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Old 10-31-2013, 07:40 PM   #1
 
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Default Checking the camshaft bearing caps
2 people I know have had issues with a rattle noise from the top of the engine which resulted in engine damage. It was confirmed to me that the camshaft bearing caps loosened. I am writing this up for info on how to torque your bearing caps if anyone is concerned about them and may be having a noise that is not related to the water pump and timing chain. It is a simple job that just requires a torque wrench and a new valve cover gasket.

Found a video on YouTube from someone with a 2010 Corolla and how he put the rocker arms back on after they popped off from over revving.
http://www.youtube.com/watch?v=BLdMWkzSwXk

The torque specs for the cam shaft bearing caps are 12 ft-lbs. Must be torqued in the sequence shown.


The torque specs for the camshaft housing sub-assembly is 20 ft-lbs. Must be torqued in the sequence shown.


Valve cover torque is 7 ft-lbs or 84 in lbs.


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Last edited by TheJonas53; 01-01-2014 at 05:22 PM.
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Old 12-14-2013, 10:21 AM   #2
 
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Fixed. I dont know why the images got deleted.


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Old 01-01-2014, 05:22 PM   #3
 
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Updated first post with a video I found.


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