← New search

1986 GMC B6P042

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →

How this year compares

Owner complaints by model year

Other model years Selected year
Compare all B6P042 years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

No component reports in this snapshot.

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 0 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

What owners actually said

0 reports

No matching complaints in this snapshot.

Official recalls

3

89V071000 · Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

May 8, 1989

A CRACK MAY DEVELOP ADJACENT TO THE FUEL TANK SEAM WELD ATTACHING THE TANK END CAP.

Consequence & remedy

Consequence: THIS COULD RESULT IN A LEAK OR DRIPPING FROM THE FUELTANK WITH POTENTIAL FIRE HAZZARD.

Remedy: INSTALL LIMITER CUSHIONS ON THE TANK SUPPORT BRACKETS OR REPLACE TANK, IF NECESSARY.

87V121000 · Service Brakes, Air:drum:chamber

Aug 3, 1987

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 & remedy

Consequence: BRACKETS CAN BREAK, RESULTING IN LOSS OF BRAKING ABILITYAT THAT FRONT WHEEL, AND POSSIBLY RESTRICTED STEERING, WHICH COULD LEAD TO AVEHICLE CRASH WITHOUT PRIOR WARNING.

Remedy: AS NECESSARY, INSTALL NEW REINFORCED FRONT BRAKE CHAMBER MOUNTING BRACKETS AND INSTALL A FRONT BRAKE LIMITING VALVE ON VEHICLES WITHOUT ONE.

86V086000 · Service Brakes, Hydraulic:fluid

Jul 7, 1986

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 VEHICLE CRASH WITHOUT PRIOR WARNING.

Consequence & remedy

Consequence: Not supplied

Remedy: AS NECESSARY, REPLACE FRONT BRAKE CHAMBER MOUNTING BRACKETS AND INSTALL A FRONT BRAKE LIMITING VALVE.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

3

EA88042 · Fuel Tank Leaks

Opened Sep 16, 1988 · Closed Jul 28, 1989

Status: closed (inferred from source dates) · Vehicle Speed Control:linkages

There is no summary currently available

PE88056 · Fuel Tank Leak

Opened May 26, 1988 · Closed Sep 16, 1988

Status: closed (inferred from source dates) · Vehicle Speed Control:linkages

There is no summary currently available

PE87021 · Mufflers Explode

Opened Feb 9, 1987 · Closed May 14, 1987

Status: closed (inferred from source dates) · Vehicle Speed Control:linkages

SUMMARY OF INFORMATION FROM MANUFACTURER:MANUFACTURER HAS NOT BEENCONTACTED.RECALL AND SERVICE BULLETIN FILES WILL BE SEARCHED.ANALYSIS:THREE SCHOOL BUS BODY COMPANIES INDICATE THAT THE SUBJECTVEHICLES ARE PRONE TO VIOLENT BACKFIRING.REPORTEDLY THE PROBLEM OCCURS ASTHE CHASSIS IS DRIVEN ON THE ASSEMBLY LINE.EXPLOSIONS ARE REPORTED ASSEVERE, WITH MUFFLERS BEING BLOWN OPEN, SPEWING SHRAPNEL, FLAMES, ANDSPARKS.REPORTEDLY ONE EMPLOYEE RECEIVED SINGED HAIR AND EYEBROWS.ASECOND EMPLOYEE SUFFERED DEAFNESS IN ONE EAR EVEN THOUGH SHE WAS WEARINGAPPROPRIATE EAR PROTECTION.THE PROBLEM MAY BE RELATED TO CHANGES IN THEFUEL AND EMISSION SYSTEMS, IMPROPER USE OF THE MANUAL CHOKE, AND NUMEROUSENGINE STARTS AND SHUTDOWNS ON THE ASSEMBLY LINE.PROPOSED ACTION:TO OPEN A PRELIMINARY EVALUATION.===