Crankshaft Main Bearing

2013 GMC Terrain FWD V6-3.6LSECTION Crankshaft Main Bearing




Loosely install the original inner main cap bolts.

Loosely install the NEW outer main cap bolts.


Loosely install the NEW short/inner side main cap bolts.

Loosely install the NEW long/outer side main cap bolts.





Tighten the main cap bolts using the EN 45059 - meterin the following sequence:

Tighten the inboard bolts (1-8) first, in two passes.

Tighten the inboard bolts to 20 Nm (15 lb ft) on the first pass.

Tighten the inboard bolts (1-8) an additional 80 degrees on the 2nd pass.





Tighten the outboard bolts (9-16) second, in two passes.

Tighten the outboard bolts to 15 Nm (11 lb ft) on the first pass.

Tighten the outboard bolts (9-16) an additional 110 degrees on the 2nd pass.





Tighten the short/inner bolts (17-20) third, in two passes.

Tighten the short/inner bolts to 30 Nm (22 lb ft) on the first pass.

Tighten the short/inner bolts (17-20) an additional 60 degrees on the 2nd pass.

Tighten the long/outer bolts (21-24) fourth, in two passes.

Tighten the long/outer bolts to 30 Nm (22 lb ft) on the first pass.

Tighten the long/outer bolts (21-24) an additional 60 degrees on the 2nd pass.

Ensure that the crankshaft turns without binding or noise.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.