The worst 1990 GMC K30 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 2
Service brakes, hydraulic: pedals and linkages
- 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 fittings
- 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
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Questions about the 1990 GMC K30
Is the 1990 GMC K30 reliable?
Owners have filed 0 complaints about the 1990 GMC K30.
What is the most common problem with the 1990 GMC K30?
There are not enough complaints to tell.
How many recalls does the 1990 GMC K30 have?
2 recalls, covering service brakes, hydraulic and fuel system, gasoline.
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