Nissan 240SX, Altima Repair Manual 1993-1998

This Chilton DIY repair manual, covers 1993-1998 Nissan 240SX, Altima cars, U.S. and Canadian versions. These vehicles are powered by four-cylinder, 2.4L DOHC gasoline fuel-injected (MFI) engines.
Book Excerpt: 1993-1998 Nissan 240SX, Nissan Altima Repair Manual ENGINE AND ENGINE OVERHAUL

CAMSHAFT, BEARINGS AND LIFTERS REMOVAL AND INSTALLATION
(See figures 99, 100, 101, 102 and 103)

1. Rotate the engine so that the No. 1 cylinder is at TDC on the compression stroke.
2. Remove the distributer assembly.
3. Remove the cylinder head cover.
4. Remove the camshaft sprocket cover.
5. Remove the upper chain guides and timing chain tensioner.
6. Using a piece of mechanic???s wire, secure the chain tom the sprocket so the chain will not fall during sprocket removal.
7. Hold the flats of the camshaft with a wrench just behind the first camshaft bearing cap. Loosen and remove the camshaft sprocket bolts.
8. Remove the camshaft sprockets. The stopper on the camshaft sprocket cover prevents the timing chain from disengaging the idler sprocket.
9. remove the camshaft bearing caps in reverse order of the tightening sequence, then remove the camshafts.
10. Remove the valve lifter adjusting shims from the tops of the lifters.
11. Remove the valve lifters from the bores in the cylinder heads.
NOTE: Be sure to note the location and positioning of each valve train component. Install all valve train components in their original positions. TO INSTALL When installing the valve train components, apply a coating of clean engine oil to the component.
12. Install the lifters into the lifter bores from which they were removed.
13. Install the valve shims to the lifters from which they came.
14. Install the camshafts in the same position as before removal, then install the camshaft bearing caps; tighten the cap bolts in proper sequence as follows:
1. Tighten all bolts to 17 inch lbs. (2 Nm).
2. Tighten all bolts to 81-104 inch lbs. (9-12 Nm).

NOTE: When installing the timing chain sprockets, align the marks on the sprockets with the colored links of the chain.
15. Install the camshaft sprockets (with the timing chain attached) and tighten the sprocket bolts to 123-130 ft. lbs. (167-177 Nm). Hold the flats of the camshaft with a wrench, just behind the first camshaft bearing cap while tightening.
16. Install the chain guide between both camshaft sprockets.
17. Install the camshaft sprocket cover.
18. Install the cylinder head cover.
19. Install the distributer assembly.

Subject: 1993, 1994, 1995, 1996, 1997, 1998 Nissan 240SX, Altima service, maintenance, repair. ISBN-10: 0801989701 | ISBN-13: 9780801989704 | Chilton 52752