MI16-32
Service Bulletin/Repair Instructions
Improved bearings are now available to replace the original bearings used on some Prevost vehicles idler pulleys.
Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
MI16-32
Improved bearings are now available to replace the original bearings used on some Prevost vehicles idler pulleys.
IS-21072B
STEERING GATEWAY. Revision B - PIN 2 and 10 were inverted on connector A139
MI22-12B
Air Tanks Draining Sequence. Revision: B - General Update
MI22-12A
Air Tanks Draining Sequence. Revision: A - Erroneous Secondary & Accessory tanks location.
MI22-12
Air Tanks Draining Sequence
IS-17151C
Halogen to LED fog light replacement kit. Revision: C - Advanced kits canceled
IS-22902
TAG AXLE HUB FLANGE - ALTERNATE CAP SCREW
IS21-072
STEERING GATEWAY, revision A : Cancel watch dog removal from EFD part of the instruction
MI20-08C
STORAGE AND STARTUP GUIDELINES : part number updates
IS21-072A
STEERING GATEWAY Revision A Cancel watch dog removal from EFD part of the instruction
IS21-901
X3 SERIES ENVIROCARE - IONS AIR SANITIZER
IS20-925A
CENTRAL HVAC MERV FILTERS INSTALLATION
IS22-040
BRAKE PEDAL SEAL PLATE INSTALLATION KIT
MI18-16B
BOSCH HD10 ALTERNATOR DIAGNOSTIC GUIDE Revision B To avoid replacement of alternators that are in fact in good working order, perform the steps which follow to help you perform a more precise diagnosis.
MI21-06
Diesel Exhaust Fluid ( DEF ) Contamination In Fuel System, Inspection And Repair â From US10 to newer engine generation
Mi21-07A
RONT & TAG AXLE â UNITIZED HUB BEARING END PLAY VERIFICATION AND REPLACEMENT
IS-18042
EBERSPACHER PREHEATER INSTALLATION In replacement of Spheros & Valeo preheaters
IS-20925A
CENTRAL HVAC MERV FILTERS INSTALLATION REVA
SP21-300
AUTOMATIC FIRE SUPPRESSION SYSTEM - TAMPER SEAL REPLACEMENT
IS-18091A
TIE ROD 610052 FIRST INSTALLATION INSTRUCTIONS: Use these instructions when replacing the drop joint tie rod on S82, S84 / S84U I-beam axles. The new tie rod will be adjusted to the length of the original; however, a steering alignment needs to be performed after replacement.
MI20-19B
INTRODUCING A NEW ENGINE COOLANT INTO PREVOST SERVICE CENTER NETWORK
MI20-19A
Rev A: Mention added concerning DDC Series 60 engine SCA requirement
MI21-01
VOLVO I-SHIFT TRANSMISSION REPLACEMENT - DIFFERENCE BETWEEN CONNECTIONS AT THE TOP OF THE OIL FILTER HOUSING
MI20-19
INTRODUCING A NEW ENGINE COOLANT INTO SERVICE
IS-20922
SIGMA PASSENGER SEATS PARTITION KIT
MI20-08B
STORAGE AND STARTUP GUIDELINES Revision: B Parts added to Suggested Material 08-10-2020
MI20-12
JERKY, NOISY OR HARD TO TURN STEERING GEARBOX. HYDRAULIC END LIMITER ADJUSTMENT. All models â equipped with RB Bosch/ZF Servocom or Servocomtronic steering gearbox
MI18-18B
GENERAL HOISTING AND TOWING PROCEDURES Revision: B Updated 2.1 to show rubber chocks, secure front and rear.
MI20-08A
STORAGE AND STARTUP GUIDELINES: Rev A: 21516229 replaced by 23381562 20523393 replaced by 21454749 800383 removed 611471 replaced by 611360 70376808 replaced by 21036050 21396642 replaced by 20967831
MI20-09
PREVOST VEHICLE DISINFECTION PROCEDURE
MI20-08
STORAGE AND STARTUP GUIDELINES - ALL PREVOST VEHICLES & VOLVO 9700
IS-19901A
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH BOSCH ALTERNATOR - X3 SERIES US10 UP TO GHG17 COOLING SYSTEM - Mention added stating to disable âPrimeâ; Parts added in the kit
IS-19912A
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH DELCO REMY ALTERNATOR - Mention added stating to disable âPrimeâ; Parts added in the kit.
