1990 Dodge Grand Caravan Problems

RepairPal has identified the most common problems with the 1990 Dodge Grand Caravan as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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21
Known Problems

A problem with the sliding door track and door stops can allow the door to slide out of the track and fall off the vehicle. This is more common when doors are opened fast and allowed to hit the stops with a lot of force.

The door ajar light may illuminate and chime during driving, even when the sliding door is closed. Often, this is caused by a faulty switch in the C-pillar; a revised switch is available.

Carbon buildup on the top of the piston is common. Over time this can lead to symptoms varying from light ticking to knocking noises. Performing a fuel injector cleaning procedure can often help the condition by removing some of the piston top deposits.

The airbag warning light may remain illuminated while the ignition switch is in the "on" position. This can be caused by water that has entered into the airbag six-way connector in the engine compartment.

The rear lift gate support (prop) attaching bolts may break, causing the lift gate to fall unexpectedly. Thorough inspection of the bolts is required; if the support washers are loose, the supports need to be replaced.

A refrigerant leak at the rear AC expansion valve and/or AC evaporator seals may cause the rear AC not to work.

Timing cover oil and coolant leaks and front crankshaft oil seal leaks are common on high-mileage vehicles. Always replace the timing chain and cam sprocket at the same time.

Noise coming from the front suspension can be caused by the front sway bar; the sway bar bushings should be replaced.

An intermittent loss of speed control can happen soon after the transaxle input or output speed sensor has been replaced. The problem is most likely caused by bad connectors.

The speedometer may become inoperative due to a failed vehicle speed sensor (VSS), . A failed sensor will require replacement.

Voltage spikes can cause erratic behavior in the electrical system (lights, locks, wipers, head lamps). This is often caused by relays. Inspection and replacement  of relays is required; revised relays are available.

Sometimes the vent windows' latch can pop open; if it will not stay closed or rattles, the latch assembly should be replaced.

Triggered by a short in the rear wiper motor/circuit (which causes a fuse to blow), the airbag warning light can illuminate erroneously.

An improperly-seated connection on the starter (coming from the battery) may cause the engine not to crank. Plastic must be ground off the cable terminal so it can sit flat and flush.
Often caused by rust, the temperature control lever may be difficult to move. Spray an anti-rust penetrate on the lower pivot for the lever and apply lubricant to prevent future corrosion.