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expansion valve (a/c)

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Old Jul 10, 2008 | 07:21 PM
  #11  
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Default RE: expansion valve (a/c)

Well the cable was probably disconnected when the valve happened to be half open. Is a the cable mechanism broken?
 
Old Jul 10, 2008 | 07:27 PM
  #12  
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Default RE: expansion valve (a/c)

ORIGINAL: mk378

No. They have nothing to do with each other.

It's also hard to tell what the expansion valve is actually doing if you also think the compressor may be bad.

Does the line under the hood get cold?
yea, firestone told me the expansion valve was bad. probably just trying to get money from me because they know it's a PITA and behind the dash. i'm a DIYer though and they aren't getting a cent from me except for the A/C inspection. the line under the hood gets cool but not cold.
 
Old Jul 10, 2008 | 07:28 PM
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Default RE: expansion valve (a/c)


ORIGINAL: RonJ

Well the cable was probably disconnected when the valve happened to be half open. Is a the cable mechanism broken?
no, it's not broken. i must have knocked it off its little tab thing whenever I was changing the bulbs in my A/C controls.
 
Old Jul 10, 2008 | 07:33 PM
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Default RE: expansion valve (a/c)

So your A/C cooling problem definitely is not due to the heater valve being stuck open? If not, too bad because that would be a really easy fix! By the way, I have never trusted Firestone for car servicing because they always seemed a bit shady to me, but that might only be the store in my local area.
 
Old Jul 10, 2008 | 08:01 PM
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Default RE: expansion valve (a/c)

i guess since they're not related then the expansion valve being halfway open was not caused by this cable being off its tab
 
Old Jul 10, 2008 | 09:10 PM
  #16  
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Default RE: expansion valve (a/c)

What is the estimate for the A/C work? Why not purchase some manifold gauges and tackle the problem yourself? You sound pretty handy. It might be that you just have a slow refrigerant leak and that the system needs a recharge.
 
Old Jul 10, 2008 | 09:17 PM
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Default RE: expansion valve (a/c)

ORIGINAL: RonJ

What is the estimate for the A/C work? Why not purchase some manifold gauges and tackle the problem yourself? You sound pretty handy. It might be that you just have a slow refrigerant leak and that the system needs a recharge.
They said they didn't find any leaks. Also, I had them charge it to the correct amount when I got it checked. I'm going to replace the compressor, along with the drive belts, when I do my timing belt and tensioner.

Gotta replace the accumulator/drier too because i'm exposing it to the atmosphere when I replace the compressor. At least that's what Firestone said. Can you verify that info?


oh yea, and get this: they want 1100 something for them to do it. RIPOFF.
 
Old Jul 10, 2008 | 09:20 PM
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Default RE: expansion valve (a/c)

If there were no leaks, then why was a refrigerant recharge necessary? Is the A/C cooler after the recharge?
 
Old Jul 10, 2008 | 09:23 PM
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Default RE: expansion valve (a/c)

ORIGINAL: trustdestruction
Gotta replace the accumulator/drier too because i'm exposing it to the atmosphere when I replace the compressor. At least that's what Firestone said. Can you verify that info?
oh yea, and get this: they want 1100 something for them to do it. RIPOFF.
Yeah, I think they are correct that accumulator/drier should be replaced.

Crazy prices! Always saves to do it yourself when you can.
 
Old Jul 10, 2008 | 09:29 PM
  #20  
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Default RE: expansion valve (a/c)

Oh yea, i meant to mention that, but the forum was being tempermental.
Basically what happened was: (next post)

 



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