Roll the engine to top dead center and drop a little paint on the front pulley assembly. Now take off the distributor cap and rotor and notice where it sits. There is a line on the housing of the distributor that it lines up to when the engine is at top dead. Take out the distributor housing...Take off the front pullyes by taking out the 5 13mm bolts inside the pulleys. Take off the harmonic. It will come off now that the pulley is off. You do not need to take off the big 27mm bolt in the front. Trust me...
Now the bolts on the pump will come out.
1992 500E (very soon I hope
1981 280GE SWB
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