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I'm replacing my timing chain and sprockets but I cannot get the crankshaft sprocket off. There is a pin there but it will not come out. Does it just pull out? Any tips? Thanks!

I'm in the process of putting in a new timing chain and removing the heads for a valve job on my 91 Explorer, but I'm at a standstill right now. I can't get my crankshaft pulley off. I've tried two different pullers, and with the second one I stripped out the two small holes for the bolts to...

I just had my '91 towed to a mechanic after I couldn't find out what was wrong with with. He's tested nearly everything and says that the timing chain is skipping and that two of the cylinders are getting no compression. Even if I get the timing chain fixed ($400 - $500) he says it will still...

My '91 Explorer is having trouble starting, and when it does start it idles very low and when I try to give it gas it stalls out. I really can't figure out whats wrong. I don't think its an electrical problem; to me it seems like its hardly getting any gas. I changed the fuel filter but that...