Volvo RWD 120-130 Forum

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Valve knock / engine noise continued.... 120-130

posted by  walrus3 on  Sat Dec 16 12:59 CST 2006
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last visit: Mon Dec 2 14:20 CST 2013
[RELATED]

Steel gears are better than fiber gears - so don't change!
Note that #1 and #4 are both at TDC at the same time. The marks on the
gears are for installing the gears, NOT determining TDC. Timing marks are
for that.

You should check the brass plate behind the timing gear. If it is worn that
would give you forward/aft motion of the camshaft and possibly knocking also.

Changing from steel gears to a fiber gear (and you DO have to change both
gears if you do that) is a step backward in reliability and longevity.
Steel gears may be slightly noisier but it is usually not detectable inside
the car.
--
George Downs Bartlesville, Heart of the USA!






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New Valve knock / engine noise continued.... [120-130]
posted by  WRH  on Sat Dec 16 09:20 CST 2006 >


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