MI15-24
Added: Power cables for L.H. side alternator & fan drive breaker box
FUELFILTER
Repair instructions to address fault codes P008A-00; P0087-00
NOX_Conv1
Repair instructions to address fault codes P207F-00 - Reductant Quality
NOx_Conv2
Repair instructions to address fault codes P207F-00; P20EE-00
IS-19066
This instruction sheet describes how to cut the air dryer bracket, to avoid dirt accumulation, and applies to vehicles with the air dryer located into the wheel pit .
IS-19040A
THIS INSTRUCTION SHEET EXPLAINS HOW TO REPLACE POWER STEERING PUMP DISCHARGE HOSE (PRESSURE) - #161335P OR #160039
IS-19901
This Instruction sheet explains how to install the Electric Cooling System with Bosch Alternators on X3 series vehicles equipped with US10 up to GHG17 engines
IS-17151
THIS INSTRUCTION SHEET EXPLAINS HOW TO REPLACE HALOGEN FOG LIGHT TO LED'S
SCI19-01C
The intent of this procedure is to guide you through the steps required to program a MCM especially for the control of the electric fan drive as required for conversion kit of instruction sheets IS-19900, IS-19901, IS19910, IS-19912.
SP19-301
On the vehicles affected by this bulletin, the compressor & radiator door lower hinges must be replaced by new stainless steel units
IS-18091
This Instruction Sheet explains how to perform the first installation of Tie Rod 610052 on Prevost vehicles equipped with Dana S82, S84 / S84U I-beam axles, 1994- today
IS-19915
MP-1000 MULTIMEDIA PLAYER INSTALLATION
IS-19922
PREVOST AWARE ADAPTIVE CRUISE BRAKING (ACB) FLR10 TO FLR21 RADAR SENSOR UPGRADE
IS-17071A
This instruction sheet explains how to install an ELD interface on OBD vehicles
IS-18910
This instruction sheet explains how to install a flap over the diesel filling cap
MI19-05
This Maintenance Information expains how to adjust p/n 660865, 660699 draglinks
MI19-06
This Maintenance Information is published to answer some questions regarding the inverted or ?trailing? mounting position of the drive axle brake calipers on Prevost vehicles
IS-19909
This instruction sheet explains how to perform alternator conversion, from Bosch to Delco Remy, on X3 vehicles
SCI18-46
This Service Center Instructions explains how to install the Prevost Ultimate Entertainment System
Wb17-14B
On the vehicles affected by this bulletin, the power cable stud adapter on the alternator must be inspected and if needed, replaced.
IS-18907
This instruction sheet explains how to install hatches with fan on X3 vehicles.
SP18-307
On the vehicles affected by this bulletin, the Bitzer compressor shaft seal must be replaced. Additionally, the compressor oil must be renewed and the oil quantity increased by 10oz (300ml).
Sp18-302
On the vehicles affected by this bulletin, install a pressure switch into the front service compartment to send a faster signal to the Allison transmission to switch to neutral at stop.
SP18-306
On the vehicles affected by this bulletin, update EMS and ACM software to the latest version available.
WB18-04
On the vehicles affected by this bulletin, update EMS and ACM software to the latest version available.
SP18-305A
On the vehicles affected by this bulletin, apply thread locker on the double door latch pins internal threads
MI18-21A
This Maintenance Information presents information about the Bitzer A/C compressor oil change interval and reminds technicians to clean the oil filter/strainer and the magnetic drain plug.
WB16-02H
On the vehicles affected by this bulletin, it is necessary to perform a Multiplex software update plus other corrective measures to improve the charging system.
IS-15003E
This insruction Sheet explains how to insall the Bosch HD10 24v-150a Alternator Conversion Kit ? Twin Bosch Mounted On Volvo D13 Engine
MI16-17G
This Maintenance Information explains how to remove and install the Bosch HD10 (120A or 150A) alternators
MI18-18A
This maintenance information explains how to tow and hoist Prevost vehicles.
MI18-37
This Maintenance Information presents information about the removal or installation of the Lang KK73.1 electromagnetic clutch - part of the Bitzer (model 4NFCY) air conditioning compressor.
Sp18-301
On the vehicles affected by this bulletin, the existing surge tank support has to be replaced by a new configuration including two supports. That will allow a better distribution of the load between the tank and the support.
Sp18-303
On the vehicles affected by this bulletin, the condenser compartment wall may present fatigue cracks on or near the A/C receiver tank support. Follow these instructions to repair and improve the support.
