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Starter Problems


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dannyjoe
New User

Jul 7, 2012, 9:15 PM

Post #1 of 8 (3010 views)
Starter Problems Sign In

I have a 1996 GMC Jimmy the that is going through staters like crazy. I could use some help.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jul 7, 2012, 9:17 PM

Post #2 of 8 (3004 views)
Re: Starter Problems Sign In

What is happening to the starters?





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dannyjoe
New User

Jul 8, 2012, 7:52 PM

Post #3 of 8 (2961 views)
Re: Starter Problems Sign In

the stater has broke the head twice. the other ones the abendix would ingage but failed to turn the engine.


Tom Greenleaf
Ultimate Carjunky / Moderator
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Jul 9, 2012, 2:04 AM

Post #4 of 8 (2951 views)
Re: Starter Problems Sign In

What happened to the original starter. If it broke as in snapped the head of it the engine may be too hard to crank with results you are having. Can you turn this engine by crank bolt or is it so tight or already seized up?

T



Hammer Time
Ultimate Carjunky / Moderator
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Jul 9, 2012, 3:29 AM

Post #5 of 8 (2939 views)
Re: Starter Problems Sign In

Make sure you don't have any cracks in the distributor cap or anything else that could cause ignition crossfiring.

If the 8th digit of the VIN is "W", then you need to put a fuel pressure gauge on it and see if the rest pressure is leaking down. You could have a cylinder getting hydrolocked with leaking fuel from a bad injector or regulator.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Double J
Veteran / Moderator
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Jul 9, 2012, 7:30 PM

Post #6 of 8 (2921 views)
Re: Starter Problems Sign In

There is also this TSB that MAY apply...

#00-06-04-014: No/Hard/Slow Start,

Backfire/Kickback (Replace Crankshaft Position

Sensor) - (Mar 28, 2000)

Subject: No, Hard, or Slow Start, Backfire or "Kickback" During

Crank/Start, "Grinding" or Unusual Noises During Crank,

DTC P0338 (Replace Crankshaft Position Sensor)

Models: 1999-2000 Cadillac Escalade

1995-2000 Chevrolet and GMC S/T Models

1996-2000 Chevrolet and GMC C/K, M/L , G, P Models

1996-2000 Oldsmobile Bravada

with 4.3 L, 5.0 L, 5.7 L or 7.4 L Engine (VINs W, X, M, R, J -- RPOs L35,

LF6, L30, L31, L29)

Condition

Some customers may comment on one or more of the following conditions:

• Backfire during crank/start

• "Kickback" during crank/start

• "No" start

• "Slow" or "hard" start/crank

• "Grinding" or unusual noises during crank/start

• Cracked or broken engine block at the starter boss

• Broken starter drive housing

• Broken starter ring gear on flywheel

• Any combination of the above

Cause

A condition may exist that allows the crankshaft position sensor to command up to 50 extra

degrees of spark advance during engine cranking only. This in turn exposes the engine to

higher than normal cylinder pressures which may result in an inoperative condition to the

starter drive housing, the engine flywheel starter ring gear, or the engine block at the outside

edge of the starter boss.

Correction

Inspect for a stored powertrain DTC code P0338. This DTC will NOT illuminate the "Service

Engine Soon" light. If this code is stored, the Crankshaft Position Sensor, P/N 10456607, MUST

be replaced and the remaining components inspected for damage (engine block at the starter

boss, the starter drive housing, and the engine flywheel starter ring gear).

Notice: When DTC code P0338 is set, failure to replace the Crankshaft Position Sensor could

result in repeated inoperative conditions of the starter or flywheel.

Important: Some flywheel wear is normal; broken or missing teeth and/or cracks, are not

normal.

Parts Information

Parts are currently available from GMSPO.




Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 10, 2012, 3:29 AM

Post #7 of 8 (2911 views)
Re: Starter Problems Sign In

Wow, that's interesting



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jul 10, 2012, 3:54 AM

Post #8 of 8 (2907 views)
Re: Starter Problems Sign In

Have heard of this but not witnessed. At another location a person stated a chunk of engine block broke right off! 1-2-3 == monster troubles!

T







 
 
 






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