![]() | Home > Maintenance & Modifications > Squeaky serpentine belt.300tdi. |
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300TDi CSW Phil Member Since: 03 Apr 2016 Location: Bracknell Posts: 750 ![]() ![]() ![]() |
I had similar a couple of years ago. I too tried the penny trick but it turned out to be the bearing in the the tensioner pulley.
It is possible if you have a good bearing supplier to get a new bearing and swap it out. Also a lot cheaper doing this than replacing the tensioner unit complete. Regards Phil 1995 300 Tdi Epsom Green - It's a keeper. Wide Track Sankey- In bits- Gone to a new home M0XQS |
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sharkey964 Member Since: 05 Oct 2014 Location: On a muddy track Posts: 577 ![]() ![]() ![]() |
Hi Phil
But if it was the bearing in the tensioner,why does the squeak stop when I dust the belt with talk? Thanks Marc |
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300TDi CSW Phil Member Since: 03 Apr 2016 Location: Bracknell Posts: 750 ![]() ![]() ![]() |
Marc,
I missed that bit sorry. One possibility is that the talc lets the belt slide a little without squeeking if it is slightly out of line. Have you tried cleaning any grease etc off the belt and pulleys? Regards Phil 1995 300 Tdi Epsom Green - It's a keeper. Wide Track Sankey- In bits- Gone to a new home M0XQS |
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sharkey964 Member Since: 05 Oct 2014 Location: On a muddy track Posts: 577 ![]() ![]() ![]() |
Yep,degreased the belt,then replaced the belt.
I think your right,something is running out of line.But I don't know what? Thanks Marc |
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jeffersj Member Since: 23 Jan 2015 Location: Near Preston Posts: 431 ![]() ![]() ![]() |
Same problem here but a few quirts of silicone spray settled it down. Jeff
Ex 1968 Series 2A Ex 90 TD5 Ex D3 Ex D4 |
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sharkey964 Member Since: 05 Oct 2014 Location: On a muddy track Posts: 577 ![]() ![]() ![]() |
Hi jeffers
Does the squeak come back after a while,when you have squirted it with silicone spray? Marc |
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300TDi CSW Phil Member Since: 03 Apr 2016 Location: Bracknell Posts: 750 ![]() ![]() ![]() |
Let me see if I can get this in the right order:
Tried cleaning everything down. Still squealed. Tried Belt anti squeal spray- this worked for a period of time but only days at a time. Then tried the penny trick. This puts the tensioner alignment back to where it should be when the pivot wears. (the penny is still there) Didn't make a whole heap of difference. Then took the belt off to clean it again and discovered that the pulley on the tensioner was flapping around like a fart in a bucket. Replaced the bearing in the pulley and bingo no more squeal. I'm convinced that it wasn't the bearing making the noise but somehow responsible for something not running true it was a definite belt squeal. It may be worth taking the tension of the tensioner and checking the bearing on the pulley if only to rule it out. Regards Phil 1995 300 Tdi Epsom Green - It's a keeper. Wide Track Sankey- In bits- Gone to a new home M0XQS |
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sharkey964 Member Since: 05 Oct 2014 Location: On a muddy track Posts: 577 ![]() ![]() ![]() |
Hi Phil
Yes,thats pretty much what I have donn,but not specificaly in that order. Except,the pully tensioner is not flapping around. ![]() & the penny is no longer in. I'll disengage the tensioner & see if there is any noticable slop in the bearing. Thanks again. Marc |
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jeffersj Member Since: 23 Jan 2015 Location: Near Preston Posts: 431 ![]() ![]() ![]() |
Sharkey - had to spray a few times but it finally went. Jeff
Ex 1968 Series 2A Ex 90 TD5 Ex D3 Ex D4 |
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