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marcpod, Own collision repair advice
Category: Buick
Satisfied Customers: 2862
Experience:  i-car/Basf training, 300 repairs and 650,000 in Collision monthly/18 yrs exp/licensed adjuster
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wondering how to replace upper intake manifold on 1999 buick lesabre

Customer Question

wondering how to replace upper intake manifold on 1999 buick lesabre
Submitted: 5 years ago.
Category: Buick
Expert:  marcpod replied 5 years ago.

Welcome to just answer. Here is the procedure if you need anything else just let me know. If you accept this hit the green payment tab. Thank you.

 

Removal Procedure

Caution: Refer to Battery Disconnect Caution in Service Precautions.

  1. Disconnect the negative battery cable.
  2. Remove the fuel injector sight shield. Remove the air intake duct.
  3. Disconnect the spark plug wires from the right side of the engine.
  4. Remove the manifold vacuum source.
  5. Depressurize the fuel lines.

  1. Remove the fuel rail.
  2. Remove the EGR heat shield.
  3. Remove the cable bracket to the cylinder head mounting bolt.
  4. Remove the throttle cable.
  5. Remove the throttle body support bracket.

  1. Remove the upper intake manifold.

Installation Procedure

  1. Install the upper intake manifold. Notice: Refer to Fastener Notice in Service Precautions.
  2. Install the upper intake manifold bolts.
    • Tighten the upper intake bolts to 10 Nm (89 in. lbs.) .
  1. Install the throttle body support bracket.
  2. Install the throttle body cable.
  3. Install the cable bracket to the cylinder head mounting bolt.
  4. Install the EGR heat shield.
  5. Install the fuel rail.
  6. Install the manifold vacuum source.

  1. Connect the spark plug wire to the right side of the engine.
  2. Install the fuel injector sight shield. Install the air intake duct.
  3. Connect the negative battery cable.
Customer: replied 5 years ago.

If i try to do this myself what are the chances of messing up my car? I have never done something so involved.

Expert:  marcpod replied 5 years ago.
Well I will put this like this. if your not comfortable with this. Then let someone do this for you. I would suggest calling around for good reviews with a shop and getting some estimates. Here is another option you can call the dealer for their auto body shop and ask them to do this it will also save you some money and you will have a great warranty on it. It should save you about 35% on labor rate. Then ask for a discount.

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marcpod
marcpod
Own collision repair service
177 Satisfied Customers
i-car/Basf training, 300 repairs and 650,000 in Collision monthly/18 yrs exp/licensed adjuster