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No start in a parking lot. Could it be a/c compressor?

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Old 06-26-2014, 07:35 PM
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No start in a parking lot. Could it be a/c compressor?

Recently my vacuum pump started making horrible noises so I replaced it. Then a/c quit working and yesterday I noticed vacuum reservoir and a/c parts were all quite hot.
Tonight I stopped for some shopping for about 20mins. I got back to truck and started the engine. She started fine but after about 20 seconds she just abruptly died and now I have a no start.
When I turn the key it sounds like starter is doing its thing but engine won't catch. The a/c tubes and vacuum reservoir are very hot.

I'm working with an Edge Insight. I have no codes or CEL.
All filters and caps are correct and fluids are maintained.
For KOEO I get:
fuel pressure 65 psi
battery 12.6 volts
FICM 49.0 volts
IPR 14 %
ICP 0.2 volts
ICP 0 psi but climbs to 900+ during cranking.

For now i'll have AAA tow her home. Anything I should look at when I get there?
 
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Old 06-26-2014, 07:56 PM
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Just clarifying...the starter engages, and the engine turns over fast like normal, but engine does not start? If that's correct, it's not the A/C compressor.
 
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Old 06-26-2014, 07:58 PM
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What rpms do you get up to when cranking?
 
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Old 06-26-2014, 08:00 PM
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If you have tools with you take the belt off and give her a crank,if it starts,you found your problem
 
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Old 06-26-2014, 08:07 PM
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Engine does not turn over like normal. Doesn't turn over at all.

No tools to remove belt unfortunately.

Edge Insight measures rpm's around 100 - 140 while trying to crank.
 
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Old 06-26-2014, 08:20 PM
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Originally Posted by Per4mance
If you have tools with you take the belt off and give her a crank,if it starts,you found your problem
Originally Posted by Piolet
Engine does not turn over like normal. Doesn't turn over at all.

No tools to remove belt unfortunately.

Edge Insight measures rpm's around 100 - 140 while trying to crank.
Ahh ok, that clears things up. When you're able, do what Per4mance said...remove the belt and see if if starts. A/C compressor may have siezed up.
 
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Old 06-26-2014, 08:22 PM
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I will try that when I get home or in the morning.
 
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Old 06-26-2014, 08:22 PM
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My experience with the a/c compressor is the motor usually has enough power to move the belt around it running, but the starter will not have enough power to move the belt on startup, it wil sound like a mix between a hydrolocked motor and dead batteries. You don't need tools to remove the belt

Also did you smell burning rubber? Look around the alt and the pulleys to see if you see black soot from the belt burning up
 
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Old 06-26-2014, 08:28 PM
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Originally Posted by Piolet
When I turn the key it sounds like starter is doing its thing but engine won't reservoir are very hot.
This doesn't sound like the typical a/c compressor lock up scenario. So the starter is running normal rpms with a good cranking sound?
 
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Old 06-26-2014, 08:35 PM
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She's on the back of a flat bed right now. I'll take that belt off when I get home and see what happens I guess.
 
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Old 06-26-2014, 08:43 PM
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Originally Posted by Piolet
She's on the back of a flat bed right now. I'll take that belt off when I get home and see what happens I guess.
As long as it is not a Chevy or dodge.
 
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Old 06-26-2014, 08:52 PM
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Originally Posted by raptor131
This doesn't sound like the typical a/c compressor lock up scenario. So the starter is running normal rpms with a good cranking sound?
It does sound like it is. I'll keep my mind open to the fact that it could be the starter but it seemed strange that it started and then died after 20 - 30 seconds or so.
 
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Old 06-26-2014, 09:07 PM
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My experience with the a/c compressor locking up, guy pulled up truck running. Shut it off. Went to restart it, would turn over very slowly. Almost like the batteries were dead. pulled the serp belt . It started right up and idled perfect
 
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Old 06-27-2014, 12:23 AM
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Got the truck home with AAA. Tried to start her, same thing ... nothing.
Loosened the belt and she started up fine and idled perfectly.
Put the belt back on and she doesn't start again.
A/C compressor I guess. I'm off to check the piggy bank
 
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Old 06-27-2014, 12:32 AM
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Well with the Compressor dead.
Try and see if you can remove the clutch bolt
in the center of the compressor pulley. Try to
start and see what happens. So long at the compressor
idler bearing has not also bit it you should be able to run.

Sean
 


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