Torque specs for intake manifold 2002 olds alero

Intake Manifold Torque specs? - Maxima Forums

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Jan 25, 2017 - What do you torque the intake manifold to? ... My haynes manual says to torque the upper manifold bolts to 13-16 ft/lbs ... Supporting Maxima.org Member.
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Call any major autoparts store for the correct answer. There are updated torque specs for the gm 3.4 vs in order to deal with a common issue of leaking intake manifold gaskets. They should have the correct updated spec for you vehicle based on the specific Vin number

Follow the link for a complete listing of this engines bolt torque specs. Torque Specs Database

Exhaust Manifold To Cylinder Head - 9.58 ft lbs
Exhaust Pipe To Exhaust Manifold - 20 ft lbs
you can check it out here, also all other torque specs for your engine.
Torque Specs Database

Spark plug torque on the 3.0L engine is 13 ft.lbs. and the 3.3L is 18 ft.lbs.

Valve covers-69 inch lbs.

Intake Manifold-11 ft. lbs.

intake manifold upper and lower 89 in. lbs.

valve cover 89 in. lbs.

Fig. Intake manifold bolt torque sequence 2.7L engine

Upper intake manifold with a new gasket on the lower intake manifold and torque the bolts, in sequence, to: 105 inch lbs. (12 Nm)

Hope helps (remember to rate this answer). Good job.

3.4L Engine To Remove:

1. Remove the lower intake manifold.
2. Remove the exhaust crossover pipe.
3. If removing the right cylinder head, remove the catalytic converter from exhaust manifold.
4. If removing the left cylinder head, remove the engine oil dipstick and tube.
5. Remove the rocker arms and pushrods.
6. Remove and discard the cylinder head bolts.
7. Remove the cylinder head.
8. Clean the mating surfaces on the following items:
   • Cylinder head
   • Cylinder block
   • Intake manifold
9. Clean the cylinder block bolt threads.

NOTE: During disassembly, keep the valve train components together for proper location during assembly.
To Install:
NOTE: Coat the cylinder head bolt threads using thread sealer.

1. If removed, install the following components:
   • Exhaust manifold
   • Accessory studs
   • Spark plugs
2. Place the cylinder head gasket in position over the dowel pins. Ensure that the THIS SIDE UP note is showing.
3. Install the cylinder head. Cylinder head torque sequence ’99-‘00
   
   Cylinder head torque sequence ’01-05
   
   
4. Install the new cylinder head bolts.
   • Tighten the cylinder head bolts a first pass to 44 ft lb (60 Nm).
5. Tighten the cylinder head bolts in sequence an additional 95 degrees.
6. Install the intake gasket.
7. Install the pushrods and rocker arms.
8. Raise and support the vehicle.
9. Install the catalytic converter and dipstick tube and indicator if removed.
10. Lower the vehicle.
11. Install the exhaust crossover pipe.
12. Install the intake manifolds.
13. Connect negative battery cable.
14. Fill the cooling system.

the torque spec's require you to tightened to 10 ft lbs and then tighten another 30 degress which will give you about 12 to 15 ft lbs of torque. make sure that you start in the middle and work your way out when tightening manifold because it will crack easily.

SOHC ENGINE INTAKE MANIFOLD TORQUE IS 105 INCH POUNDS