Contour V6-153 2.5L DOHC (1996)
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Blockage may not be located in one spot as illustration shows. The blockage may be spread out across the entire substrate and it may be
necessary to make an estimate of blockages on the total substrate surface.
6.
Remove Y-pipe-to-both catalytic/exhaust manifold retaining nuts.
7.
Remove Y-pipe bracket retaining nuts, then remove the Y-pipe from the vehicle.
8.
Remove right wheelwell splash shield.
9.
Remove right driveshaft bearing support shield retaining nuts, then the shield.
10.
Remove right driveshaft bearing support bracket retaining bolts from the engine block. Disengage the bracket from the engine block only.
11.
Disconnect alternator electrical wiring.
12.
Remove the serpentine drive belt from the alternator pulley.
13.
Remove the alternator rear bracket retaining bolt.
14.
Remove the alternator mounting bolts, then position the alternator away from the catalyst/exhaust manifold.
15.
Remove the oxygen sensor from the rear (right) catalyst/exhaust manifold.
16.
Disconnect and discard both Differential Pressure Feedback EGR (DPFE) hoses.
17.
Remove the EGR tube from the rear (right) catalyst/exhaust manifold.
NOTE:
The exhaust manifold is attached to the engine with studs and nuts. When removing the nuts, some studs will unscrew from the head.
18.
Remove the retaining nuts from the rear (right) catalyst/exhaust manifold.
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 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 Nm (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.
