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Compressor vacuumed entire electric system failed

Tiny
ANDREWSPEACH
  • MEMBER
  • 1997 PONTIAC TRANSPORT
  • 120,000 MILES
Had ac compressor vacuumed out, immediately afterward, the entire electric system failed. Van will turn over but won't start. Going to Atlanta help!

We did a complete tune up. Oil change. Trans fluid. Radiator flush. Rotate & balance.
Get ac compressor vac'd out, as we leave the electric system immediately started failing. Help! I have had the battery & alternator checked they are both fine. Ok :

New battery, alternator, ac compressor. Why is my electric system not working? No dash lights, tail-lights, when ac comes on all power shuts off. Now van won't start at all. Pls help! I just spent all my gas $ to go to Ga with fixing it.
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Saturday, July 7th, 2012 AT 3:19 AM

16 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Start with the battery to see if you have good contact at the cables. Use a volt meter to measure the voltage. Should be 12 to 12.5 volts.

Roy
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Saturday, July 7th, 2012 AT 2:45 PM
Tiny
ANDREWSPEACH
  • MEMBER
  • 19 POSTS
Battery & alternator test came out fine.
New battery, new alternator, new ac compressor, new crank shaft position sensor. Just changed the fuel filter still having same problems. I have to leave for Ga n 4 days & have spent all my & working on the van. I don't know what else to do
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Saturday, July 7th, 2012 AT 3:23 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Once again, check the voltage and the connections and get back to us with the results.

Roy
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Saturday, July 7th, 2012 AT 3:40 PM
Tiny
ANDREWSPEACH
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  • 19 POSTS
Ok I asked him he said on the battery & alternator test came out reading fine. He cleaned and changed all battery clamps this morning b4 I got up. What else can I tell him.
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Saturday, July 7th, 2012 AT 3:49 PM
Tiny
ASEMASTER6371
  • MECHANIC
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What is the voltage on the battery? This is critical to know if you have sufficient voltage for the car to operate. Without it, it explains the symtoms you have. We start at basics.

Roy
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Saturday, July 7th, 2012 AT 3:56 PM
Tiny
ANDREWSPEACH
  • MEMBER
  • 19 POSTS
12v batt
14 alternator
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Saturday, July 7th, 2012 AT 4:14 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
14 at alternator? Is it running? Thats a running voltage.

Check down at the starter motor for a fusible link that may be broken causing no power to the inside.

Roy
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Saturday, July 7th, 2012 AT 4:26 PM
Tiny
ANDREWSPEACH
  • MEMBER
  • 19 POSTS
Yeah I think I'll ask
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Saturday, July 7th, 2012 AT 4:32 PM
Tiny
ANDREWSPEACH
  • MEMBER
  • 19 POSTS
Yeah running. Both battery & alternator are new. Bought both in April 3 mis ago. They tested them where we bought them at. Took to the mechanic shop 4n3 days they all said both tested fine. So idk what else could be wrong
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Saturday, July 7th, 2012 AT 4:36 PM
Tiny
ANDREWSPEACH
  • MEMBER
  • 19 POSTS
They just didn't do a drain test on alternator according to my husband.
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Saturday, July 7th, 2012 AT 4:44 PM
Tiny
ASEMASTER6371
  • MECHANIC
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Check the ignition switch

Roy
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Saturday, July 7th, 2012 AT 4:45 PM
Tiny
ANDREWSPEACH
  • MEMBER
  • 19 POSTS
For? What would I be looking for?
Obtw, where is the starter @?
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Saturday, July 7th, 2012 AT 4:59 PM
Tiny
ANDREWSPEACH
  • MEMBER
  • 19 POSTS
Ok that's fine
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Saturday, July 7th, 2012 AT 6:32 PM
Tiny
ANDREWSPEACH
  • MEMBER
  • 19 POSTS
He wants to know can the crank shaft position sensor cause the van not to run? Will crank but not turn over enough to stay running
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Saturday, July 7th, 2012 AT 6:34 PM
Tiny
ASEMASTER6371
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Confused here. Original post says does not run, then it is running down the post, now it is not running again? Which is it?

Yes, the crank sensor will cause it not to run but has nothing to do with your other issues.

Roy
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Sunday, July 8th, 2012 AT 5:35 PM
Tiny
ANDREWSPEACH
  • MEMBER
  • 19 POSTS
It would turn over but not stay running, let me put it that way. Past that. Just replaced the um camshaft sensor, fired right up, took it up the road& it died now there's no fire nor spark What could be wrong now? Coil pack?
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Sunday, July 8th, 2012 AT 10:29 PM

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