RAM 3500 Truck 2WD V10-8.0L VIN W MDC (1999)
Throttle Body: Service and Repair
A (factory adjusted) set screw is used to mechanically limit the position of the throttle body throttle plate. Never attempt to adjust the engine idle
speed using this screw. All idle speed functions are controlled by the powertrain control module (PCM).
REMOVAL
1. Remove the air cleaner cover.
2. Remove the 4 air cleaner housing mounting nuts and remove housing from throttle body
3. Disconnect throttle body electrical connectors at the IAC motor and TPS.
4. Remove all control cables from throttle body (lever) arm. Refer to the Accelerator Pedal and Throttle Cable for additional information.
Throttle Body Mounting Nuts
5. Remove four throttle body mounting nuts.
6. Remove throttle body from intake manifold.
7. Discard old throttle body-to-intake manifold gasket.
INSTALLATION
1. Clean the mating surfaces of the throttle body and the intake manifold.
2. Install new throttle body-to-intake manifold gasket.
3. Install throttle body to intake manifold.
4. Install four mounting nuts. tighten nuts to 22 Nm (192 in. lbs.) torque.
5. Install control cables.
6. Install electrical connectors.
7. Install air cleaner housing to throttle body.
8. Install 4 air cleaner housing mounting nuts. Tighten nuts to 11 Nm (96 in. lbs.) torque.
9. Install air cleaner housing cover.
