Exhaust Manifold Pipe Replacement - Rear

Exhaust Manifold Pipe Replacement Rear

Removal Procedure

Caution: Refer to Hot Exhaust System Caution in Service Precautions.

Caution: Refer to Exhaust Parts Removal Caution in Service Precautions.





1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the four nuts securing the catalytic converter to the exhaust manifold rear pipe.

Notice: Refer to Flex Decoupler Joint/Mounting Position Notice in Service Precautions.

3. Position the exhaust system rearward, enough to allow the studs located in the front of the catalytic converter to clear the exhaust manifold rear pipe.
4. Remove the catalytic converter gasket. Do not reuse the gasket.





5. Remove the two bolts (2) attaching the exhaust manifold rear pipe to the right exhaust manifold.
6. Remove the two bolts (3) securing the exhaust manifold rear pipe to the exhaust manifold front pipe.
7. Remove the exhaust manifold rear pipe and the gasket (1). Do not reuse the gasket.
8. Remove the exhaust manifold pipe seal (4) from the exhaust manifold front pipe. Do not reuse the seal.
9. Remove the exhaust manifold flange seal retainer (5).

Installation Procedure

Notice: Refer to Exhaust System Clearance Notice in Service Precautions.





1. Install the following components to the exhaust manifold rear pipe:
1.1. Position a NEW exhaust manifold pipe seal (4) and the exhaust manifold flange seal retainer (5) to the exhaust manifold rear pipe flange.
1.2. Insert the two retaining bolts (3) through the exhaust manifold rear pipe flange and into the exhaust manifold flange seal retainer (5).
1.3. Finger tighten the two retaining bolts (3) in order to retain the pipe seal (4) and retainer (5).
1.4. Position a NEW gasket (1) to the exhaust manifold rear pipe flange.
1.5. Insert the two retaining bolts (2) through the exhaust manifold rear pipe flange and into the gasket (1).
2. Insert the exhaust manifold rear pipe around the exhaust manifold front pipe and up to the right exhaust manifold.

Notice: Refer to Fastener Notice in Service Precautions.

3. Install the two bolts (2) attaching the exhaust manifold rear pipe to the right exhaust manifold.
3.1. Tighten the two right exhaust manifold rear pipe to right exhaust manifold bolts to 40 Nm (30 ft. lbs.).
3.2. Tighten the two left exhaust manifold rear pipe to exhaust manifold flange seal retainer bolts to 25 Nm (18 ft. lbs.).





4. Place a NEW catalytic converter gasket over the catalytic converter studs.

Notice: Refer to Flex Decoupler Joint/Mounting Position Notice in Service Precautions.

5. Position the catalytic converter to the exhaust manifold rear pipe.
6. Install the four nuts in order to secure the catalytic converter to the exhaust manifold rear pipe.
^ Tighten the catalytic converter nuts to 25 Nm (18 ft. lbs.).
7. Lower the vehicle.