Chevrolet 1980 Light Duty Truck Service Manual page 483

4. Remove grille, upper radiator support and lower
grille valance.
5. Disconnect radiator hoses at radiator.
• If equipped with automatic transmission, remove
cooler lines from radiator.
• If equipped with A/C, evacuate system and remove
condenser. Remove A/C vacuum reservoir.
6. Remove washer jar and bracket.
7. Remove radiator to radiator support attaching
brackets and remove radiator and shroud.
8. If equipped with P/S, remove pump and lay aside.
9. Remove engine cover.
10. Remove air cleaner air stove pipe.
11. Remove accelerator cable from carburetor and
remove carburetor.
12. Disconnect engine wiring harness from connection
on firewall.
13. Disconnect heater hoses at engine.
14. Remove thermostat housing.
15. Remove oil fill pipe.
16. If equipped with cruise control, remove servo and
bracket and transducer.
17. Raise vehicle.
18. Disconnect exhaust pipe from exhaust manifold
flanges.
19. Remove propshaft; plug transmission end.
20. Disconnect transmission
speedometer cable.
21. Disconnect fuel hose from fuel pump.
22. Remove transmission mount bolts.
23. Remove engine mount bracket to frame bolts.
24. Drain crankcase.
25. Remove engine mount "through" bolts.
26. Raise engine slightly and remove engine mounts.
Block up engine with wood between oil pan and
crossmember.
27. Lower vehicle and install lifting tool.
28. Remove engine/transmission assembly.
Installation ("G" Van/C ode U, L & R Engines)
1. Place engine/transmission assembly into vehicle.
Support engine with blocks of wood between the oil pan and
crossmembers.
2. Raise vehicle and install engine mounts. Retain by
inserting engine mount "through" bolts.
3. Raise engine slightly, remove wooden blocks and
lower engine onto mounts.
4. Install engine mount bracket to frame bolts. Torque
to specifications.
5. Install transmission mount bolts. Torque to
specifications.
6. Connect fuel tank line and return line to fuel pump.
7. Connect transmission shift linkage and speedometer
cable.
8. Install propshaft.
9. Connect exhaust pipe to exhaust manifold flanges.
10. Lower vehicle.
11. Connect heater hoses.
12. Connect engine wiring harness.
accelerator cable.
attaching brackets.
cooler lines to radiator.
support.
hosing and charge system.
ignition timing and adjust carburetor if necessary.
Removal (CK Series/Code U, L & R Engines)
engine.
shift linkage and
cooler lines at radiator.
if so equipped, from carburetor.
and lay aside.
engine and lay aside.
flanges.
strut rods at motor mounts.
applicable.
convertor to flex plate attaching bolts.
SMALL BLOCK
13. Using a new gasket, install carburetor. Connect
14. Install radiator. Install radiator to radiator support
• If equipped with automatic transmission, connect
• If equipped with A/C, install condenser to radiator
15. Connect radiator hoses to radiator.
16. Install grille cross brace and grille.
17. Fill cooling system.
18. Fill crankcase with oil.
• If equipped with A/C, mount compressor, connect
19. Connect battery cables and start engine. Check
20. Install air cleaner and engine cover.
1. Disconnect battery cables at battery.
2. Drain cooling system.
3. Remove air cleaner.
4. Remove all accessory drive belts.
5. Remove fan and water pump pulley.
6. Disconnect upper and lower radiator hoses at
7. Disconnect heater hoses at engine.
• If equipped with automatic transmission, disconnect
8. Remove radiator and shroud.
9. Disconnect accelerator linkage and detent linkage,
10. If A/C equipped, remove compressor from engine
11. If power steering equipped, remove pump from
12. Remove engine wiring harness from engine.
13. Disconnect fuel line at fuel pump.
14. Disconnect all vacuum lines from intake manifold.
15. Raise vehicle.
16. Drain crankcase.
17. Disconnect exhaust pipe from exhaust manifold
• 'K ' models with automatic transmission, remove
18. Remove flywheel or convertor splash shield, as
19. Disconnect wiring along right pan rail.
20. Disconnect wiring at starter and remove starter.
21. Disconnect wiring for gas gage.
22. If equipped with automatic transmission, remove
23. Support transmission.
24. Remove bell housing to engine retaining bolts.
25. Remove lower engine mount bracket to frame bolts.
26. Lower vehicle.
27. Remove vehicle hood.
28. Attach engine lifting device.
29. Remove engine.
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LIG H T T R U C K SER V IC E M ANUAL