Question about 1998 GMC Sierra

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How to time a 98 gmc sierra vortec 4.3 - 1998 GMC Sierra

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 72 Answers

SOURCE: need location of fuel pump relay on 98 gmc jimmy

In the Underhood Bussed Electrical Center

Posted on Jun 24, 2009

cooper0365
  • 347 Answers

SOURCE: location of crankshaft position sensor on 1999 gmc

passenger side behind the starter

Posted on Oct 01, 2009

hardinfarms
  • 144 Answers

SOURCE: hot do you take off a 98 GMC 5.7 vortec intake

Note, removing the upper intake manifold is not necessary when removing lower intake manifold, they are removed as an assembly.
Disconnect negative battery cable. Drain cooling system. Remove air cleaner assembly and inlet duct. Mark and remove distributor. Remove upper radiator hose at thermostat housing. Disconnect accelerator and cruise control cables. Remove heater hoses from intake manifold. Remove EGR pipe.
Disconnect fuel lines at rear of engine. Remove AC compressor and set aside(leave hoses connected). Remove canister purge solenoid. Disconnect theSCPI injector, ignition coil, Ignition Control Module, generator,IAC motor, TP sensor, O2 sensor, Exhaust Gas Recirculation valve and Engine Coolant Temperature sensor wiring harness connectors. Remove PCV valve and hose. Remove lower intake manifold bolts. Remove lower intake manifold.
Installation.
Always use New O-rings when reconnecting fuel lines at rear of engine. Apply a bead of RTV silicone sealer along the front and rear sealing surfaces of the block.See Fig.6. Install new gaskets and intake manifold on block while RTV is still wet to the touch. Use Threadlock 12345382 or equivalent to lower intake manifold bolts. Tighten lower intake manifold bolts in sequence to specification table. See fig. 7. To complete installation, reverse removal procedure.f52665d.gifabc2b5f.gif

Posted on Oct 11, 2009

  • 1986 Answers

SOURCE: Where is the oil pressure sensor located on a 2003

It is on the top backside of the engine block, behind the intake manifold mounted into the top of the block. You will have to lean up over the engine to see it.

Posted on Oct 30, 2009

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SOURCE: I need the firing order of 1996 gmc engine sierra

For the 1996 GMC SIERRA with 5.7L V8:

Firing Order:
1-8-4-3-6-5-7-2

Cylinders:
.........(back).........
|...8...|........|...7...|
|...6...|........|...5...|
|...4...|........|...3...|
|...2...|........|...1...|
.........(front)

Distributor Connections:
............(back)
Coil--->o
6------->o........o<-------5
4------->o........o<-------3
2------->o........o<-------7
8------->o........o<-------1
.............(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

Posted on May 31, 2010

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I need the firing order of 1996 gmc engine sierra 5.7liter vortec


For the 1996 GMC SIERRA with 5.7L V8:

Firing Order:
1-8-4-3-6-5-7-2

Cylinders:
.........(back).........
|...8...|........|...7...|
|...6...|........|...5...|
|...4...|........|...3...|
|...2...|........|...1...|
.........(front)

Distributor Connections:
............(back)
Coil--->o
6------->o........o<-------5
4------->o........o<-------3
2------->o........o<-------7
8------->o........o<-------1
.............(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

May 30, 2010 | 1996 GMC Sierra

1 Answer

I need the firing order for a 2003 vortec v6 engine GMC Sierra trucck


1-6-4-5-3-2

clockwise rotation

front - 2-4-6

rear 1-3-5

good luck!

Sep 01, 2009 | 2003 GMC Sierra

1 Answer

1998 GMC Sierra- runs rough then stalls when


had this problem on my neighbors 98 chevy truck with the same engine !!
it turnd out too be the fuel pressure regulator,you have too pull the upper intake too replace it!!

Jun 04, 2009 | 1998 GMC Sierra

1 Answer

Fuel Pressure


around 10 -14 psi i would go with on a 350 Gm Yep!

May 08, 2009 | 1999 Chevrolet Silverado 1500

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