Problem Reports
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1991 Dodge Grand Caravan Problems
Speedometer Not Working Due to Failed Vehicle Speed Sensor
The speedometer may become inoperative due to a failed vehicle speed sensor (VSS), . A failed sensor will require replacement.
Door Adjar Light May Turn On and Chime Will Sound While Driving
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.
Voltage spikes can damage relays
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.
Airbag light may stay on due to water intrusion
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.
Vent Window Latch Can Pop Open
Sometimes the vent windows' latch can pop open; if it will not stay closed or rattles, the latch assembly should be replaced.
Engine Knocking Noise From Carbon Buildup
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.
Rear AC Not Cold Due to Refrigerant Leak
A refrigerant leak at the rear AC expansion valve and/or AC evaporator seals may cause the rear AC not to work.
Braking Ability May be Compromised
A defective anti-lock brake system (ABS) pump and/or leaking piston seals in the master cylinder can cause excessive pedal effort, lack of stopping power, and abnormal pump noise. Diagnoses will be required to determine the root cause of any braking issues and the component(s) that will require replacement.
Rear Lift Gate Does Not Stay Up
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.
Silding Door May Fall Off Track
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.
Airbag light may be on due to blown fuse
Triggered by a short in the rear wiper motor/circuit (which causes a fuse to blow), the airbag warning light can illuminate erroneously.
Wrong front left wheel speed sensor may damage sensor wiring
Timing cover/front crankshift oil seal leaks are common on higher mileage vehicles
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.
Loss of speed control after sensor/transaxle replacement
Engine may not crank due to connection at starter
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