Viperpilot99 said: Do you think that the EGR prematurely kills the valve seals? Can the seals be replaced with the head on the car? I have replaced seals that way on other cars before.
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Since my car was 15 years old before I had to replace the seals I don't think the EGR valve caused anything to be "premature". And yes, the seals can be replaced with the head on the engine.
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1986 560 SEL (159K miles)