Altima SE L4-2.4L (KA24DE) (1997)
Valve Guide: Service and Repair
REPLACEMENT
1. To remove valve guide, heat cylinder head to 120 to 140° C (248 to 284° F).
2. Drive out valve guide using a hammer and suitable tool or a press having a force of 20 kN (2 ton).
3. Ream cylinder head valve guide hole. Valve guide hole diameter (for service parts):
-
Intake and exhaust: 11.175 - 11.196 mm (0.4400 - 0.4408 inch).
4. Heat cylinder head to 120 to 140° C (248 to 284° F) and press service valve guide into cylinder head. Refer to the illustration, projection "L" is
13.3 - 13.9 mm (0.524 - 0.547 inch).