AC works fine when driving, but stops blowing cold when stopped. It's an easy fix!!

Just because the control relay seems to be working, doesn't mean it's actually working

#keepwrenching #wesselmotorworks #wrenchingwithkenny
#electrical #airconditioning #airconditioningrepair #acnotworking #acnotcooling #electricalproblem

[frankgonz]

Now that's what I call a great informative video, not some leaking freon, those you can see, your videos are the ones I look for.

[tannersloan]

This fixed my a/c problem! Thank you. My car was only getting cool air when driving on the highway. I originally thought it was low on refrigerant and bought a recharge kit, hooked up the gauge, and found out the pressure was in the green. After about two hours of research I came across your video. I have a 2014 Ford Explorer, so I switch out #98 “Air conditioning clutch relay” with the #77 “Trailer tow park lamps relay” relay switch (same type).

[mluucrz]

Wow Thank You! AC is ice cold now when stopped 🙏🙏🙏

[Partart]

Thank you so much🫡💪 my dads truck has been doing that. Now because of you I’m going to teach him something! He has tried everything but this😂

[mrs.g]

Thank you for sharing this very informative video!! You’re the best!

[mannysepulveda]

Excellent advice! Appreciate your video and thoughts about on how to deal with this AC issue.

[RayTexas]

So one thing I always do is swap out relays within that fuse box . For example the horn or ac blower fan in the dashboard relay will have the same oem part number as the for example radiator fans. I'll 1st verify the horn is working that tells me that rely is good then swap it out with the radiator fan relay and now see if the horn sounds . If it were the ac blower fan in the dash verify the blower is blowing out the vents then swap and see if the blower still comes on.

[Eli_is_a_Lauver]

I have the same problem now on my 09 civic couple. On road blows cool, but relanty just ambient air. 😢. Will check the relay

[joenunya]

@wrenchingwithkenny You could cut the cover off the failed relay and bench test it for demonstration purposes.
It has a magnetic solenoid that pulls the contacts together.
For this failure mode, the solenoid works but at least one of the contacts have failed. Relays can have multiple contact pairs.
You can test this electricaly by using a DVM in resistance mode across the the matching contacts. It should go to 0 ohms when the switch actuates if it is working correctly.
You can actuate on a bench by applying 12v and ground to the coil contacts.

[markhuyette]

Thank you for the tip and have a blessed day today 🙏

[kylefarrell]

Very informative! Gonna try this for sure!

[PredatorOmnivore]

Great advice. I always load test the suspect relay in a test jig I made.

[wbien]

What happens to the contacts from arcing over and over they get a jagged surface and not enough of the contact is touching to pass enough current. Also sometimes the surface is so pitted they get hooked and won't release.

[buffystclair]

Found that similar issue with AC clutch engagement on Hondas, relay would click but wouldn’t turn on compressor clutch

[techtronics]

Why is AC stop cooling at high speeds but works fine at low speeds?

[INSTAPHOTOSHOPER_ART]

GOOD VIDEO! EXCELLENT TIP! THANKS A LOT!

[slimsherman]

Yeah with my 05 Caravan i switched out the fan relay with the horn relay, unfortunately that didn't do the trick. So all the a/c fuses and relays look good, I will now see if I can find my 10 guage wire clips and hook up directly from battery to fan itself to test, because i believe the fans are shot

[andrewj]

you take it apart and the contacts ARE FUBAR....just say that

[poptartgofast]

Snap on rep got you on the new pliers too I see

[patrickostrom]

Thanks ken, food for thought! And where did you buy the relay remover pliers???