Ranger 4WD V6-177 2.9L (1988)
Throttle Body: Service and Repair
REMOVAL
1.
Disconnect throttle positions sensor electrical connector.
2.
Remove air inlet duct.
3.
Remove the snow/ice shield and disconnect throttle cable from ball stud.
4.
Disconnect air bypass hose, canister purge hose from the fittings beneath the throttle body and the PCV closure hose.
5.
Remove four screws retaining throttle body to upper intake manifold.
6.
Carefully separate air throttle body from upper intake manifold.
7.
Remove and discard gasket between throttle body and upper intake manifold.
INSTALLATION
1.
Ensure that both the throttle body and upper intake manifold gasket surfaces are clean.
NOTE:
If scraping is necessary, make sure not to damage gasket surfaces of the upper manifold assembly, the throttle body surgaces, or allow material
to drop into the manifold.
2.
Install throttle body gasket on two screws installed in the throttle body.
3.
On upper intake manifold, install throttle body.
4.
Secure throttle body assembly to upper intake manifold with two remaining screws.
5.
Connect throttle position sensor electrical connector.
6.
Connect air cleaner bypass valve hose and vacuum hose.