Sp18-304A
For vehicles affected by this bulletin, on the wheelchair area sliding door, install a new upper roller carrier, adjust the door and inspect all fasteners.
MI18-18
This maintenance information explains how to tow and hoist Prevost vehicles.
MI18-16A
This Maintenance Information presents guidelines to help with the diagnosis of the Bosch HD10 alternators
SP17-314-R13
This bulletin explains how to install a light at the entrance door.
MI18-21
This Maintenance Information presents information about the Bitzer A/C compressor oil change interval and reminds technicians to clean the oil filter/strainer and the magnetic drain plug.
MI18-05
This maintenance information explains how to install valve assembly 130009 in replacement of valve 641274
MI18-02
This Mainteannce Informaiton presents the latest engine oil & filter change intervals for the Volvo Engine
SP17-314
This bulletin explains how to install a light at the entrance door.
MI16-17F
This Maintenance Information explains how to remove and install the Bosch HD10 (120A or 150A) alternators
WB15-19H
This bulletin explains how to add a reinforcement bracket to Bitzer A/C compressor to increase the installation stiffness and reduce vibration amplitude.
WB18-15
On the vehicles affected by this bulletin, the instrument cluster software must be updated. This mandatory cluster software update will raise the primary and secondary air system ?low pressure warning? set point.
IS-17905
This instruction sheet explains how to install an ELD interface kit on Pre-OBD Prevost Vehicles equipped with Volvo D13 Engines
IS-13009B
This instruction sheet explains how to install and adjust drag link # 660699
IS-17016
This instruciton sheet explains how to relocate the RV-3 Valve
Sp18-300
This bulletin explains how to replace ceiling transition pannels, when needed
MI17-22
This Maintenance Information explains how to inspect the Fuel Tank Cradle Mounting Screws on a yearly basis
IS-17071
This instruction sheet explains how to install an ELD interface on OBD vehicles
IS-17907
This instruction sheet explains how to install the Volvo Electronic Logging Device (ELD)
SP17-313
On the vehicles affected by this bulletin, replace the batteries by a new set (4) of the same model; perform several verifications on the alternator and charging circuit. Finally, update the multiplex software to the latest version and disable Alternator Management on select vehicles.
CK17-30
On the vehicles affected by this bulletin, it is now possible to replace the older generation TGW 2.0 (3G network) by the newer 2.1 version (4G the network) using accessory kit 23266301 and the following procedure.
CK17-27
This conversion kit explains how to to disable the ACB radar.
Sp17-312A
On the vehicles affected by this bulletin, bus washing operations can result in water dripping into the front service compartment. Add a drip guard above the entrance door valve.
Sp17-313
On the vehicles affected by this bulletin, replace the batteries by a new set (4) of the same model; perform several verifications on the alternator and charging circuit. Finally, update the multiplex software to the latest version.
CK17-19A
This conversion kit explains how to remove TGW1 from vehicles using Tech Tool, no manual VDA changes needed. This conversion kit will work for any vehicle equipped with TGW1 up to the VIN's listed on the bulletin.
SP16-311G
On the vehicles affected by this bulletin, add Z clips to secure the direct light lenses, 13 lenses per vehicle.
Wb17-14A
On the vehicles affected by this bulletin, the power cable stud adapter on the alternator must be inspected and if needed, replaced.
Sp17-312
On the vehicles affected by this bulletin, bus washing operations can result in water dripping into the front service compartment. Add a drip guard above the entrance door valve.
sp17-310
On the vehicles affected by this bulletin, it is necessary to replace the two engine door latch pins and the compressor door latch pin by new units made of sturdier material.
IS-15003D
This insruction Sheet explains how to insall the Bosch HD10 24v-150a Alternator Conversion Kit ? Twin Bosch Mounted On Volvo D13 Engine
Sp17-311
On the vehicles affected by this bulletin, replace connector C12 installed inside the DPF access door with an improved version providing a better seal.
SP17-307
This bulletin explains how to replace the Radiator Door Upper Hinge
SP17-303D
On the vehicles affected by this bulletin, replace two idlers by an improved version on the alternator drive belt and on the A/C belts.
IS-16048
This instruction sheet explains how to install a WCL Manual lock
IS-15003C
This instruction sheet explains how to use the Bosch HD10 24V-150A Alternator Conversion Kit
WB16-02E
On the vehicles affected by this bulletin, it is necessary to perform a Multiplex software update plus other corrective measures to improve the charging system.
