Need torque specs for main bearings and piston rods

2007 CHEVROLET SPARK
232,112 MILES • 1.0L • 4 CYL • 2WD • MANUAL
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GININDZA
Need to know the NM
Nov 6, 2025 at 10:51 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,494 POSTS
  • ASE Certified Mechanic
Sure, here are the torque specs for the main bearing and piston rods.

Main Bearing Cap Bolts

Step 1: 25 Nm

Step 2: Turn an additional 60° (angle torque)
(Always tighten in sequence from center outwards)

Connecting Rod (Piston Rod) Bolts

Step 1: 20 Nm

Step 2: Turn an additional 70°

Let us know if you need anything else.
Nov 9, 2025 at 10:05 AM
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