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Vortec 1600 - Page 61

Vortec 1600
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Industrial 1.6L Engine Mechanical 1-39
Removal Procedure
9. Remove ground cable (2) from engine control unit.
10. Disconnect wiring harness plug (4) from oxygen sensor,
(5) throttle body, (7) camshaft sensor and injectors.
11. Detach wiring harness bracket (1) from intake manifold
and lay wiring harness aside.
12. Remove alternator support (3) from alternator and intake
manifold. Release alternator from alternator shackle (6)
and swing alternator rearward.
13. Detach coolant hose from intake manifold – place col-
lecting basin underneath.
14. Detach fuel lines from fuel distributor pipe. Unclip fuel
line from bracket and lay aside.
15. Remove intake manifold bolts.
16. Remove intake manifold, spacer, and gasket from
cylinder head.
Clean
Clean sealing surfaces and remove gasket remnants.
Installation Procedure
1. Attach inlet manifold amd spacer with new seal to
cylinder head.
Tighten
Tightening torque 22 Nm / 16 lb. ft.
2. Attach fuel line to fuel distributor pipe and clip in bracket.
3. Attach coolant hose to intake manifold.
4. Attach alternator to alternator shackle.
Tighten
Tightening torque 20 Nm / 15 lb. ft.
5. Attach alternator support to alternator and intake mani
fold.
Tighten
Tightening torque 20 Nm / 15 lb. ft.
6. Route wiring harness and attach wiring harness bracket
to intake manifold.
Tighten
Tightening torque 20 Nm / 15 lb. ft.
7. Connect wiring harness plug to injectors, camshaft sen-
sor, throttle body and oxygen sensor.

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