I just replaced my coolant temp sensor on my 99 3.8 liter mustang, and now the AC clutch isnt functioning, so not blowing cold. What could have happened?

Asked by Apr 18, 2017 at 09:03 PM about the 1999 Ford Mustang Coupe

Question type: Maintenance & Repair

5 Answers

79,365

Just a coincidence I think. Check the AC compressor fuse and the connector to the compressor.

1 of 1 people found this helpful.

I checked the connector and im not sure where the fuse it to the AC compressor bc no owners manual but if not that then what could it be?

79,365

A bad compressor or low on Freon.

27,495

do you have a cheap 12volt dc test light to check power at the plug in on the ac comp.? check the low pressure safty switch also even though you werent around that area ...and WOT ac cutoff switch and ground look at bottom left side look this up.good stuff wires > www.stangnet.com/mustang- forums/threads/a-c-clutch-will-not-engage-but-air-will- blow.677889/

70,845

Could be the new sensor is wrong or defective. If the computer thinks the engine is overheating it will shut down the compressor. HTH. -Jim

Your Answer

Mustang

Looking for a Used Mustang in your area?

CarGurus has 1,005 nationwide Mustang listings starting at $4,500.

Postal Code:

Ford Mustang Experts

  • #1
    Tom Demyan
    Reputation
    4,620
  • #2
    Bob Beaman
    Reputation
    1,270
  • #3
    COMETGUY61
    Reputation
    1,110
View All

Related Models For Sale

Used Chevrolet Camaro
3 Great Deals out of 839 listings starting at $12,907
Used Chevrolet Corvette
576 listings starting at $4,450
Used Ford Mustang SVT Cobra
2 listings starting at $17,000
Used Ford F-150
507 Great Deals out of 10,097 listings starting at $1,800
Used BMW 3 Series
141 Great Deals out of 1,707 listings starting at $2,990
Used BMW M3
3 Great Deals out of 81 listings starting at $15,990
Used Chevrolet Silverado 1500
199 Great Deals out of 10,708 listings starting at $1,700
Used Jeep Wrangler
108 Great Deals out of 1,765 listings starting at $6,950

Used Cars For Sale

2018 Ford Mustang For Sale
1 listings starting at $43,738
2017 Ford Mustang For Sale
300 listings starting at $23,995
2016 Ford Mustang For Sale
100 listings starting at $17,995
2015 Ford Mustang For Sale
110 listings starting at $21,987
2014 Ford Mustang For Sale
135 listings starting at $14,907

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.