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How to replace the expansion valve on a 2003 vibe

Posted by Anonymous on

4 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

SOURCE: replace expansion valve

Hi Tresap,
The only expansion valve that I can think of that you may like to replace is on the air conditioning unit....This valve is found usualy mounted onto the AC unit....You'll have to remove the dash board and centre consul....This is qute a job....You should then see the expantion valve on the cabin side of the AC housing....where the pipes go thru into the engine compartment....NOW HOLD EVERYTHING.....before you can remove the valve you need to depressurize the AC unit....That should be done by an expert....The gas is dangerous and you must wear safety googles at ALL times....Once you have removed the valve, you must seal the system so that as little moisture as possible enters the system....If it is left open, you'll have to replace the dryer unit too....when you've finished your replacement, assembly is the opposite as disassembly.....You'll then need to have the system recharged....Don't try to engage it until that has been done....It wont work even if you tried ,as there are pressur switches which will inhibit the opperation....If you have had practice, it will take about three quarters of a day......if not, three or four days

Hope that this helps you

Best regards Johngee10

Posted on Sep 01, 2008

michigan man
  • 3533 Answers

SOURCE: Replace the A/C exansion valve

i am not really sure on this but try these websites fix & troubleshoot heating & A/C its www.automedia.com and the other one is car A/c repair www.directgardening.com if you have a autozone near you there you can rent the special tools you will need take them back and get your money back try www.autozone.com

Posted on May 25, 2009

emissionwiz
  • 75822 Answers

SOURCE: What is procedure for replacing expansion valve on a 2002 Honda Accord?

It looks like the blower unit needs to come out, you need a recycling machine and a very accurate evacuation and charging setup to make sure the amount of R134 is correct, as well as the correct oil type and amount that will need to be added to the system once the part is replaced.

Even a couple of ounces off can make the car not cool correctly

Posted on Jun 14, 2012

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Where is the expansion value located?


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  1. Remove the filter lid (A), then pull out the dust and pollen filters (B).

  2. Pull out the evaporator temperature sensor (C) from the evaporator fins.

  3. Remove the screws, carefully separate the upper housing (D) from the lower housing (E), then remove the evaporator core (F).

  4. If necessary, remove the expansion valve (G). Use a second wrench to hold the other fitting on the valve so the evaporator line won't twist. Leave the first fitting loosely connected so you can use it to hold the valve while you loosen the second fitting.

  5. Reassemble the evaporator in the reverse order of disassembly, and note these items:

    • Replace all O-rings, with new ones at each fitting and apply a thin coat of refrigerant oil before installing them. Be sure to use the right O-rings for HFC-134a (R-134a) to avoid leakage.
    • Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture absorption.
    • Install the capillary tube (H) directly against the outlet line, and wrap it with electrical tape (I).
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