Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

EGR Thermo Valve (Federal Only)

Thermo Valve Location:





REMOVAL
CAUTION: The vacuum fittings on the valve are easily broken. Use care upon removal.
1. Drain approximately 1 gallon of coolant from the radiator drain plug.
2. Mark and remove the vacuum hoses from the valve.
3. Using a suitable socket, remove the valve.

INSTALLATION
1. Clean and dry the threads on the thermo valve and the thermostat housing.
2. Apply sealant to the threads of the thermo valve.

Specified sealant
3M NUT Locking Part No. 4171 or equivalent.

3. Install and torque the thermo valve.

Torque value
15 - 30 ft.lbs (20 - 40 N-m)

4. Reconnect the vacuum hoses.
5. Refill the cooling system and check for leaks.