Question about 2005 Chevrolet Impala

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Engine Bolt Torques- 2005 Chevy Impala/3400 Engine

Need Torque Specs for, Head Bolts, Rocker arm bolts, and Intake bolts.
Thank You

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Head Bolts
Step one 37 ft lbs then tignten 120 degrees more

Rocker arms
Step one 11 ft lbs then tighten 90 degresss more

Upper intake
89 inch lbs
Lower intake
132 inch lbs

Posted on Dec 02, 2008

This website can be helpful....
http://www.greatautohelp.com

Posted on Oct 23, 2008

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    An expert who has achieved level 1.

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Check online or ask your local dealership I am sure that they will help you.

Posted on Jul 08, 2008

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Head bolts are supposed to be only used once is 65 ftp,,,i would suggest if you get them to 60ftp i would stop,,,it should be fine,,, start in center at 35ftp working your way around,,, and back and forth,,,after they are all at 35ftp,,then go to 60ftp the same way,,, see chevy headbolt tighting pattern for correct instalation,,,its more to it than just tighting them down,,, use a torque wrench

Posted on Mar 07, 2015

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Hi Juan, I'm AL the owner of Big As Auto Repair

Below is the torque specs for the rocker arm as you requested.

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Please don't forget to rate. Thank you:

Left side front cylinder head


98e175a.gif
Cylinder head bolt torque sequence-3.4L engine

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    71cd5b7.gif
    Cylinder head bolt torque sequence-3.4L engine


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    2811243.jpg


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    cbb8861.jpg

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