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Car Forum / Porsche / Porshe 944 / June 2005Help! Camshaft!
Sounds like my camshaft or anicilary parts might be dues for replacement. I'm thinking "ouch" - I assume this is right! Apparently, the play in the shaft should be 5/1000 inch - it's 1/8 inch - so that's about 24 times too much. This was a sudden "failure" - the car still runs fine, but there's a strong vibration which started without warning or build up. Unlikely to be the actual shaft then? Possibly washer, bearing or something similar? How long before a total engine failure, I wonder. If anyone has had experience with this area, I'd really appreciate a bit of advice. I've only known for the last 30 minutes, and already my hair's gone grey.  SignatureRegards, Dave dave_ryman@hotmailNOSPAM.com http://welcome.to/daves.website http://travel.to/formula.one Warning, if you break the cam belt the pistons will run into the valves and you will have a real problem...bent valves etc. Do not run engine until repaired! . You can pull the cam box off in a few hours. Look for a replacement on eBay, otherwise very expensive from dealer. Check www.clarks-garage.com for procedure. Year and model????? "darthpup" <amchitka@mailexcite.com> wrote in news:1119486392.509322.71130 @g47g2000cwa.googlegroups.com: > Warning, if you break the cam belt the pistons will run into the valves > and you will have a real problem...bent valves etc. Do not run engine [quoted text clipped - 4 lines] > > Year and model????? 1989 n/a Thanks for the advice - I was thinking about it last night, and the possibility of that happening to the cambelt occurred to me. I'm glad we got the car in when we did. Still waiting for news. SignatureRegards, Dave dave_ryman@hotmailNOSPAM.com http://welcome.to/daves.website http://travel.to/formula.one Oh, isn't the telephone a wonderful invention? My mechanic said "Crankshaft", my earpiece said "Camshaft". So it's possibly even worse - "possibly"? there's optimism for you. Funny thing was, I was reading something on the internet (one of the many forums), and someone was saying "Are you sure you mean Camshaft not Crankshaft?" - there was me thinking "Huh! Don't they know the difference? How could they make a mistake like that? Scoff scoff" Well, I'm still trying to get my foot out of my mouth. At least I'm not the only one! My mechanic says that it's impossible to tell before looking what the problem is - which, I have no doubt, is true - still leaves me on Tenterhooks, though. Where did you come up with the "1/8 inch play " idea to begin with? I find it difficult to believe that there could be that much play in the main bearing and still have oil pressure. Tell us exaclty what the original symptoms were. You could just have the balance shaft belt loosen up and slip a notch or two to create a vibration problem. Some mechanics can only be trusted as far as you can throw them. "darthpup" <amchitka@mailexcite.com> wrote in news:1119647444.386559.292360 @g14g2000cwa.googlegroups.com: > Where did you come up with the "1/8 inch play " idea to begin with? I > find it difficult to believe that there could be that much play in the [quoted text clipped - 3 lines] > vibration problem. Some mechanics can only be trusted as far as you > can throw them. I've been trusting mine for years. No problems. That's the front/rear play in the crankshaft. It's way out. SignatureRegards, Dave dave_ryman@hotmailNOSPAM.com http://welcome.to/daves.website http://travel.to/formula.one |
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