Timing Chain: Removal & Installation Chevrolet Prizm I

Removal

1. Disconnect the negative battery cable.
2. Drain the cooling system. (Scheme 7)
3. Remove the windshield washer fluid reservoir mounting bolt.
4. Disconnect the windshield washer pump connector.
5. Disconnect the windshield washer pump fluid line.
6. Plug the pump outlet Remove the windshield washer fluid reservoir.
7. Remove the accessory drive belt. (Scheme 8)
8. Remove the generator from the engine.
9. Install the engine support fixture. (Scheme 9)
10. Remove the following fasteners from the right side engine mount: The two nuts (3), The four bolts (1). (Scheme 10)
11. Loosen the A/C receiver pinch clamp.
12. Lift the A/C receiver in order to access the right side engine mount.
13. Remove the right side engine mount.
14. Remove the cylinder head cover.
15. Set the number one piston to the top dead center position. (Scheme 11)
16. Align the camshaft timing sprockets. (Scheme 21)
17. Disconnect the power steering oil pressure switch connector.
18. Raise and properly support the vehicle.
19. Remove the right side lower engine splash shield.
20. Remove the two power steering pump through bolts and the nuts (1). (Scheme 12)
21. Remove the power steering pump from the mounting surface.
22. Move the pump to the side.
23. Lubricate the front seal and the sealing surface of the crankshaft pulley with Chassis Grease GM P/N 1051344 or equivalent.
24. Install the crankshaft pulley onto the crankshaft indexing keyway. (Scheme 13)
25. Install the crankshaft pulley retaining bolt using J 8614-01 to prevent crankshaft rotation when tightening the bolt. Tighten the bolt to 142 N.m (105 lb ft)
26. Remove the following components: The crankshaft position sensor bolt (5), The sensor.
27. Lower the vehicle.
28. Remove the following components from the mounting surface: The drive belt tensioner bolt, The drive belt tensioner nut, The drive belt tensioner. (Scheme 14)
29. Remove the timing chain tensioner bolts (1, 2). (Scheme 15)
30. Remove the timing chain tensioner.
31. Remove the following fasteners: The timing chain cover bolts (1-14), The timing chain cover nut (15), Remove the timing chain cover. (Scheme 16)
32. Remove the crankshaft sensor reluctor (1). (Scheme 17)
33. Remove the following components: The timing chain dampener bolt (1), The timing chain dampener, The timing chain shoe bolts (2), The timing chain shoe. (Scheme 18)
34. Remove the following components: The crankshaft sprocket, The timing chain. (Scheme 19)

