Cross-Under Pipe

CROSS-UNDER PIPE - 2.7L

REMOVAL

WARNING: THE NORMAL OPERATING TEMPERATURE OF THE EXHAUST SYSTEM IS VERY HIGH. THEREFORE, NEVER WORK AROUND OR ATTEMPT TO SERVICE ANY PART OF THE EXHAUST SYSTEM UNTIL IT IS COOLED. SPECIAL CARE SHOULD BE TAKEN WHEN WORKING NEAR THE CATALYTIC CONVERTER. THE TEMPERATURE OF THE CONVERTER RISES TO A HIGH LEVEL AFTER A SHORT PERIOD OF ENGINE OPERATION TIME.

1. Raise vehicle on hoist.
2. Disconnect downstream oxygen sensor connectors.
3. Remove oil pan to transmission structural collar.
4. Disconnect exhaust system pipe from cross-under pipe.





5. Remove fasteners attaching cross-under pipe to catalytic converters.
6. Remove cross-under pipe.

INSTALLATION





1. Install new gasket to lower part of rear catalytic converter. If installing new cross-under pipe, transfer oxygen sensors to new pipe.
2. Loosely install cross-under pipe to catalytic converters. Snug nuts up equally using hand pressure.
3. Tighten 2 nuts for cross-under pipe to rear catalytic converter to 28 Nm (250 inch lbs.).
4. Tighten 2 nuts for cross-under pipe to front catalytic converter to 28 Nm (250 inch lbs.).
5. Connect exhaust system pipe to cross-under pipe. Tighten attaching fasteners to 28 Nm (250 inch lbs.)
6. Install oil pan to transmission structural collar.
7. Reconnect downstream oxygen sensor connectors.
8. Lower vehicle.