Sp16-320
On the vehicles affected by this bulletin, the compressor door support to the vehicle must be improved by the addition of a lower support bracket and the replacement of the two door hinges. A support plate must also be riveted to the door frame between the hinges to add structural rigidity and prevent stress cracks to the door assembly.
Sp16-326B
On the vehicles affected by this bulletin, re-torque the clamps on specific coolant hoses of the cooling system.
MI16-17E
This Maintenance Information explains how to remove and install the Bosch HD10 (120A or 150A) alternator.
MI16-17D
Use this procedure for the removal and installation of the twin Bosch HD10 (120A or 150A) Alternators.
WB16-02C
On the vehicles affected by this bulletin, it is necessary to perform a Multiplex software update plus other corrective measures to improve the charging system. The corrective measures of this bulletin are very important and must all be carried out on the involved vehicles.
MI16-10A
This maintenance information applies only to vehicles equipped with 19000 lb Independent Front Suspension (IFS) and 22.5 x 10.5 Alcoa aluminum wheels for 365/70 R 22.5 size tires. When balancing this wheel for installation on the IFS, a specific type and size of clamp-on wheel weight should be used to provide the appropriate clearance with components of the suspension.
SP16-326
On the vehicles affected by this bulletin, re-torque the clamps on specific coolant hoses of the cooling system.
SP16-43A
On the vehicles affected by this bulletin, coolant may leak by the coolant level sensor wires on the surge tank. Replace the sensor with an improved version.
IS-15003B
This instruction sheet explains how to use the Bosch HD10 24V-150A Alternator Conversion Kit
SP16-311B
On the vehicles affected by this bulletin, add two clips to secure the direct light lenses, 13 lenses per vehicle.
Sp16-323
On the vehicles affected by this bulletin, change a parameter in the MUX system to deactivate a DTC corresponding to air dryer cartridge change warning.
MI16-15B
The Beru sensors used on Prevost vehicles to monitor tire pressure (TPMS system) are being replaced by new Huf sensors and their corresponding stainless valves stems. Since the older and newer sensors are using different valve stems, replacement of a defective sensor on older vehicles will require the use of a new kit number (valve stem and sensor assembly). The table below provides a quick overview between the older and newer part numbers depending on wheel application.
WB16-02B
On the vehicles affected by this bulletin, it is necessary to perform a Multiplex software update plus other corrective measures to improve the charging system.
Sp16-300C
On the vehicles affected by this bulletin, improvement of a Charge Air Cooler tube support is required.
Sp16-303C
On the vehicles affected by this bulletin, reposition the harness out of the path of an unlocked electrical box door.
Sp16-309A
On the vehicles affected by this bulletin, secure the mounting of the curb side engine door electrical fan.
IS-16902
This instruction sheet explains how to install and adjust Brake Pedal kit IS16902
Sp16-317
On the vehicles affected by this bulletin, it is necessary to ensure proper brake pedal installation and adjustment following the procedure below.
Wb16-29
On the vehicles affected by this bulletin, update EMS and ACM software to the latest version available. This update must be carried out by qualified technicians. As soon as possible, make an appointment with your nearest Prevost Service Center or contact your service manager to carry out the update.
MI16-14
Use this procedure when a suspension height check or adjustment must be performed.
Mi16-28
This Maintenance information explains that on vehicles equipped with Ramco rear-view mirrors in winter conditions, ice may accumulate in the gap between the glass bottom edge and shell. The ice may impede mirror adjustment. Installing a drip edge will prevent ice accumulation permanently by diverting water outwards. The proposed drip edge may only be installed on mirrors having a flat glass in the lower section of the mirror.
WB16-02
On the vehicles affected by this bulletin, it is necessary to perform a Multiplex software update plus other corrective measures to improve the charging system.
SP16-306A
On the vehicles affected by this bulletin, replace an access panel aft of the tag axle wheel, road side.
Sp16-302A
On the vehicles affected by this bulletin, replace the pressure cap on the surge tank.
Sp16-313A
On the vehicles affected by this bulletin, coolant may leak by the coolant level sensor wires on the surge tank. Replace the sensor with an improved version.
Sp16-311A
On the vehicles affected by this bulletin, add two clips to secure the direct light lenses, 13 lenses per vehicle.
