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Old 10-12-2015, 08:23 PM   #1
goob
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Default what are the timing belt tensioner bolt and idler pulley bolt torque values

Help, can someone please tell me what the correct torque values are for these two bolts. I changed my timing belt yesterday using the Haynes manual which stated 15 lb/ft. for the timing belt tensioner bolt and 18 lb/ft for the idler pulley bolt. I used red thread locker on both. The car seems to run fine. Today i read the little instruction page that came with the Gates timing belt kit. It states that the tensioner bolt should be torqued to 40 lbs/ft and 37 lbs/ft for the idler bolt. Quite a difference from the Haynes values and they aren't even proportional to each other. Now i'm trying to find if i need to tear everything back down to tighten up those bolts. Can someone confirm what the correct values are.

Thanks, Gary

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Old 10-13-2015, 01:18 AM   #2
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Default Re: what are the timing belt tensioner bolt and idler pulley bolt torque values

Cylinder Head Timing Belt Tensioner
20 Nm
15 lb ft


Cylinder Head Timing Belt Deflection Pulley
25 Nm
18 lb ft

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Old 10-13-2015, 10:23 AM   #3
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Default Re: what are the timing belt tensioner bolt and idler pulley bolt torque values

Quote:
Originally Posted by bern View Post
Cylinder Head Timing Belt Tensioner
20 Nm
15 lb ft


Cylinder Head Timing Belt Deflection Pulley
25 Nm
18 lb ft
Thanks Bern for the info. This certainly puts my mind at ease. If you don't mind me asking, what is the source of your info?

Gary

...
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Spt Pkg, Prem. Aud. and Sunroof

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Old 10-14-2015, 01:03 AM   #4
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Default Re: what are the timing belt tensioner bolt and idler pulley bolt torque values

GM SI (General motors service information)

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Old 10-14-2015, 08:05 PM   #5
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Default Re: what are the timing belt tensioner bolt and idler pulley bolt torque values

Quote:
Originally Posted by bern View Post
GM SI (General motors service information)
Perfect, Thanks so much!

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