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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 62 (ENGINE MECHANICAL)SPECIFICATIONSTHREAD REPAIR SPECIFICATIONSCYLINDER HEAD - END VIEW
2008 Pontiac Grand Prix Base

Cylinder Head - End View

2008 Pontiac Grand Prix BaseSECTION Cylinder Head - End View
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Cylinder Head Bolt Holes - End View
GM64503Courtesy of GENERAL MOTORS CORP.
Cylinder Head - End View

Hole Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth - Maximum mm (in) Tap Depth - Maximum mm (in)
1 M10 x 1.5 J 42385-215 J 42385-211 J 42385-212 J 42385-213 J 42385-214 28.0 (1.10) 20.0 (0.787)
2 - N/A - - - - - -
3 M10 x 1.5 J 42385-215 J 42385-211 J 42385-212 J 42385-213 J 42385-214 28.0 (1.10) 20.0 (0.787)
4 N/A - - - - - - -
5-6 M10 x 1.5 J 42385-215 J 42385-211 J 42385-212 J 42385-213 J 42385-214 28.0 (1.10) 20.0 (0.787)
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.