coolant pressure tester for WJ? -
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post #1 of 4 Old 10-14-2021, 11:32 AM Thread Starter
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coolant pressure tester for WJ?

I need to pressure test the cooling system on 2000 4.7 WJ. I figured I would just buy a coolant pressure tester but I see a few comments about people buying or renting testers that don't fit the radiator neck well. To save the hassle, can someone tell me one they bought that fit correctly.

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post #2 of 4 Old 10-14-2021, 12:18 PM
Mr. Bitey
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I have this kit:

It is a cheaper, likely Chinese kit, but since I am not a mechanic by trade, it doesn't see a ton of use. Had it for 5-6yrs. I am sure it doesn't work on everything, but it HAS worked on all of the vehicles it's been used on thus far - Korean, Japanese, German, Domestic, even a diesel Kubota front end loader. There are better "pro" and "master" kits for $250+, and kits with less adaptors starting at $50....

2004 WJ, 4.7 N, daily driver.
1967 Jeep J100 panel truck (a-rusted development)
1970 'Cuda, 340 4bbl (10.952et @ 123mph)
1972 Dart Swinger, Gen III 6.4l Hemi (in progress)
1974 AMC Gremlin X, 440 6bbl (trailer queen, 9.466et @ 144mph)
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post #3 of 4 Old 10-14-2021, 01:32 PM
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If I'm not mistaken, Advance Auto (or similar) has these as a "Loaner Tool".
Cost free in the end.

2004 Jeep Overland WJ 4.7 H.O. (Bought new in Oct 2003)
2014 Jeep Overland WK2 5.7 Hemi (Bought used in 2016 w/7k miles)
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post #4 of 4 Old 10-15-2021, 06:30 PM
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I tried renting one from autozone, but they never had the correct adaptors. They have them, somewhere.... Ive seen photos where people rented them and used them, but it was too complicated for my local place... Maybe you'll have better luck.

I bought one from harbor freight. It works ok, but when you release the pressure it sprays antifreeze everywhere.

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