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Topic: Engine Knocking Scorpio Cosworth (Read 1092 times) |
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martinctb
Newbie
I love YaBB 1G - SP1!
Posts: 41
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Engine Knocking Scorpio Cosworth
« on: Mar 15th, 2004, 6:32pm » |
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Have problem on my 1996 cosworth when you start the car everything is fine as soon as you start to rev you get a knocking from the bottom end of the engine the more you rev the loader the knock.
Plus anyone know where i can get the info for a engine rebuild torq's etc
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JohnJ
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98 2.3 Ultima
Posts: 732
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Re: Engine Knocking Scorpio Cosworth
« Reply #2 on: Mar 16th, 2004, 8:30am » |
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So your saying that its possibly a big end bearing? Good luck mate! I would make sure first....pull the sump off and make sure, Someone had a problem with timming chain guide falling in to the sump bloking the outlet,...could be something simple.
JJ
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martinctb
Newbie
I love YaBB 1G - SP1!
Posts: 41
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Re: Engine Knocking Scorpio Cosworth
« Reply #3 on: Mar 17th, 2004, 5:08pm » |
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Update have just taken delivery of the the car and the knocking seems to be not like a bigend bearing unless one has gone. Nothing on tick over rev and you hear knock knock. Ideas
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DJWerkz
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Re: Engine Knocking Scorpio Cosworth
« Reply #4 on: Mar 18th, 2004, 12:40am » |
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I would say don't take any guesses, have someone who know's what they are doing look at it,...and I mean someone who know's what they are doing with the Ultma's!
STN,...any advice for this chap?
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Steve_S
Full Member
1997 scorpio ultima 2.9 24v lpg
 
Posts: 655
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Re: Engine Knocking Scorpio Cosworth
« Reply #5 on: Mar 18th, 2004, 1:28am » |
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I agree, get an expert to check it, just make sure it is not something like a loose eliment in one of the cats, mind you that tends to sound more rattley than a knock.
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Steve S
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martinctb
Newbie
I love YaBB 1G - SP1!
Posts: 41
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Re: Engine Knocking Scorpio Cosworth
« Reply #6 on: Mar 18th, 2004, 6:02pm » |
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Thanks, but i never put trust in others where my bank balance is concerned, id rather strip, examine and rebuild were necessary the cost of two hours in a garage with someone guessing what is wrong gives me a gasket kit and then i am sure plus everything ielse can be checked. Been building cars for years, seems like ill be doing my first cosworth soon.
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admin
Administrator
The Big Boss
Posts: 1410
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Re: Engine Knocking Scorpio Cosworth
« Reply #7 on: Mar 19th, 2004, 8:33am » |
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One thing to try is to put the car in D and see if the knock gets worse at idle.
If it does then it does sound like bottom end bearings - they sound worse under load.
Get a doctors stheoscope for a few quid off Ebay - I always have one in the car for diagnostic purposes and it helps you identify where the noise is coming from - it could be crankshaft end float (watch the bottom pulley when reving the engine to look for movement)
You can remove the sump to get at the crankshaft shells with the engine in the car if needed unless you want to do the full rebuild as was done on the website.
Good luck
Steve
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martinctb
Newbie
I love YaBB 1G - SP1!
Posts: 41
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Re: Engine Knocking Scorpio Cosworth
« Reply #8 on: Mar 20th, 2004, 7:58pm » |
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Thanks does the sump come off without problems or do you have to dismattle the suspension, if just shell do you now a good supply of shell replacement. martin
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