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how to replace intake gasket on a 3.4 grand am

Customer Question
how to replace intake gasket on a 3.4 grand am
Submitted: 8 years ago.Category: Pontiac
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Answered in 10 minutes by:
4/5/2009
Pontiac Mechanic: zzdaryl, Shop Owner, Master Mechanic replied 8 years ago
zzdaryl
zzdaryl, Shop Owner, Master Mechanic
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Satisfied Customers: 12,550
Experience: 28 years experience, Master Mechanic
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Customer reply replied 8 years ago
2000 Grand Am GT V6 coolant is leaking at lower intake gasket, needs replaced.
Pontiac Mechanic: zzdaryl, Shop Owner, Master Mechanic replied 8 years ago

Click here for instructions Part 1

 

Click here for Part 2

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Customer reply replied 8 years ago

Is this the only diagrams providing please reference answer from previous provider.

 

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how to replace intake gasket on a 3.4 grand am

Sent to Chevy Experts May 21 2008 at 3:52 AM

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2000 Pontiac grand am gt 3.4

Customer (name blocked for privacy) (Offline) -- 4 Accepts / 6 Questions Email Status: Closed Value: $9 Answer May 21 2008 at 4:18 AM (26 minutes and 21 seconds later) ACCEPTEDCheck Mark

Hi Here is the procedure for the lower intake gasket.

 

Intake Manifold Replacement (Lower)

Removal Procedure

 

Tools Required

J 23600-B Torque Angle Meter


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  1. Remove the upper intake manifold. Refer to Intake Manifold Replacement .
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  2. Remove the fuel lines at the fuel rail and the bracket.
  3. Remove the fuel rail with injectors. Refer to Fuel Injection Fuel Rail Assembly Replacement in Engine Controls - 3.4L.
  4. Remove the power steering mounting bolts. Support the pump aside. Refer to Power Steering Pump Replacement in Power Steering Systems.
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  5. Remove the inlet cooling pipe from the coolant outlet housing.
  6. Remove the heater by-pass at the coolant pump and the cylinder head.
  7. Remove the radiator hose at the heater outlet housing.
  8. Remove the water outlet housing. Refer to Water Outlet Housing Replacement in Engine Cooling.
  9. Remove both of the valve rocker covers. Refer to Valve Rocker Arm Cover Replacement .
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    Important: Retain the washers in the same orientation on the center bolts.

  10. Remove the lower intake manifold bolts and DISCARD the bolts.
  11. Remove the lower intake manifold.
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  12. Loosen the rocker arms.
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    Important: Keep the pushrods in order. The pushrods must be installed in the original position.

  13. Remove the pushrods.
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  14. Remove the intake gasket.
  15. Inspect the flatness of the inlet flanges.
  16. Clean the following items:
    Gasket material from the mating surfaces
    Excess RTV sealant from the front and the rear ridges of the cylinder
    The block
    Sealing surfaces
    Use degreaser in order to clean the sealing surfaces.

Installation Procedure

 

    Important: All gasket-mating surfaces need to be free of oil, and foreign material. Use GM P/N 12346139 (Canadian P/N 10953463) or equivalent to clean surfaces.


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  1. Install the intake manifold gasket.
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  2. Install the pushrods.

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the rocker arm bolts.

    Tighten
    Tighten the bolts to 10 N·m (89 lb in) +30 degrees.

    3.1. Install the pushrods in their original location.
    3.2. Coat the ends of the pushrods with prelube GM P/N XXXXXXX, or the equivalent.
    3.3. Intake pushrods are 144 mm (5.75 in).
    3.4. Exhaust pushrods are 152.5 mm (6.0 in).
    3.5. Ensure that the pushrods seat in the lifter.

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    Important: All gasket-mating surfaces need to be free of oil, and foreign material. Use GM P/N 12346139 (Canadian P/N 10953463) or equivalent to clean surfaces.

  4. With gaskets in place apply a small drop 8-10 mm (0.31-0.39 in) of RTV sealer GM P/N 12346141 (Canadian P/N 89022195) or equivalent to the 4 corners of the intake manifold to block joint (1).
  5. Connect the 2 small drops with a bead of RTV sealer that is between 8-10 mm (0.31-0.39 in) wide and 3.0-5.0 mm (0.12-0.20 in) thick (2).
  6. Install the lower intake manifold.
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    Important: All lower intake manifold bolts need to be cleaned and free of any foreign material, only new bolts are to be used.

    Important: Manufacturer recommends the center bolts be fully torqued before the diagonal bolts to assure proper seal ability.

    Important: Lower intake manifold bolts in location 6 and 7 should be torqued to specification using a crows foot type tool.

  7. Install NEW lower intake manifold bolts.

    Tighten

    1. Tighten the lower intake manifold bolts in sequence to 7 N·m (62 lb in) on the first pass.
    2. Tighten the lower intake manifold bolts (1, 2, 3, 4) in sequence to 13 N·m (115 lb in) on the final pass.
    3. Tighten the lower intake manifold bolts (5, 6, 7, 8) in sequence to 25 N·m (18 lb ft) on the final pass.
  8. Install the water outlet housing. Refer to Water Outlet Housing Replacement in Engine Cooling.
  9. Install the radiator hose to the thermostat housing.
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  10. Install the heater inlet pipe to the thermostat housing.
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    Important: Do not press on the fuel pressure regulator valve when installing the fuel injector rail assembly.

  11. Install the fuel injector rail assembly.
    11.1. Install the fuel injector O-rings using GM P/N 12345616, (Canadian P/N 993182) or equivalent.
    11.2. Install the injector nozzles into the lower intake manifold injector bores.
    11.3. Press on the injector rail using the palms of both hands until the injectors are fully seated.
  12. Install the fuel injector rail bolts.

    Tighten
    Tighten the fuel injector rail bolts to 10 N·m (89 lb in).


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  13. Install the fuel feed and return pipe retaining clip.
  14. Install the fuel feed and return pipe retaining clip bolt.

    Tighten
    Tighten the fuel feed and return pipe retaining clip bolt to 8 N·m (71 lb in).


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  15. Install the upper intake manifold. Refer to Intake Manifold Replacement .
  16. Install the valve rocker covers. Refer to Valve Rocker Arm Cover Replacement .
  17. Let me know if i can help you further.Please click on accept. Thanks Eric

PictureEric (Offline) -- Master Technician/shop foreman -- 99% Positive Feedback on 287 Chevy Accepts
ASE Master Technician, 25 years experience, Over325 General Motors certifications Answer May 21 2008 at 6:09 AM (1 hour and 51 minutes and 5 seconds later) They should work, sometimes they dont carry over when i copy and paste them, If you need something specific let me know. thanks Eric PictureEric (Offline) -- Master Technician/shop foreman -- 99% Positive Feedback on 287 Chevy Accepts
ASE Master Technician, 25 years experience, Over325 General Motors certifications This question has been closed. You cannot post to this question unless the Customer relists it.

 

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Pontiac Mechanic: zzdaryl, Shop Owner, Master Mechanic replied 8 years ago
Is the above info what you need? I am not under standing?
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