Question about Pontiac Bonneville

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I need the torque sequence and specs for the heads and valve covers on a 94' Pontiac Bonneville 3.8L. Help please?

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  • ismael120her Feb 08, 2010

    Thanks alot man. That was more than I asked for but I will use it all. Thanks for saving me the time of asking more questions.

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Camshaft Bolt: 74 ft/lbs + 90 degrees angle torque

Camshaft thrust plate: 132 in/lbs (T30 torx)

Front cover bolts: 15 ft/lbs + 40 degrees angle torque

Oil pan bolts: 125 in/lbs

Crank sensor nuts: 18 ft/lbs

Camshaft sensor bolts 48 in/lbs

Lifter hold-downs: 22 ft/lbs

Rocker bolts: 11 ft/lbs(132in/lbs) + 90 degrees angle torque

Lower intake bolts: 132 in/lbs

Supercharger bolts: 17ft/lbs

Crank Bolt: 111 ft/lbs + 76 degrees angle torque up to 10/98

111 ft/lbs +114 degrees angle torque 10/98 and up

Cylinder head bolts: 37 ft/lbs + 130 degrees + 30 degrees up to 10/98

37 ft/lbs + 120 degrees

Flywheel/flexplate bolts: 132 in/lbs + 50 degrees

Exhaust manifolds: stud/nuts 132 in/lbs

Nuts 156 in/lbs

Oil filter adapter to timing cover: 22 ft/lbs 97 earlier
132 in/lbs + 50 degrees 97 and later
Oil pump

Cover to timing cover: 98 in/lbs

Pick up tube and screen: 132 in/lbs

Valve cover bolts: 89 in/lbs

Tstat bolts: 21 ft/lbs

Water Pump: 132 in/lbs + 80 degrees

Water pump pulley: 115 in/lbs

Throttle body: 84-89 in/lbs

Fuel rail nuts: 75-84 in/lbs





I hope this helps you

Posted on Feb 08, 2010

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