IS-14220B CO-06
This Instruction sheet explains how to install FUEL PRO FILTER
Sp16-303B
On the vehicles affected by this bulletin, reposition the harness out of the path of an unlocked electrical box door.
MI16-23
This Maintenance Information explains that decals are available to update the front junction box on 2013 to 2016 Prevost vehicles; the decals will provide updated information and component descriptions. Refer to the identification part of this bulletin to locate the decal part number currently used on specific vehicles.
SP16-306
On the vehicles affected by this bulletin, replace an access panel aft of the tag axle wheel, road side.
MI16-10
This information letter applies only to vehicles equipped with 19000 lb Independent Front Suspension (IFS) and 22.5 x 10.5 Alcoa aluminum wheels for 365/70 R 22.5 size tires. When balancing this wheel for installation on the IFS, a specific type and size of clamp-on wheel weight should be used to provide the appropriate clearance with components of the suspension.
MI16-15A
The Beru sensors used on Prevost vehicles to monitor tire pressure (TPMS system) are being replaced by new Huf sensors and their corresponding stainless valves stems. Since the older and newer sensors are using different valve stems, replacement of a defective sensor on older vehicles will require the use of a new kit number (valve stem and sensor assembly). The table below provides a quick overview between the older and newer part numbers depending on wheel application.
Sp16-309
On the vehicles affected by this bulletin, secure the mounting of the curb side engine door electrical fan.
SP16-300B
On the vehicles affected by this bulletin, improvement of a Charge Air Cooler tube support is required.
Wb15-19F
On the vehicles affected by this bulletin, vibration is causing damage to A/C compressor and compressor harness connectors. Addition of a reinforcement bracket to Bitzer A/C compressor is needed to increase the installation stiffness and reduce vibration amplitude.
Mi16-15
The Beru sensors used on Prevost vehicles to monitor tire pressure (TPMS system) are being replaced by new Huf sensors and their corresponding stainless valves stems. Since the older and newer sensors are using different valve stems, replacement of a defective sensor on older vehicles will require the use of a new kit number (valve stem and sensor assembly). The table below provides a quick overview between the older and newer part numbers depending on wheel application.
SP16-304
On the vehicles affected by this bulletin, replace the battery connection decal by a new version.
IS-14154
This Instruction sheet explains how to modify the Support beam (Part # 30022 Installation)- as part of the X3 Fuel Tank installation
MI16-12
This Maintenance Information explains how to perform the replacement of glued fixed thermos window. This procedure may also be used for the replacement of non-thermos fixed window as the installation method is similar.
MI16-16
This procedure explains how to perform a STARTER REMOVAL AND INSTALLATION, and does apply to Melco 105P70 starter part number #21212425.
SP16-303
On the vehicles affected by this bulletin, reposition the harness out of the path of an unlocked electrical box door.
SP15-304E
On the vehicles affected by this bulletin, the Bosch HD10 alternators need to be replaced with new Bosch HD10PLBH 150 Amps alternators.
WB15-55
On the vehicles affected by this bulletin, inspect the gap between the radius rod support and the front axle. A deviation in the axle beam envelope can lead to interference between the two parts. In most cases, slightly moving the support will resolve the issue. In certain cases, replacing a set screw will be required. Exceptionally, the axle may need to be replaced.
SP16-302
On the vehicles affected by this bulletin, replace the pressure cap on the surge tank.
WB16-04
On the vehicles affected by this bulletin the steering damping cylinder rod end spherical bearing may be loose in its housing. Replace as required and secure the steering damper spherical bearing with the provided hardware.
MI16-05
This Maintenance Information shares information about the Bendix M-32QR valve replaced by M-40QR model htat need to be taken into consideration, specially when switching them for the first time on a vehicle.
SP15-341C
On the vehicles affected by this bulletin, replace the horn support by 140034.
WB15-19E
On the vehicles affected by this bulletin, vibration is causing damage to A/C compressor and compressor harness connectors. Addition of a reinforcement bracket to Bitzer A/C compressor is needed to increase the installation stiffness and reduce vibration amplitude.
SP15-324E
On the vehicles affected by this bulletin, vibration is causing damage to A/C compressor and compressor harness connectors. Addition of a reinforcement bracket to Bitzer A/C compressor is needed to increase the installation stiffness and reduce vibration amplitude.