Scheme 7

Scheme 8

Scheme 9

Scheme 10

Scheme 11

Scheme 12

Scheme 13

Scheme 14

Scheme 15

Scheme 16

Scheme 17

Scheme 18

Scheme 19

Installation

1. Use a wrench in order to align the camshaft timing marks. Be sure to place the wrench on the hexagonal portion of the camshafts. (Scheme 20)
2. Turn the camshafts in order to align the timing marks. (Scheme 21)
3. Temporarily install the crankshaft bolt.
4. Turn the crankshaft until the crankshaft keyway (1) faces upward. (Scheme 22)
5. Install the following components: The timing chain (2), The crankshaft timing sprocket (Scheme 23)
6. Install the timing chain shoe. Secure the timing chain shoe using two bolts (1, 2). Tighten the timing chain shoe bolts to 10 N.m (89 lb in). (Scheme 24)
7. Install the timing chain (1) onto the camshafts timing sprockets (3). Ensure that the timing chain links are aligned with the timing marks. (Scheme 25)
8. Install the timing chain dampener. (Scheme 18) Secure the timing chain dampener using one bolt (1). Tighten the timing chain dampener bolt to 18 N.m (14 lb ft).
9. Install the crankshaft sensor reluctor (1) onto the crankshaft. Insure that the F on the reluctor is facing outward. (Scheme 17)
10. Apply a continuous bead of GM P/N 12346240 or an equivalent to the timing chain cover mating surface.
11. Install the timing chain cover. (Scheme 26) Use the following fasteners in order to secure the cover: Fifteen bolts (1-14), One nut (15) Tighten the timing chain cover nut and bolts (10 mm head) to 10 N.m (89 lb in). Tighten the timing chain cover nut and bolts (12 mm head) to 18 N.m (14 lb ft).
12. Use the following steps in order to install the timing chain tensioner: Fully depress the plunger (4) (Scheme 27) Apply the hook (2) to the pin (3) Install the timing chain tensioner
13. Install the timing chain tensioner. Secure the timing chain tensioner using two bolts (1). Tighten the timing chain tensioner bolts to 10 N.m(89 lb in). (Scheme 28)
14. Install the right side engine mounting bracket. Secure the bracket using three bolts. Tighten the engine mounting bracket bolts to 54 N.m (40 lb ft).
15. Install the drive belt tensioner. Secure the tensioner using one bolt and one nut. Tighten the bolt to 69 N.m (51 lb ft). Tighten the nut to 29 N.m (21 lb ft).
16. Raise the vehicle. Support the vehicle.
17. Install the crankshaft position sensor. Secure the sensor using one bolt (5). Tighten the crankshaft position sensor bolt to 12 N.m (106 lb in).
18. Install the crankshaft pulley. Secure the crankshaft pulley using one bolt. Tighten the crankshaft pulley to 142 N.m (105 lb ft).
19. Install the power steering pump.
20. Use the following fasteners in order to secure the power steering pump: Two bolts (1), Two nuts. Tighten the power steering pump bolts to 43 N.m (32 lb ft).
21. Install the right side lower engine splash shield.
22. Lower the vehicle.
23. Connect the power steering oil pressure switch connector.
24. Rotate the crankshaft clockwise one revolution. Ensure that the plunger on the timing chain tensioner has released. (Scheme 29) Complete the following steps if the plunger does not release: Use a screwdriver or your finger in order to press the timing chain dampener into the timing chain tensioner. Release the hook from the pin. Verify proper timing chain alignment after the plunger has released.
25. Install the cylinder head cover.
26. Install the right side engine mount.
27. Use the following fasteners in order to secure the mount: Three bolts (1), Two nuts (3) Tighten the right side engine mount bolts (1, 2, 4) to 54 N.m (40 lb ft). Tighten the right side engine insulator nuts (3) to 54 N.m (40 lb ft).
28. Lower the A/C receiver. Tighten the pinch clamp.
29. Remove the engine support fixture.
30. Install the generator.
31. Remove the plug from the windshield washer reservoir.
32. Connect the windshield washer fluid line.
33. Connect the windshield washer pump connector.
34. Install the windshield washer reservoir. Secure the reservoir using one bolt.
35. Fill the cooling system.
36. Connect the negative battery cable. Tighten the battery cable bolt to 15 N.m (11 lb ft).

Scheme 20

Scheme 21

Scheme 22

Scheme 23

Scheme 24

Scheme 25

Scheme 26

Scheme 27

Scheme 28

Scheme 29

Note. Ensure camshaft bearing caps stay in their original positions.

Remove timing chain, valve cover and camshaft sprockets. See TIMING CHAIN. Remove cam bearing cap bolts in sequence. see scheme 4 Remove camshafts.

Install camshafts into cylinder head. Install bearing caps, and tighten cap bolts in sequence to specification. see scheme 4 Also see TORQUE SPECIFICATIONS table. Install camshaft sprockets and bolts. Tighten bolts to specification. Install timing chain. See TIMING CHAIN.

Remove camshaft. See CAMSHAFT . Note location of adjusting shims and valve lifters for installation reference. Remove adjusting shims and valve lifters from cylinder head.

To install, reverse removal procedure. Ensure components are installed in original location. If camshaft, adjusting shims or valve lifters are replaced, check valve clearance. See VALVE CLEARANCE ADJUSTMENT under ADJUSTMENTS.

1. Remove transaxle. For A/T, see TRANSMISSION REMOVAL & INSTALLATION article in TRANSMISSION SERVICING. For M/T, see appropriate article in CLUTCHES. Place reference mark on crankshaft and flywheel/drive plate. Remove flywheel/drive plate.
2. Pry seal from seal retainer. DO NOT damage seal retainer or crankshaft.

Ensure all sealing surfaces are clean. Lubricate seal lip with grease. Using Handle (SST 09951-07100) and Seal Installer (SST 09223-15030), install oil seal until edge is flush with cylinder block. To install remaining components, reverse removal procedure. Ensure reference mark on flywheel/drive plate aligns with mark on crankshaft.