Torque specification

2013 CHEVROLET SONIC
160,000 MILES • 1.8L • 4 CYL • 2WD • MANUAL
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ANGEL PAGAN
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  • 1 POST
I'm new to this and was following the instructions on csman.com for my head gasket replacement. I followed the instructions to a T. I tighten my head bolts as per the instructions provided below. Now I understand that the first pass is at 18 lb ft torque. I just don't understand if the 2nd-5th are ft lbs or degrees? Because that's where my confusion starts. This is what happen because I thought it was 18 ft lbs for each pass.

Tighten the bolts (1) in 5 passes. Use the EN-45059 sensor kit :
First pass to 25 N.M (18 lb ft).
Second pass to 90 .
Third pass to 90 .
Fourth pass to 90 .
Final pass to 45 .
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Jun 26, 2019 at 6:04 AM
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KENW1
  • CAR REPAIR CONTRIBUTOR
  • 213 POSTS
Thanks for visiting 2CarPros.

The 2nd-5th passes are degrees. These are torque to yield bolts and must be replaced anytime they are taken out. So go to 18ft lbs then use a torque angle gauge to do the remaining passes as follows

Tighten the bolts (1) in 5 passes. Use the EN-45059 sensor kit :

* First pass to 25 Nm (18 lb ft).

* Second pass to 90°.

* Third pass to 90°.

* Fourth pass to 90°.

* Final pass to 45°.
Image (Click to enlarge)
Jun 26, 2019 at 1:01 PM
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