Overheating

Asked by MrMann1103 Jun 24, 2016 at 09:36 AM about the 2001 Lincoln Town Car Signature

Question type: Maintenance & Repair

What's  causing  my 2001lincoln towncar  to
run hot only when I run A/C unit.... I have
replaced temperature sensor/switch but still  
doing it need help...

3 Answers

32,175

AC pump loads the engine, and causes the old cooling system to react by overheating. Check your entire cooling system out from water pump to radiator, to T-stat... and all hoses. you locate the weak components. Even without the AC ON, watch the closely the temperature is probably still to high. Regards

3 people found this helpful.
1,385

Also, check for blocked air flow in front of the radiator. Leaves and stuff can accumulate in that area and block the flow of air.

20

AC use triggers the high speed fan relay. If that relay is bad the fan doesn't speed up to compensate for the ac and the car starts overheating. That relay sometimes goes bad because the cooling fan unit motor is going bad and drawing too much voltage, blowing the relay. So you have to check both. Replacing the $15 fan relay twice is a pain. The design for electric cooling fans is unreliable. The old belt driven fans may not have been as good at cooling, but you never were without some sort of fan moving air through the radiator. In modern cars a relay goes out and suddenly you are overheating fast - without even having lost a drop of coolant due to a hose or radiator leak which used to be the major culprits. So get that cooling fan checked out, replace those relays, check the codes for any sensors malfunctioning and drive that beautiful Lincoln in cool style!

2 people found this helpful.

Your Answer:

Town Car

Looking for a Used Town Car in your area?

CarGurus has 15 nationwide Town Car listings starting at $8,995.

Postal Code:

Lincoln Town Car Experts

  • #1
    Tracy Hooks
    Reputation
    2,960
  • #2
    G A Arne
    Reputation
    2,330
  • #3
    Bob Beaman
    Reputation
    1,800
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Lincoln Continental
35 listings starting at $34,492
Used Ford Crown Victoria
12 listings starting at $6,590
Used Cadillac DeVille
10 listings
Used Lincoln Navigator
4 Great Deals out of 118 listings starting at $3,995
Used Ford F-150
66 Great Deals out of 8,004 listings starting at $2,995
Used Chevrolet Corvette
4 Great Deals out of 282 listings starting at $9,880
Used Chevrolet Impala
13 Great Deals out of 584 listings starting at $2,295

Used Cars for Sale

2011 Lincoln Town Car For Sale
4 listings starting at $8,995

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. Content will be removed if CarGurus becomes aware that it violates our policies.