Question about 1989 GMC C1500

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89 gmc i need to find the timing degrees for my 1989 gmc c1500 5.7

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I time these engines at 4 to 6 degrees BTDC. If there is timing chain wear or if it has higher mileage, I go to 8 BTDC. The extra degrees help with the timing chain stretch.

Posted on Jun 20, 2008

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Would like to have torque specs chart please?


Hi there, the following information are for a 2004 Grand Am 2.2L, I hope it helps:

--------------------------------------------------------------------------
Timing Chain, Sprockets, and/or Tensioner Replacement
--------------------------------------------------------------------------
Tighten the chain guide bolts to 10 N·m (89 lb in).
Tighten the chain tensioner bolts to 10 N·m (89 lb in).
Tighten the oil nozzle bolt to 10 N·m (89 lb in).
Timing chain tensioner guide bolt to 10 N·m (89 lb in).
Timing chain bolts to 10 N·m (89 lb in).
Chain guide plug to 90 N·m (66 lb ft).
Timing chain upper guide bolts to 10 N·m (89 lb in).
Timing chain tensioner to 75 N·m (55 lb ft).
Camshaft bolts to 85 N·m (63 lb ft) plus 30 degrees.
-------------------------------------------------------------------------
Intake Manifold Replacement
-------------------------------------------------------------------------
Manifold Nuts and Bolts: 10 N·m (89 lb in).

Aug 30, 2014 | 2004 Pontiac Grand Am

1 Answer

Need tune specs on '89 5.7 GMC


Spark plugs are set at 0.035 inch.
Ignition timing is set at 0 degrees BTDC. The computer then controls the timing from there. There will be a wire that you unplug before you set the timing, then once you have verified that the timing is at 0 degrees, then reconnect the wire and you're done.

Apr 22, 2014 | 1989 GMC K1500

1 Answer

89 gmc f150 v6 chugging out like its gona die


F150 is a Ford model truck, not GMC.
But at any rate, since I don't know if you have a Ford F150 of some kind, a 87 GMC S15 or some kind of 89 GMC with a V6 I will suggest taking the ignition module to an Auto Zone and having them test it (A free service). Also test the fuel pressure.
If a tune up and fuel filter has not been done in some time that could very well be an issue.

Sep 25, 2011 | 1987 GMC S-15 Pickup

2 Answers

I need rocker torque for 2003 pontiac with 3.1liter


Left side:

To install:
  1. Lubricate all the valvetrain components with engine oil.
  2. Install or connect the following:
    • Pushrods and the rocker arms and tighten the bolts to 14 ft. lbs. (19 Nm) plus 30 degrees
    • Rocker arm cover using a new gasket and tighten the rocker cover bolts to 89 inch lbs. (10 Nm)
    • PCV valve to the rocker arm cover
    • Coolant tube with the thermostat bypass hose and tighten the bolt to 98 inch lbs. (11 Nm) and the nut to 18 ft. lbs. (25 Nm)
    • AIR check valve pipe and torque the adapters to 22 ft. lbs. (30 Nm)
    • Engine mount strut and torque the bolt to 35 ft. lbs. (48 Nm)
    • Spark plug wires
    • Negative battery cable
Right side:

To install:
  1. Lubricate all the valve train components with engine oil.
  2. Install or connect the following:
    • Pushrods and the rocker arms and tighten the bolts to 14 ft. lbs. (19 Nm) plus 30 degrees
    • Rocker arm cover using a new gasket and tighten the rocker cover bolts to 89 inch lbs. (10 Nm)
    • Power brake booster vacuum pipe to the plenum
    • EVAP solenoid and ignition coil assembly
    • Spark plug wires
    • Alternator bracket and torque the bolts to 37 ft. lbs. (50 Nm)
    • Alternator and torque the bolts to 37 ft. lbs. (50 Nm)
    • Accessory drive belt
    • Negative battery cable
  3. Start the vehicle and verify no leaks.

Feb 06, 2010 | 2003 Pontiac Grand Prix

1 Answer

I need timing settings for Golf 1.6 carb 2000 model. the engine code is HM. Can you confirm if it is 6 degrees or 18 degrees.


For VW Golf Eng.code HM 1.6 1985-89 year is 6/950 rpm without vacuum & basic timing-BTDC. This is on sea level.

Dec 07, 2009 | 2000 Volkswagen Golf

1 Answer

89 gmc lost power and egine light came on now it


Possible timing chain, but...see if you still have spark and fuel first.

Nov 08, 2009 | 1987 GMC V1500

1 Answer

Over heating 89 gmc S15 4x4 4.3


do you hear the converter rattling?? and you can start the truck and feel the end of the exhaust and see if it feels like it is blowing the exhaust out

Apr 15, 2009 | 1998 GMC Jimmy

2 Answers

1995 GMC Sierra


Just a thought, have you checked yout TPS(throttle position sensor)? I had similar problems with my 89 GMC Jimmy 4.3l, however a code 44 is strange. Also check to see if your problems go away if you advance the timing a few degree's.

Hope this helps

Jun 15, 2008 | 1995 GMC Sierra

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