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Bob, Auto Tech
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Experience:  Plus 40 years GM, over 30 certified with Chevrolet, ASE certified Master Tech. (Expired, Retired)
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Diagram locating thermostat on 2001 Chevy Impala 3.4 L engin

Customer Question

I would like to view a diagram of a thermostat location for a 2001 Chevy Impala 3.4 L engine. I need to see location
Submitted: 10 years ago.
Category: Chevy
Expert:  Bob replied 10 years ago.
Document ID# XXXXX
2001 Chevrolet Impala

 

Engine Coolant Thermostat Replacement (3.4L)

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Remove the air cleaner intake duct.
  2. Partially drain the cooling system.
    Object Number: 70064  Size: SH

  3. Use the J 38185 in order to reposition the hose clamp from the water outlet housing.
  4. Remove the radiator inlet hose from the water outlet housing.
  5. Remove the exhaust crossover pipe.
    Object Number: 30962  Size: SH

  6. Remove the water outlet housing bolts.
  7. Remove the water outlet housing and the gasket.
    Object Number: 30995  Size: SH

  8. Remove the thermostat.
  9. Clean the water outlet mating surfaces.

Installation Procedure


    Object Number: 30995  Size: SH

  1. Install the thermostat.
    Object Number: 30962  Size: SH

  2. Install the water outlet gasket and housing.
    Object Number: 70064  Size: SH

    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 water outlet housing bolts.

    Tighten
    Tighten the water outlet housing bolts to 25 N·m (18 lb ft).

  4. Install the exhaust crossover pipe.
  5. Install the radiator inlet hose to the water outlet housing.
  6. Use the J 38185 in order to reposition and install the hose clamp to the water outlet housing.
  7. Install the air cleaner intake duct.
  8. Fill the cooling system.
  9. Inspect for leaks.

Document ID# XXXXX
2001 Chevrolet Impala

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