Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 561 (AUTOMATIC TRANSAXLE - 4T65-E (INTRODUCTION, SERVICE & REPLACEMENT))REPAIR INSTRUCTIONSTHERMO ELEMENT REPLACEMENTINSTALLATION PROCEDURE

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8

Installation Procedure

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Installing Thermo Element Plate

Courtesy of GENERAL MOTORS CORP.

Use the J 34094-A to set the middle thermo pin (123). See Special Tools and Equipment .
Install the new thermo element plate (122).
Install the pin and washer (120).
Use the J 34094-A to set the height of the pin and washer (120) furthest from the accumulator. See Special Tools and Equipment .
Use the J 34094-A to set the height of the second pin and washer (120). See Special Tools and Equipment .

Fig 2: View Of Thermo Element & Plate

Courtesy of GENERAL MOTORS CORP.

Carefully install the thermo element (121) between the two pin and washers (120). The V in the thermo element (121) must contact the thermo element plate (122).
Install the oil pan. Refer to Oil Pan Replacement .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.