intermitten metalic noise(not rattle) on cold start.
#1
intermitten metalic noise(not rattle) on cold start.
Continues off and on for about 30 seconds, then all is well. Drove car and no noise on warm start. Car has 43,000 miles with secondary tensioners replaced at 25,000 miles, to be on the safe side. Not sure if I should tow or assume it's starter or water pump, and just drive to repair shop?
#2
#4
Perhaps only continues until oil pressure builds up. Are you using an oil filter with a non-return valve like the OE Jaguar filter? Filters without a valve allow the oil to drain into the oil pan as the engine cools down. On a cold start, the filter has to refill before pressure builds up to normal.
Any starter motor sourced noise should cease when the engine fires. Worn water pump bearings usually squeal rather than make metallic noise.
Serpentine belt tensioner is another possibility.
Graham
Any starter motor sourced noise should cease when the engine fires. Worn water pump bearings usually squeal rather than make metallic noise.
Serpentine belt tensioner is another possibility.
Graham
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GGG (07-12-2017)
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#7
+1
Mike,
I can see you have put Vehicle Details in your forum Signature (mick99 1999 xk8 convertible) but have then chosen NOT to display this in your post #1.
As a Moderator, I can check your profile to see all your details but members can't do this. Please include your Signature in future posts.
Graham
Mike,
I can see you have put Vehicle Details in your forum Signature (mick99 1999 xk8 convertible) but have then chosen NOT to display this in your post #1.
As a Moderator, I can check your profile to see all your details but members can't do this. Please include your Signature in future posts.
Graham
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