1990 GMC C15 Problems: 2 Complaints, 2 Recalls

The worst 1990 GMC C15 problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Brakes
1
Electrical
1

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

Brakes
1
Electrical
1

Recalls 2

Service brakes, hydraulic: pedals and linkagesReported June 4, 1990 · 1,962 vehicles affected

What is wrong: Loose pivot bolt holding the brake pedal to its support bracket could disengage from the nut.
Risk: This could cause loss of braking activity that couldresult in a truck crash without prior warning.
Remedy: Retorque brake pedal pivot bolts to specifications to prevent loosening.

Recall number 90V108000 · Recall details

Fuel system, gasoline: delivery: hoses, lines/piping, and fittingsReported January 29, 1990 · 68 vehicles affected

What is wrong: On c and k models, feed and or return fuel lines can contact the automatic transmission shift linkage cordon shaft. In addition, on k models lines may also contact front propshaft. In either case the fuel lines could be damaged resulting in a fuel leak.
Risk: A hole could be rubbed through these fuel lines, allowing fuel leakage near exhaust crossover pipe; this could result in an engine compartment fire that could spread to the passenger compartment.
Remedy: Install newly designed fuel line routing bracket to prevent contact and, if necessary, replace fuel lines.

Recall number 90V015000 · Recall details

See all 2 recalls for the 1990 GMC C15

Defect investigations

Engine compartment firesOpened July 29, 1994, closed July 31, 1996

An alleged malfunction in the atlernator resulting in engine compartmet fires.

EA94029

What 1990 GMC C15 owners say

Most recent owner complaints, unedited.

Filed Jun 11, 1996 · Electrical · IL · fire

The alternator failed while driving and caused a fire. *ak

Filed May 10, 1995 · Brakes · NV

Three time during emergency brake stop, brake failed, possible booster failure. Tt

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Other model years

19901991 1992 1993 1994 1995 1996

Questions about the 1990 GMC C15

Is the 1990 GMC C15 reliable?

Owners have filed 2 complaints about the 1990 GMC C15, fewer than a typical C15 model year.

What is the most common problem with the 1990 GMC C15?

Brakes, with 1 complaint. Next is electrical (1).

How many recalls does the 1990 GMC C15 have?

2 recalls, covering service brakes, hydraulic and fuel system, gasoline.

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1990 GMC C15 problems