2001 GMC B7 Recall
- Campaign:
- 00V232008 on 09/25/2000
- Component:
- Service brakes, air:antilock
- Manufactured:
- 05/31/2000 - 08/30/2000
- Affected:
- 30,000
- Defect:
- Vehicle description: school buses, medium duty trucks and tractors built with bendix air abs with an ec-17 1030r electronic control unit (ecu), there have been reports of unwanted abs activation at low speeds caused by 1) chafed abs wheel speed sensor wires on rotating parts or 2) a damaged component at the wheel end that generates a certain type of erratic sensor signal.
- Consequence:
- This condition could cause the abs ecu to exhaust the air at the air brake modulators for one or more of the wheels. this could result in extended braking distances and a possible crash.
- Correction:
- Dealers will replace the abs ecu.
- Notes:
- Owner notification began december 14, 2000 for the b7 series school buses and on march 15, 2001, for the medium duty trucks and tractors. owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact chevrolet at 1-800-222-1022 or gmc at 1-800-462-8782. also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
2001 GMC B7 TSBs (27)
- Bulletin:
- 121000
- Component:
- 071100 fuel system, gasoline:storage:tank assembly
- Summary:
- Information on fuel tank shields. *tt
- Bulletin:
- 010601018
- Component:
- 061100 engine and engine cooling:engine:gasoline
- Summary:
- Some owners may comment on a ticking noise in theupper end of the engine. the noise is constant and does not vary with engine rpm. a loss of power may be noticed. *tt
- Bulletin:
- 010601019
- Component:
- 061100 engine and engine cooling:engine:gasoline
- Summary:
- Some customers may comment on excessive engine vibration at idle on various 1998 - 2001 medium duty models including chevrolet and gmc f models. *tt
- Bulletin:
- 020604005
- Component:
- 061100 engine and engine cooling:engine:gasoline
- Summary:
- Subject regarding revised diagnostic trouble code p1221 service manual information. *tt
- Bulletin:
- 020601015
- Component:
- 980000 unknown or other
- Summary:
- Subject regarding low oil pressure and new oil level indicator. nlm
- Bulletin:
- 020604026
- Component:
- 061100 engine and engine cooling:engine:gasoline
- Summary:
- This bulletin is being issued to assist technicians in efficiently diagnosing and correcting backfire and other related driveability concerns. *tt
- Bulletin:
- 020601035
- Component:
- 061000 engine and engine cooling:engine
- Summary:
- High oil consumption. *tt
- Bulletin:
- 020604026A
- Component:
- 061000 engine and engine cooling:engine
- Summary:
- Engine backfire and related driveability issues. *tt
- Bulletin:
- 020522005
- Component:
- 030000 service brakes, hydraulic
- Summary:
- Release of new rear brake pipe shields. *tt
- Bulletin:
- 030232044
- Component:
- 010000 steering
- Summary:
- Effect of steering box limiter adjustment on turning radius and possibility of power steering system damage due to improper adjustment. various 1990-2004 models. *tt
- Bulletin:
- 07012004
- Component:
- 355200 equipment:other:owners/service/other manual
- Summary:
- Oil life system reset procedures-trucks. buick terazza 2005, gmc sierra denali 2002-2003, gmc b7 chassis medium duty 2003-2005 and gmc 560 c-series 2003-2005 *sc
- Bulletin:
- 050527001
- Component:
- 040000 service brakes, air
- Summary:
- Information on air brake park brake chamber vent holes to avoid water intrusion. *tt
- Bulletin:
- PIP-4695
- Component:
- 061000 engine and engine cooling:engine
- Summary:
- Gm: loss of power hesitates on acceleration. 4.3, 4.8, 5.3, 5.7 and 6.0 engines coupled with the 4l60e or 4l65e may experience a condition of hesitates, misses or loss of power under acceleration. the vehicle may operate as if it is in r
- Bulletin:
- SB-06-02-32-013B
- Component:
- 015100 steering:hydraulic power assist:pump
- Summary:
- Saab/hummer/gm: diagnostic tips/recommendations when power steering pump replacement is necessary. analysis of returned power steering (ps) pumps that had been replaced for noise, no power assist, no or low pressure and leaking conditio
- Bulletin:
- SB-10-08-50-003B
- Component:
- 221300 seats:front assembly:head restraint
- Summary:
- General motors: information provided by bulletin for all 2012 and prior general motor trucks and passenger vehicles regarding the adjustable comfort and custom upholstery of the driver and the passenger head restraint. *pe
- Bulletin:
- PIC-5050-A
- Component:
- 110000 electrical system
- Summary:
- This preliminary information communication advises the technician the steps on repairing the concern. a customer may identify a concern of unable to reactivate a vehicle's onstar that has been previously disabled by onstar. dealer is to ca
- Bulletin:
- PIC-4935-E
- Component:
- 110000 electrical system
- Summary:
- This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. when performing battery parasitic drain test, there may be some confusion as to what th
- Bulletin:
- 16NA260
- Component:
- 353400 equipment:electrical:radio/tape deck/cd etc.
- Summary:
- This technical bulletin provides a procedure to reprogram the media disc player with the latest calibrations to correct a condition of the rear entertainment system not operating as intended in colder ambient temperature areas due to calibr
- Bulletin:
- 000601012F
- Component:
- 060000 engine (pws)
- Summary:
- This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
- Bulletin:
- PI1394A
- Component:
- 060000 engine (pws)
- Summary:
- This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
- Bulletin:
- PIC4935E
- Component:
- 110000 electrical system
- Summary:
- This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. when performing battery parasitic drain test, there may be some confusion as to what th
- Bulletin:
- PIC5050A
- Component:
- 353000 equipment:electrical
- Summary:
- This preliminary information communication advises the technician the steps on repairing the concern. a customer may identify a concern of unable to reactivate a vehicle's onstar that has been previously disabled by onstar. dealer is to ca
- Bulletin:
- PIT5389A
- Component:
- 353500 equipment:electrical:navigational system(global positioning system)
- Summary:
- This preliminary information communication advises the technician on the steps for diagnosing the concern. the vehicle may be unable to connect to onstar using the white, blue or red onstar buttons.
- Bulletin:
- PIT5485B
- Component:
- 110000 electrical system
- Summary:
- This preliminary information communication advises the technician if unable to place an onstar call in the ignition on mode after the onstar canada upgrade, to contact the gm technical assistance center onstar group for further assistance.
- Bulletin:
- PIT5485A
- Component:
- 110000 electrical system
- Summary:
- This preliminary information communication advises the technician, if unable to place an onstar call in the ignition on mode after the onstar canada upgrade to contact the gm technical assistance center onstar group for further assistance.
- Bulletin:
- PIT3173C
- Component:
- 060000 engine and engine cooling
- Summary:
- This preliminary information communication provides information to the technician that fluid contamination may be directed to one of the following testing centers according to the type of fluid needing testing. dealer should send the correc
- Bulletin:
- PI1394
- Component:
- 060000 engine and engine cooling
- Summary:
- This preliminary informational bulletin provides technicians an engine repair tip for installation of pistons.
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