See Figures 1, 2, 3 and 4
The 2.2L and 2.6L engine use a mechanical type fuel pump located on the side of the engine. The fuel pump is driven by an eccentric cam which is cast on the accessory drive shaft.
REMOVAL & INSTALLATION
- Remove the oil filter.
- Disconnect the fuel lines from the pump.
- Plug the lines to prevent fuel leakage.
- Remove the fuel pump blocker strut from front engine mount-to-blocker assembly.
- Remove the fuel pump mounting bolts.
- Clean all gasket material from engine block mounting surface and spacer block.
- Assemble the new gaskets and spacer block to fuel pump.
- Install the fuel pump mounting bolts in pump mounting flange.
- Position the pump assembly on engine block and tighten bolts alternately to 21 ft. lbs. (28 Nm).
- Connect the fuel lines to the pump.
- Position the fuel pump blocker strut on blocker assembly and front engine mount. Tighten assembly.
- Install the oil filter. Check and adjust oil level.
- Start the engine and check fuel fittings for leaks.
The fuel pump should supply 1 qt. (0.946 l) of fuel in 1 minute or less at idle.Pressure Test
- Insert a T-fitting in the fuel line at the carburetor.
- Connect a six inch piece of hose between the T-fitting and a pressure gauge. A longer piece of hose will result in an inaccurate reading.
- Disconnect the inlet line to the carburetor at the fuel pump and vent the pump. Failure to vent the pump will result in low pressure reading. Reconnect the fuel line.
- Connect a tachometer to the engine. Start the engine and allow to idle. The pressure gauge should show a constant 4.5-6 psi (31-41 kPa) reading. When the engine is turned OFF , the pressure should slowly drop to zero. An instant drop to zero indicates a leaky diaphragm or weak spring. If pressure is too high, the main spring is too strong or the air vent is plugged.
- Proceed with the vacuum test.
- Remove the inlet and outlet fuel lines from the pump.
- Plug the fuel line to the carburetor to prevent fuel leakage.
- Connect a vacuum gauge to the fuel pump inlet fitting.
- Using the starter motor, turn the engine over several times and observe the vacuum gauge. The fuel pump should develop a minimum of 11 in. Hg (37 kPa) of vacuum.
- If the vacuum readings are below specification, replace the pump.