IS-15907A
This Instruction Sheet explains how to assemble the BENDIX FLR10 AND FLR20 RADAR SENSOR ALIGNMENT TOOL
MI15-41
This Maintenance Information reminds Prevost customers that cleaning products designed for external washing of vehicles should be used for exterior vehicle wash and in particular, for the washing of polycarbonate taillights.
MI15-43
New aramid cord poly-v belts are now available to replace the polyester cord alternator belts previously used on Prevost vehicles equipped with Bosch HD10 alternators.
MI15-40A
This Maintenance Information offers an overview of the operation of Commuter bi-part doors.
MI15-18
This Maintenance Information does explain how five year old vehicles and older should be subjected to a thorough structural inspection.
IS-15003A
This instruction sheet explains how to use the Bosch HD10 24V-150A Altenrator Conversion Kit
IS-13169A
This Instruction Sheet explains how to install the AWARE ADAPTIVE CRUISE BRAKING (ACB) FLR20 RADAR SENSOR REPLACEMENT kits # 145372 and 145373
MI15-02
This Maintenance Information presents an improved differential breather kit, identical to the one now used in production. This new breather incorporates a "J" shaped hose that prevents oil leakage and water ingestion while allowing the axle to vent.
SP14-323
On the vehicles affected by this bulletin, replace the brake pedal assembly.
SP14-324B
On the vehicles affected by this bulletin, replace the front bumper retaining spring.
SP14-330
On the vehicles affected by this bulletin, replace the IMRON painted marker light guards with powder coated marker lights.
SP14-331A
On the vehicles affected by this bulletin, replace the various bus bars and place one insulation sheet beside the breaker plate
SP14-332
On the vehicles affected by this bulletin, inspect the transmission oil cooler to make sure it is properly secured. In certain material conditions, the bolts may extend beyond the threaded length of the mounting holes in the cooler creating a condition where the support is not tight on the cooler frame. Change the mounting bolts if required.
SP14-334
On the vehicles affected by this bulletin, install a lanyard on each of the two overhead access panels in the front section of the bus interior.
SP14-335
On the vehicles affected by this bulletin, add a support on the curbside of the drive axle.
SP14-326
On the vehicles affected by this bulletin, the compressor belt may not be tensioned properly since the reduction of the diameter of the pulley on the commuters.
WB14-47B
On the vehicles affected by this bulletin, perform a software update of ECM (Engine Control Module) and ACM (Aftertreatment Control Module) to provide improved temperature-related behaviour. The software will also change urea dosing valve behavior at shutdown and key-on. As an additional improvement, replace the urea dosing valve by an improved design. These hardware and software improvements aim to reduce the occurrence of clogging and shorting of the Urea Dosing Valve.
IS-13169
This Instruction Sheet explains how to install the AWARE ADAPTIVE CRUISE BRAKING (ACB) FLR20 RADAR SENSOR REPLACEMENT kits # 145372 and 145373
SP14-46
This bulletin is performed on a fix as fail basis. On the vehicles affected by this bulletin, update to the latest configuration of wiring and sensors for the Bitzer compressor.
WB14-44B
On the vehicles affected by this bulletin, changing of VECU (Vehicle Electronic Control Unit) parameters is necessary. This update must be carried out by qualified technicians. Make an appointment with your nearest Prevost Service Center. ELECTRIC AIR DRYER CUT-OFF PRESSURE & DESICCANT REGENERATION FACTOR This update involves all OBD13 & GHG14 vehicles in service (refer to Application table for involved vehicles range). This update will reduce air dryer cut-off pressure from 144 psi to 140 psi and extend desiccant regeneration time, thus preventing presence of water in the accessory tank.
WB14-42A
On the vehicles affected by this bulletin, perform a power source improvement and a multiplex software update for the steering Gateway module. On a limited number of vehicles, the module will be replaced with the latest version of the part.
MI1434C
This Maintenance Information presents how to align the PREVOST AWARE ADAPTIVE CRUISE BRAKING (ACB)FLR20 RADAR SENSOR.
WB14-06G
On the vehicles affected by this bulletin, perform the following verifications and modifications on the A/C system: Bulletin is divided in five steps, refer to detailed instructions below. STEP 1: Unloader replacement (Step moved to Warranty Bulletin WB15-19) STEP 2: System vacuum, wiring update, remote pressure transducer and switch installation. STEP 3: Seal the evaporator compartment ventilation discharge duct. STEP 4: Check Evaporator expansion valve bulb position and MUX software version. STEP 5: Dynamic A/C system test to confirm all functions operate correctly.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.