Vehicles equipped with a 4 cylinder engine may develop a no start or stalling condition, most commonly caused by a failed distributor pickup plate.
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Most reported 1991 Dodge Shadow problems
Alternator pulley misalignment on 4 cylinder engines may result in belt noise and/or the belt "walking" partially off the pulley. Our technicians tell us that replacement of the AC and alternator mounting bracket, alternator belt, and if necessary, installation of washers to align the alternator pulley may be necessary to correct this issue.
Automatic transmissions can exhibit a variety of shifting and noise concerns due to failure of internal parts. Our technicians tell us that a complete inspection of all internal parts should be performed if the transmission is disassembled for overhaul. Numerous updated part are available for this transmission.
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.
Erratic operation of the speedometer may be noted on vehicles equipped with a passenger side motorized seat belt. This is generally caused by a failed Passive Belt Control Module (PBCM). Our technicians tell us that if the speedometer functions correctly with the PBCM disconnected the PBCM should be replaced.
Erratic operation of the heater may be caused by a leaking head gasket. Our technicians recommend a complete inspection of the cooling system and engine should be performed if this condition is present.
On vehicles equipped with manual transmissions a squeak noise may occur when shifting into or out of gear. Our technicians tell us that in most cases replacing the shifter assembly will correct this problem.
The connector on the input and/or output speed sensors on the automatic transmission may become damaged causing intermittent loss of speed control. There are wiring repair kits available to repair this issue.
Vehicles may develop a start and die out condition or a transmission that defaults to second gear. Our technicians tell us that the transmission control module (TCM) may be at fault and require replacement. If the TCM is replaced the pinion factor should be reset and the quick learn procedure performed.
The manual transmission may become locked in neutral or reverse after shifting out of reverse. Our technicians tell us there is a stronger reverse detent spring available to correct this issue.
4 cylinder engine timing belts can be affected by driving in very hot climates. Our technicians tell us that replacement should be considered before the recommended 60K interval. Replacement timing belts have been designed for greater durability. It is also recommended the belt tensioner be replaced whenever the timing belt is replaced.