Piston Pin Removal And Piston Pin Replace; Engine Assembly - Pontiac TRANS AM 1977 Service Manual

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3 5 0 AND 4 0 3 ENGINE
6A4-29
12. Check centering of Piston Pin in connecting rod and
piston. If pin is not centered, adjust Threaded Plug up or
down to obtain proper center.
C A UTI 0 N
:
Support for connecting rod at crank
journal area is an assembly aid only. There should
be 1/32" clearance between top of support and
connecting rod during installation process. If
support is too high, misalignment of Piston Pin to
Piston Pin Guide may result.
Fig. 6A4-78
Piston Pin Removal and Piston Pin Replace
10. Remove engine mount bolts or nuts.
11. Remove three bolts, transmission to engine on the
right side. Remove starter with wires attached. then support
the starter with the frame.
12. Lower car. Secure lift chain to engine. (Fig. 6A4-79)
13. Place board on top of jack and slightly raise
transmission. Remove three left transmission to engine bolts.
Remove engine.
ENGINE ASSEMBLY
Removal
1. Drain cooling system.
2. Remove air cleaner and hot air pipe.
3. Remove hood from hinges, mark hood for reassembly.
4. Disconnect battery negative cable at battery and
ground wire at inner fender panel. Disconnect engine ground
strap, right head to cowl.
5. Disconnect radiator hoses, automatic transmission
cooler lines, heater hoses, vacuum hoses, power steering hose
bracket from engine, air conditioning compressor with
brackets and hoses attached, fuel hose from fuel line, wiring
and throttle cable.
6. Remove upper radiator support and radiator.
7. Raise car.
8. Disconnect exhaust pipes at manifold.
9. Remove torque converter cover and three bolts
holding converter to flywheel.
14. If car is to be moved, install converter holding tool
J-2 1654 and support transmission with chain support.
Installation
1. Fasten chain to engine.
2. Install engine in place. Locate engine dowels into
transmission and position through bolts into mounts and
tighten. Install three left transmission to engine bolts.
Remove support chains and jack.
3. Raise car. Replace three bolts, transmission to engine
on the right side. Replace starter and attaching bolts.
4. Install three converter to flywheel bolts and torque
converter cover.
5. Connect exhaust pipes and lower car.
6. Install radiator and upper radiator support.
7. Connect radiator hoses, automatic transmission cooler
lines, heater hoses, vacuum hoses, power steering pump hoses
at pump, power steering hose bracket to engine, air
conditioning compressor, fuel hose to fuel line wiring and
accelerator linkage.
8. Install air cleaner and hot air pipe.

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Firebird 1977

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