Contour V6-153 2.5L DOHC (1996)
19.
Remove the rear (right) catalyst/exhaust manifold from the vehicle.
20.
Remove exhaust manifold gasket.
21.
Remove air deflector from under the front bumper.
NOTE:
The exhaust manifold is attached to the engine with the studs and nuts. When removing the nuts, some studs will unscrew from the head.
22.
Remove the retaining nuts from the front (left) catalyst/exhaust manifold.
23.
Remove the front (left) catalyst/exhaust manifold from the vehicle.
24.
Remove exhaust manifold gasket.
Component Transfer
1.
Transfer the oxygen sensor from the old front (left) catalyst/exhaust manifold to the new catalyst/exhaust manifold.
2.
Tighten oxygen sensor to 35-46 N-m (26-34 lb/ft).
INSTALLATION
1.
Install any studs that unscrewed from the head.
2.
Position new manifold gaskets on both heads.
3.
Position new front (left) catalyst/exhaust manifold in the vehicle.
4.
Install new front (left) catalyst/exhaust manifold retaining nuts. Tighten the retaining nuts in sequence shown in Figure 2, to 18-22 N-m (13-16
lb/ft).
5.
Connect the front (left) oxygen sensor electrical connector.
6.
Install the air deflector.
7.
Position new rear (right) catalyst/exhaust manifold in the vehicle.
8.
Install new catalyst/exhaust manifold nuts. Do not final torque retaining nuts at the time.
9.
Lower the vehicle.
10.
Connect the EGR tube to the EGR valve. Do not final torque retaining nut at this time.