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- Oct 28, 2014
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- 1,871
The original MK3 check plunger is still in the timing cover
I would say no, especially in light of what else you found. Besides, the engine is apart; why chance it for the price of a rod? Steel begins to yellow at ~420'F, going full, deep blue by around 590'F. Aluminum is "aged" around 400'F, so, with any color noticed in the attached steel cap, the aluminum is well past its hardening temp, and resulting strength is in question.seattle##gs said:The steel cap on the right side rod showed discoloration from heat. Is that rod still usable?
If the pump works the ball has to come off the seat by pump pressure.
kommando said:If the pump works the ball has to come off the seat by pump pressure.
I know these are positive displacement pumps and the theory is they produce highest pressure when the exit is restricted but you can never beat seeing the result of a post pump blockage, instead of pumping oil out when it met resistance it must have got air in through a mating surface and that forced the oil back out the inlet.