The worst 1990 Chevrolet K20 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 4
Service brakes, hydraulic: foundation components: disc: rotor
- What is wrong
- Severe corrosion due to road salt at the joint of the stamped steel center section and the cast outer section can cause the sections to separate.
- Risk
- Separation of the rotor sections can cause loss ofbraking ability in the affected wheel. This could result in increased stoppingdistance and/or loss of vehicle control and an accident.
- Remedy
- Replace the front brake rotors with new rotors with a corrosion protection coating. However, if replacement of brake linings are necessary, it will be done at owner's expense since brake linings are normal maintenance items.
Recall number 93V119000 · Recall details
Power train: automatic transmission
- What is wrong
- Unanticipated heat in the transmission can force the transmission fluid out of the vent tube.
- Risk
- The vented transmission fluid can catch fire if exposedto a source of ignition.
- Remedy
- Install a longer transmission vent hose routed to the left side of the engine compartment of the vehicle.
Recall number 93V016000 · Recall details
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
See all 4 recalls for the 1990 Chevrolet K20
Defect investigations
Engine compartment fires
An alleged malfunction in the atlernator resulting in engine compartmet fires.
EA94029
Fuel system integrity
There is no summary currently available
EA92041
Compare the 1990 Chevrolet K20
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Questions about the 1990 Chevrolet K20
Is the 1990 Chevrolet K20 reliable?
Owners have filed 0 complaints about the 1990 Chevrolet K20.
What is the most common problem with the 1990 Chevrolet K20?
There are not enough complaints to tell.
How many recalls does the 1990 Chevrolet K20 have?
4 recalls, covering service brakes, hydraulic, power train and fuel system, gasoline.
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