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Old 02-01-2010, 02:19 PM   #1
au adam
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Default Belt tensioner question

Hi i was wondering what goes wrong with them besides the pulleys themselves?Does the spring lose it tension?Reason i ask is i can easily remove the belt by hand and could prob put it back on by hand too.It feels like it has crap tension and im wondering if it could be contributing to my high tempreture issues.

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Old 02-01-2010, 03:23 PM   #2
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If you can move the tensioner by hand its a fair chance it's shagged however if it still has load on it it could just be the belt has stretched
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Old 02-01-2010, 03:31 PM   #3
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I cant move the tensioner by hand but if i grab the belt near the PS pulley i can remove the belt.The belt isnt streched as i have compared it with a new one.
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Old 02-01-2010, 06:45 PM   #4
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Sounds like it has lost its tension, Does your steering get heavy or squeal when turning at low speeds ?
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Old 02-01-2010, 06:48 PM   #5
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Are you sure it's not a VCT belt? They are apparently a bit longer.

If the belt is pretty old, it'll have a stack of cracks in it, which if many, could allow a bit of stretching under load.

If the belt has not real cracks (lines) in it, it's probably the tensioner.

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Old 03-01-2010, 05:18 PM   #6
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Quote:
Originally Posted by GK
Are you sure it's not a VCT belt? They are apparently a bit longer.

If the belt is pretty old, it'll have a stack of cracks in it, which if many, could allow a bit of stretching under load.

If the belt has not real cracks (lines) in it, it's probably the tensioner.

GK
The belt is under 3 yrs old and under 60th klms and has no bad cracks.Its get coated in oil as i have a few leaks.
My cousin(mechanic) had a look at it and said the tension seemed fine but i will compare it with my mums AU when i get the chance.
The new belt is on so i will see how it goes tomorrow at work.
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Old 03-01-2010, 05:20 PM   #7
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Quote:
Originally Posted by Beer Baron
Sounds like it has lost its tension, Does your steering get heavy or squeal when turning at low speeds ?
Steering is getting heavy at low speeds but doesnt squeal(prob from the oil leaks).
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Old 04-01-2010, 09:47 PM   #8
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Back to your original question

At about 200000km the tensioners get dirty internally and the grease dries up.
If your tensioner is "jerky" at idle or crunchy/grinding noise when you change a belt it is dirty/worn. Should be smooth movements always.

You can twist them apart, (very carefully in a vice as they are spring loaded) clean up the inner plastic lining between the 2 plates, regrease and re assemble.
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