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When the washer pumps fail on a 2004 Mitsubishi Lancer, the first symptom you may notice is a lack of fluid coming from the washer jets when you press the spray button. Although the pumps are durable and generally last for many years, they will need repair eventually. In order to repair a 2004 Mitsubishi Lancers washer fluid pumps, the pumps must be removed from the washer fluid reservoir and replaced; the pumps themselves are sealed, non-serviceable units.

Instructions

Removal

1

Loosen the lug nuts on the front, passenger-side wheel with a lug nut wrench. Raise the vehicle and set it down on jack stands. Remove the lug nuts and then remove the wheel.

2

Remove the screws holding the side undercover panel to the engine and splash guard, using a ratchet and metric socket. Remove the bolts holding the inner splash guard to the fender and vehicle body, using a ratchet and metric socket.

3

Disconnect the hoses from the washer pumps and allow the windshield washer fluid to flow into a drain pan.

4

Disconnect the electrical connectors on the washer motors. Remove the washer motors from the reservoir by pulling them up and out of their mounting holes. Allow any excess washer fluid to flow into the drain pan.

Installation

5

Set the new washer pumps into position and press them down into their mounting holes until they are fully-seated.

6

Reconnect the electrical connectors to both pumps and then reconnect the front and rear pump hoses. Remove the drain pan from underneath the vehicle.

7

Set the inner fender splash guard into position and reinstall its retaining bolts. Set the side undercover into position and reinstall its retaining screws.

8

Refill the reservoir and test the washer pumps. Lift the vehicle using the jack, remove the stands, and set it back down on the ground.

The Mitsubishi Lancer is a family car manufactured by Mitsubishi Motors since 1973. The 2003 model belongs to the eighth generation of this series, and includes the 2000 through 2007 model years. The engine in the 2003 Mitsubishi Lancer is a four-cylinder 2.0-liter engine with a single overhead camshaft. It has a timing belt to synchronize the camshaft with the crankshaft. The timing belt for this model will last about 60,000 miles before it needs replacing.

Instructions

1

Disconnect the cover under the left side of the engine with a socket wrench. Remove the cable from the negative battery terminal. Remove the mounting insulator for the engine.

2

Disconnect the pulley for the crankshaft with a socket wrench, and detach the electrical connector for the crankshaft position sensor. Disconnect the upper front cover for the timing belt.

3

Release the clamp for the oil line to the power steering pump, and disconnect the bracket for the oil line with a socket wrench. Disconnect the adjusting brace for the alternator, and remove the lower cover for the timing belt. Disconnect the bracket stay for the power steering pump. Remove the flange and support bracket for the engine.

4

Turn the crankshaft clockwise to align the timing marks for the crankshaft and camshaft. Remove the retaining bolt for the pulley of the timing belt tensioner with a socket wrench. Pry the tensioner pulley away from the timing belt with a suitable pry tool.

5

Tighten the pulley bolt for the tensioner to hold it in place temporarily. Remove the timing belt. Loosen the pulley bolt for the timing belt tensioner and remove the pulley. Install the pulley for the belt tensioner, and lever it as close to the engine mount as possible. Tighten the pulley bolt to temporarily hold the pulley in place.

6

Turn the crankshaft clockwise to align the crankshaft and camshaft timing marks as necessary. Install the new timing belt onto the crankshaft sprocket, water pump sprocket, camshaft sprocket and belt tensioner pulley in that order.

7

Loosen the bolt for the belt tensioner pulley by one-half turn with a socket wrench. This allows the tensioner spring to place tension on the timing belt. Turn the crankshaft two full turns clockwise to align the timing marks once again.

8

Ensure that the teeth on the camshaft and crankshaft sprockets engage the timing belt, and tighten the bolt on the belt tensioner pulley with a socket wrench. Install the remaining components by performing Steps One through Three in reverse order.