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Cadillac Catera and Cimarron Forum Discussion, 98 Catera HCV relocated!!! in Past Cadillac Vehicle Discussion; Originally Posted by retho78 cool deal "AhazzardToAll". I got the nickname Luke Duke in the middleschool years. Followed me into ...
  1. #16
    AHazzardToAll's Avatar
    AHazzardToAll is offline Cadillac Owners Enthusiast
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    Re: 98 Catera HCV relocated!!!

    Quote Originally Posted by retho78 View Post
    cool deal "AhazzardToAll".
    I got the nickname Luke Duke in the middleschool years. Followed me into my paintball career, and we started with the name a hazard to all, and quickly transformed to a hazzard to all, and it stuck to me after that.

  2. #17
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 98 Catera HCV relocated!!!

    Interesting!!!

  3. #18
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 98 Catera HCV relocated!!!

    Hi all,

    Just curious to hear from those that did this mod, have you had to replace the HCV or had any issues? Mine is still running strong for the past three years with no changes......thanks.

  4. #19
    catera00's Avatar
    catera00 is offline Cadillac Owners Fanatic
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    I completely removed mine about a year ago and have had zero problems.

  5. #20
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 98 Catera HCV relocated!!!

    so you don't have an HCV in the car? What did you do?

  6. #21
    elvin315's Avatar
    elvin315 is offline Cadillac Owners Connoisseur
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    Re: 98 Catera HCV relocated!!!

    Quote Originally Posted by catera00 View Post
    I completely removed mine about a year ago and have had zero problems.
    Of course you don't. You're in a desert and don't need a heater control.

  7. #22
    catera00's Avatar
    catera00 is offline Cadillac Owners Fanatic
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    I bought a "T" connector and attached all the hoses to it and plugged the vacuum line. My heater and a/c work fine still. I don't know what the point if the HCV is

  8. #23
    investor74 is offline Cadillac Owners Enthusiast
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    Re: 98 Catera HCV relocated!!!

    Quote Originally Posted by catera00 View Post
    I bought a "T" connector and attached all the hoses to it and plugged the vacuum line. My heater and a/c work fine still. I don't know what the point if the HCV is
    Supposedly, the purpose of the HCV is to allow the A/C to work better. When the A/C is on max, it short circuits the hot water so that the radiator is not heating up the air ducts and working against cooling the air. But it surely is a sore spot on the Catera.

  9. #24
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 98 Catera HCV relocated!!!

    Hello all,

    Just checking again with those that did the Heater control valve modification.....any issues with your car or HCV failing after this mod?

    Mine is still running good since I did this mod and haven't had any failure with it, still using the same one.

    Keep me posted!!!


    Thanks.

  10. #25
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 98 Catera HCV relocated!!!

    It's been over 4 years since I did the HCV relocate / modification in my Catera and hasn't gone bad yet. I'm guessing the excessive heat by the rear engine bay area where it used to originally be maybe causing the HCVs to short live, again just a guess and not sure if others had any problem with the mod. Also, if the HCV goes bad, they are very easy to replace, no draining coolant anymore and just use hose pinch pliers to the hoses and swap the HCV.

    I did this mod to my in laws 01 catera too and it is holding up too with no problems.


    Thanks.

  11. #26
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 98 Catera HCV relocated!!!

    Alright folks, the heater control valve (AC Delco brand) finally gave up today and it has a minor leak coming for the top side. After relocating it (almost 5 years ago) from the back to the front this is the first time I'm having to replace it. It is also a very easy swap since it is in the front, probably 15 minutes at the most.


    Thanks.

  12. #27
    elvin315's Avatar
    elvin315 is offline Cadillac Owners Connoisseur
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    Re: 98 Catera HCV relocated!!!

    Good thing you planned ahead. It's like I've said before, the secret to happy Catera ownership is maintanance. Relocating the HCV goes under the heading of preventive maintanance.

  13. #28
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 98 Catera HCV relocated!!!

    Thanks elvin315, yeah I'm keeping up with my 98 Catera and so far it has 115K . I had to retighten the oil cooler plate yesterday due to a coolant leak and after the oil cooler replacement I did a month ago from an oil/coolant mix. After installing everything back I noticed the minor leak from the HCV. Anyways, I order another ACDelco part from Amazon and should be here Tuesday.

  14. #29
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 98 Catera HCV relocated!!!

    Replaced the HCV yesterday and it took me only 10 minutes.

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