The sequence for removal & reinstall would be appreciated with anyparticular problems outlined.Thank you,Courtney

1. drain coolant from radiator and block2. remove the air cleaner3. loosen and remove the power steering belt4. disconnect the upper water hose from the radiator and thermostathousing5. remove the fan and coupling6. remove the bottom water hose from the water pump7. remove the hose from the intake connection from the water pump8. set the engine at the distributor and engine andremove the the engine with a socket wrench on thecrankshaft pulley in the normal direction of rotation only.9. turn the balancer so that the recesses provide access to themounting bolts.Rotate the engine in the normal direction of rotationonly.10. remove the water pump11. clean the mounting surfaces of the water pump and block.12. installation is the reverse of use a new the engine to TDC and install the distributor so that the distributorrotor points to the notch on the distributor the coolingsystem and check ignition timing.

HOW2 replace water pump on [Euro] '84 500SL ?

Aug 12, 2005 1 Replies

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First reply

CaptainW116

1. drain coolant from radiator and block 2. remove the air cleaner 3. loosen and remove the power steering belt 4. disconnect the upper water hose from the radiator and thermostat housing 5. remove the fan and coupling 6. remove the bottom water hose from the water pump 7.…

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drain coolant from radiator and block
remove the air cleaner
loosen and remove the power steering belt
disconnect the upper water hose from the radiator and thermostat housing
remove the fan and coupling
remove the bottom water hose from the water pump
remove the hose from the intake connection from the water pump
set the engine at TDC.Matchmark the distributor and engine and remove the distributor.Crank the engine with a socket wrench on the crankshaft pulley bolt.Crank in the normal direction of rotation only.
turn the balancer so that the recesses provide access to the mounting bolts.Rotate the engine in the normal direction of rotation only.
remove the water pump
clean the mounting surfaces of the water pump and block.
installation is the reverse of removal.Always use a new gasket.Set the engine to TDC and install the distributor so that the distributor rotor points to the notch on the distributor housing.Fill the cooling system and check ignition timing.