Quote:
Originally Posted by tbomachines
Thanks guys! He is chasing down vac lines (there are a lot of them on this engine, although theyve all been replaced with silicone at some point) and intake leaks. For me to buy this car I mostly want to rule out a cracked head, block, or HG as I don't have time to fix that. Sensors, fueling, and normal maintenance all to be expected in my book (its a 20 year old german sports sedan, I know what im getting into there). The 3.0 is known to be a really reliable engine, so fingers crossed. Only fuel that has been in it is 93, definitely no avgas.
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silicone vacuum tubing is usually a recipe for leaks unless you stick them with hylomar or tie them with zip ties.
I found that japanese vehicle factory vacuum hose is best or use the mercedes benz nylon tubing with the black vacuum hoses as end pieces to join them.