Piston assemblies

Piston assemblies

$% 12.17.02.01

Disassembly

1. Remove cylinder head. ENGINE - V8, OVERHAUL, Gasket - cylinder head.
2. Remove oil pick-up strainer ENGINE - V8, OVERHAUL, Strainer - oil pick-up.

3. Suitably identify each connecting rod and piston assembly to its respective cylinder bore.
4. Remove 2 bolts securing each connecting rod bearing cap.
5. Remove connecting rod bearing cap and collect connecting rod bearings.
6. Remove ridge of carbon from top of cylinder bores.
7. Carefully push each piston assembly from the top of the cylinder.

CAUTION: Ensure that connecting rods do not contact cylinder bores.

8. Refit bearing cap onto connecting rod, lightly tighten dowel bolts.
9. Suitably identify each piston to its respective connecting rod.

10. Position body of tool LRT-12-013 in vice.
11. Screw large nut back until flush with end of centre screw.
12. Push centre screw forward until nut contacts thrust race.
13. Fit piston adapter tool LRT-12-126/2 .
14. Position guide pin tool LRT-12-126/3 in LRT- 12-126/2 with groove facing away from piston.
15. Locate piston and connecting rod assembly on centre screw and up to adapter tool LRT-12- 126/2.
16. Fit remover/replacer bush tool LRT-12-126/1 on centre screw with flanged end facing away from gudgeon pin.
17. Screw stop nut onto centre screw leaving clearance of 3 mm (0.125 in), dimension 'A', between nut and remover/replacer bush.
18. Lock the stop nut securely with lock screw.
19. Push connecting rod to locate end of gudgeon pin in adapter tool LRT-12-126/2.
20. Ensure remover/replacer is located in gudgeon pin bore of piston.
21. Screw large nut up to tool LRT-12-013.
22. Hold lock nut and turn large nut until gudgeon pin is withdrawn from piston.
23. Dismantle tool and remove piston, connecting rod and gudgeon pin.