Skylark L4-138 2.3L DOHC VIN D MFI QUAD 4 (1989)
INSTALL OR CONNECT
1. Exhaust manifold and new gaskets.
2. Exhaust manifold to cylinder head retaining nuts (Item 160), follow the tightening sequence and tighten to 42 Nm (31 lbs. ft.).
Exhaust Manifold Brace
3. Exhaust manifold brace to manifold bolt and torque to 54 Nm (40 lbs. ft.).
4. Raise vehicle.
Exhaust Manifold To Pipe
5. Index exhaust manifold bolts into exhaust pipe flange.
6. Using a 5.5 mm (7/32") socket start both nuts. Rotate counterclockwise (as if loosening a right hand thread nut, or installing a nut with left hand
threads).
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Turn both nuts in evenly to avoid cocking the exhaust pipe and binding the nuts. Turn nuts in until fully seated.
7. Lower vehicle.
8. With a 13 mm wrench, tighten the manifold to exhaust pipe nuts to 26 Nm (19 lbs. ft.).
