GMC Repair: Intake Manifold, negative battery cable, gasket surfaces

Question
QUESTION: How do i change the intake manifold on a 1996 GMC Jimmy SLT?
ANSWER: Hi
Upper or lower intake? Exactly what type of advise would you like,  Step by step? It will be hard to give you exact instructions. It is a pretty labor intensive job that will take many different tools. Please let me know exactly what you want.
Thanks
Paul

---------- FOLLOW-UP ----------

QUESTION: How do i change the lower intake manifold on a 1996 GMC Jimmy SLT? The best instructions you can give would help!


Answer
Remove or disconnect-
1)Negative battery cable.
2)Drain the cooling system.
3)Air cleaner intake duct.
4)Wiring harness connectors and brackets.
5)Throttle linkage and bracket.
6)Fuel lines and bracket at the rear of the lower intake manifold.
7)Vacuum hoses to upper and lower intake manifolds.
8)Distributor. Mark the housing and rotor positions for proper reassembly.
9)Upper radiator hose at the thermostat housing.
10)Heater hoses at the lower intake manifold.
11)Wiring harness and brackets.
12)Transmission oil level indicator and tube (automatic transmissions only).
13)Air conditioning compressor and bracket.
14)EGR tube, clamp, and bolt.
15)Alternator bracket bolt next to the thermostat housing.
16)Lower intake manifold bolts and manifold.
17)Clean gasket surfaces, carbon buildup and deposits from EGR and exhaust passages. Also, scale and deposits from coolant passages.
18)Inspect manifold for cracks, broken flanges and gasket surface damage.

INSTALL OR CONNECT


1)Gaskets onto the cylinder head with the port blocking plates facing the rear of the engine and the "This Side Up" stamping facing up.
2)Apply a 5 mm (1/4 inch) thick bead of Wacker T-330 RTV, GM P/N 12346192 to the front and rear sealing areas of the engine block and intake manifold. Extend the RTV bead 13 mm (0.499 inch) up the cylinder head in order to seal and retain the gaskets.
3)Lower intake manifold to the engine and apply sealer to the lower intake manifold bolts.
4)Install the lower intake manifold bolts. Tighten bolts in sequence and in three steps:
First sequence to 3 Nm (27 in lbs) .
Second sequence to 12 Nm (106 in lbs) .
Final sequence to 15 Nm (11 ft lbs) .
5)Alternator bracket bolt next to the thermostat housing.
6)EGR tube, clamp, and bolt.
7)Air conditioning compressor and bracket.
8)Transmission oil level indicator and tube (automatic transmissions only).
9)Wiring harness and brackets.
10)Heater hoses at the lower intake manifold.
11)Upper radiator hose at the thermostat housing.
12)Distributor. Noting the housing and rotor positions as marked during disassembly.
13)Vacuum hoses to upper and lower intake manifolds.
14)Fuel lines and bracket at the rear of the lower intake manifold.
15)Throttle linkage and bracket.
16)Wiring harness connectors and brackets.
17)Air cleaner intake duct.
18)Fill and recheck the coolant level.
19)Negative battery cable.
Inspect for leaks:
Turn the ignition switch to the "ON" position for 2 seconds.
Turn the ignition switch to the "OFF" for 10 seconds.
Turn the ignition switch to the "ON" position.
Check for fuel leaks.

There is the PUBLISHED instructions.
My advise would be to get a manual from your local auto parts store that has manauals, for more detailed instructions and illustrations.
This is published instructions, not mine. I cannot be held liable or accountable for mistakes made.
Good Luck.
This is JUST advise from published diagnostics and experience.
Please consult a local repair shop your familiar with for proper repairs.