Toyota Celica/Supra 1971-1985 Repair Guide

Mechanical Fuel Pump

Imprimir

All 1971-74 and 1980-83 Celicas (carbureted) are equipped with a mechanically operated fuel pump of diaphragm construction (1980-83 cars use two different types of pump). A separate fuel filter is incorporated into the fuel line. See General Information & Maintenance for its required service. On 1971-74 models, the fuel pump is located on the right side of the engine block. On 1980-83 models, it is located on the right side of the cylinder head.

REMOVAL & INSTALLATION



1971-74 Models

See Figures 1 and 2



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Fig. Fig. 1: The fuel pump on 1971-72 models can be disassembled for repair



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Fig. Fig. 2: The fuel pump on the 1973-74 models is slightly different from that on the earlier models

  1. Disconnect the negative battery cable.
  2.  
  3. Disconnect and plug both of the fuel lines from the fuel pump.
  4.  
  5. Unscrew and remove the two fuel pump mounting bolts.
  6.  
  7. Withdraw the fuel pump assembly from the engine block.
  8.  
  9. Installation is in the reverse order of removal.
  10.  

Always use a new gasket when installing the fuel pump.

  1. Start the engine and check the pump for any leaks.
  2.  

1980-83 Models

See Figure 3



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Fig. Fig. 3: The mechanical fuel pump was reintroduced in the 1980-83 models, but was not repairable

  1. Disconnect the negative battery cable.
  2.  
  3. Drain the radiator coolant.
  4.  

When draining the radiator, use a clean container so that the coolant may be reused.

  1. Disconnect the upper radiator hose and wire it out of the way.
  2.  
  3. Disconnect and plug