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you torque the head bolts to 18ft-lbs start in the middle and work toward the outer bolts then reset the torque wrench to 26 ft-lbs and follow the same but as they hit 26 go 1 quarter turn on each bolt This torque sequence for 1986 and 1987 2.5's from the Haynes manual is:

Step 1, 18 ft lbs.

Step 2, All but bolt 9 22 ft lbs, bolt 9 29 ft lbs.

Step 3, all but bolt 9 turn an additional 120 degrees, bolt 9 turn an additional 90 degrees.

Bolt 9, when the engine is in the car is the front most bolt on the passenger side.

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โˆ™ 2008-01-19 16:16:56
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Q: What is the torque and torque sequence for the head and rocker arm assembly of a 1986 Chevy Celebrity 2.5L?
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