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Thread: Radiator cooler lines

  1. #1
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    Radiator cooler lines

    Replacing radiator, does it matter which transmission line go to which fitting on new radiator......unfortunately I took radiator out and removed cracked old trans lines, of course I didn't mark then

  2. #2
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    Never done mine but I chatted with another member and this was his response...They do matter. Hot side goes to the short passenger side port. The return is the long drivers side one.

    Hope this helps.
    Live, Love, Forgive and Never Give Up

  3. The Following User Says Thank You to Mile High VX For This Useful Post:

    simonsayz1 (05/17/2019)

  4. #3
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    Yes it does help! Thx Mile High

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    Some other comments from Eric...

    Most likely there would not be a substantial change if they were reversed. It’s a 1” pipe or so that sits in the bottom of the radiator. They flow of coolant is directional though on how it flows. So there may be a slight difference in temperature if they were reversed.

    The only thing I would really be worried about if backwards is the pressure. That long pipe is the lower pressure side.

  6. #5
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    OK, so how do I know flow coming from radiator?

  7. #6
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    It looks like on the OEM radiator the nipples for the rubber lines are different lengths from the first note above.

    If you do Facebook the VehiCROSS group there is much more active than this forum.

  8. #7
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    Thanks again Mile High

  9. #8
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    You're welcome...always glad to help when possible.

    I'm probably one of a few that still check this site everyday.

  10. #9
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    That helps since I don't do Facebook......Another question: The VX is running warm (1/4" from H). I've replaced: clutch fan and fan (new design), Radiator, belt tensioner, Temp sensor and mechanic who replaced cam seals said the water pump looked new. I've also burped the radiator a few times......I can have it sit in park with the A/C blasting for hrs and the needle will stay normal (middle), once I start driving for 30-45 mins the gauge starts moving closer to H......The oil isn't milky either is the coolant ( thought head Gasket)....I'm thinking thermostat but found it odd that it only gets warm while driving


    I've also added a transmission cooler

  11. #10
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    A few have had an issue with the AC compressor needing service. If it runs hot it's enough to heat up the engine bay to that point. I'll check and see what else...I know that there have been some recent discussions about this.

  12. #11
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    If it's still getting hot at speed it could be something else. The clutch fan only helps till 30-40 mph. Another thing you might check is a dirty radiator and size also. Stock is 1 1/2" thick at the core ( I have been told by 1 person) mine is 1 1/4" thick and my yellow one is only 1" thick. That's BIG difference ! I'm almost afraid to run my yellow one with 30% less of a radiator knowing these VX's

    From a recent discussion since you said above you replaced the radiator.

  13. #12
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  14. #13
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    Yet another piece of advice from the FB group... Here in Texas mine used to run warmer, but switched to electric fan to replace clutch driven one. Also check your transmission, I have always believed that can make temp rise as well, check fluid and level. They really need tranny cooler.

  15. #14
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    also went through three ‘new’ fan clutches before finding the right one. lots of bad totally incorrectly spec’d clutches out there supposedly for our Vx. at one point she sounded like a 747 taking off.

  16. #15
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    AC issue as above and the fix...Ok so after many, many, MANY hours spent on the overheating issue, it seems to have been caused by having too much freon in the system, causing the condenser to run hot & thereby causing a hotter engine compartment. After taking freon out to where the pressure was correct, the overheating issue has now stopped. Turns out, a faulty gauge was showing that there was not enough freon in the system. Adding freon caused too much pressure & made the condenser work harder than necessary & run hot. I just can't believe it's not overheating anymore!!!!!!

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