GMC B6P042 Recalls & Complaints by Model Year

NHTSA lists 6 safety recalls and 0 owner complaints across 9 model years of the GMC B6P042 (1982–1990).

Pick your GMC B6P042 model year

• 1982
• 1983
• 1984
• 1985
• 1986
• 1987
• 1988
• 1989
• 1990

All GMC B6P042 recalls (6)

Every NHTSA safety campaign that lists a GMC B6P042, most recent first, with the model years each one covers.

1. Hoses, lines/piping, and fittings (fuel system)

   NHTSA 90V146000 Reported August 13, 1990 30,640 vehicles potentially affected GENERAL MOTORS CORP.

   Fuel return hoses may break at either crimped coupling, causing a leakage of fuel.

   Remedy: Install a properly crimped fuel return hose.

   Model years: 1990

2. Filler pipe and cap (fuel system)

   NHTSA 89V071000 Reported May 8, 1989 21,558 vehicles potentially affected GENERAL MOTORS CORP.

   A crack may develop adjacent to the fuel tank seam weld attaching the tank end cap.

   Remedy: Install limiter cushions on the tank support brackets or replace tank, if necessary.

   Model years: 1986, 1987, 1988, 1989

3. Hoses, lines/piping, and fittings (service brakes)

   NHTSA 88V137000 Reported August 16, 1988 1,503 vehicles potentially affected GENERAL MOTORS CORP.

   Melting of the air brake lines can occur where the air lines route under the left hand frame rail near the exhaust pipe.

   Remedy: Reroute air line harness away from the exhaust system; replace harness if heat deterioration has occured.

   Model years: 1987, 1988

4. Chamber (service brakes)

   NHTSA 87V121000 Reported August 3, 1987 7,870 vehicles potentially affected GENERAL MOTORS CORP.

   Severe brake chatter may cause the brake chamber mounting brackets on either side to develop cracks in the weld area where the s cam shaft tube attaches to the chamber support section.

   Remedy: As necessary, install new reinforced front brake chamber mounting brackets and install a front brake limiting valve on vehicles without one.

   Model years: 1983, 1984, 1985, 1986, 1987

5. Fluid (service brakes)

   NHTSA 86V086000 Reported July 7, 1986 4,299 vehicles potentially affected GENERAL MOTORS CORP.

   Severe brake chatter may cause the brake chamber mounting brackets on either side to develop cracks in the weld area where the s-cam shaft tube attaches to the chamber support section. Consequence of defect: brackets can break, resulting in loss of braking ability at the front wheel, and possibly restrict steering, which could lead to a…

   Remedy: As necessary, replace front brake chamber mounting brackets and install a front brake limiting valve.

   Model years: 1983, 1984, 1985, 1986

6. Hydraulic (service brakes)

   NHTSA 84V134000 Reported October 16, 1984 1,436 vehicles potentially affected GENERAL MOTORS CORP.

   Vehicles have a primary and a reserve braking system. If the primary brake system booster fails, under some circumstances the reserve system may also malfunction and braking ability will be impaired.

   Remedy: Dealer will install a new reserve brake control module at no cost to owner.

   Model years: 1982, 1983, 1984

Other GMC models

• Sierra 15008,930 complaints
• Acadia5,569 complaints
• Yukon4,989 complaints
• Sierra3,937 complaints
• Terrain3,124 complaints
• Jimmy2,720 complaints
• Envoy2,459 complaints
• Yukon XL2,417 complaints

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.