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A faulty fuel pump in a 1990 Trans Am will leave you stranded on the side of the road. Its job is to deliver fuel from the tank to the engine at the correct pressure. Changing a fuel pump can be a challenging repair as it is often located in a difficult area to reach.

Fuel Pump Identification

The fuel pump in a 1990 Trans Am is similar in shape to a soda can, with two gas lines and one electrical connection on the top.

Type of Fuel Pump

The 1990 Pontiac Trans Am uses an electric fuel pump that is common in fuel-injected vehicles. An electric pump can deliver a higher pressure of fuel more consistently.

Fuel Pump Location

The fuel pump in your 1990 Pontiac Trans Am is inside the fuel tank at the rear of the vehicle.

Reason for Location

The Pontiac Trans Ams fuel pump is located inside the fuel tank for safety reasons. By placing the pump in a cool liquid, well away from an ignition source, it reduces the chances of fire.

The Dodge Caravan is a family minivan that Chrysler Group has sold under its Dodge brand since 1984. One of the engines available for the 1990 model is a four-cylinder 2.5-liter motor with a single overhead camshaft. This type of engine uses a timing belt to connect the crankshaft and camshaft, allowing the cylinder valves to open and close at the correct time. The timing belt requires replacement at regular intervals, and typically lasts at least 60,000 miles.

Instructions

1

Disconnect the compressor bracket for the right engine mount with a socket wrench and detach the engine mount. Remove the accessory drive belts and the cover for the timing belt. Place a floor jack under the engine and raise the engine slightly. Remove the tensioner screw on the timing belt and disconnect the timing belt.

2

Rotate the crankshaft and intermediate shaft to align the timing marks on the their respective sprockets. Turn the camshaft to align the timing mark on the camshaft hub with the line on the cylinder head.

3

Place the new timing belt over the sprockets of the crankshaft and intermediate drive shaft. Turn the hex nut on the timing belt tensioner with a hex wrench to adjust the tension on the timing belt. The timing belt is at the correct tension when you can twist the timing belt to a right angle with your thumb and forefinger.

4

Turn the crankshaft two full turns clockwise and align its timing marks. Tighten the locking nut on the timing belt tensioner to 45 foot-pounds. with a torque wrench.

5

Lower the engine with the floor jack and replace the timing belt cover with a socket wrench. Connect the accessory drive belts and adjust their tension. Attach the engine mount and fasten the compressor bracket to the engine mount.