Exhaust Manifold: Service and Repair

Exhaust Manifold Removal and Installation

Removal

WARNING: To avoid danger of being burned, do not service exhaust system while it is still hot. Service should be performed after system cools down.

1. Disconnect negative (-) cable at battery.
2. Remove engine hood.
3. Remove air cleaner assembly.
4. Disconnect ground wire (1) and remove exhaust manifold cover (2).





5. Remove right and left side engine under covers.
6. Remove exhaust No.1 pipe.
7. Support engine assembly by using chain hoist (1) and hook (2) as shown in figure.





8. Remove engine right mounting No.1 bracket and engine right mounting No.2 bracket.
9. Loosen exhaust manifold bolts and nuts in numerical order ("1" through "9") as shown in figure, and remove them.
10. Remove exhaust manifold (1), engine hook (2) and gasket from cylinder head.





Installation
1. Install new exhaust manifold gasket (1) to cylinder head.





2. Install exhaust manifold (1) and engine hook (2), and tighten exhaust manifold bolts and nuts to specified torque according to numerical order ("1" through "9") as shown as in figure.

Tightening torque
Exhaust manifold bolt a: Tighten 50 Nm (5.0 kgf-m, 36.5 ft. lbs.) by the specified procedure
Exhaust manifold nut b: Tighten 50 Nm (5.0 kgf-m, 36.5 ft. lbs.) by the specified procedure





3. Install engine right mounting No.1 bracket and engine right mounting No.2 bracket.
4. Install exhaust No. 1 pipe.
5. Install exhaust manifold cover (1) and connect ground wire (2).





6. Install air cleaner assembly.
7. Install right and left side engine under covers.
8. Install engine hood.
9. Connect negative (-) cable at battery.
10. Check exhaust system for exhaust gas leakage.