AC works good on highway speeds . But at a stop or idel. It blows warm air. What are thinking i need to look for?

160

Asked by mlopez38 May 08, 2015 at 07:11 PM about the 2008 Ford F-450 Super Duty Lariat Crew Cab LB DRW 4WD

Question type: Maintenance & Repair

Took it to a mechanic He put on ac gauges
and said theres a restriction in the system it
gave a high psi reading.over 250pis

10 Answers

160

no temperature stays the same This happened after idle Ac pully tensioner bearings Went out I replaced the pulley

1 people found this helpful.
160

Well i took it to a shop had a mechanic Put gauges red gauges gave a reading over 250psi. He said theres a restriction in the system.. That i would have to take it to the dealer ship

1 people found this helpful.
144,795

It explainotory,run,s good on high way,but off at idle,go have the sytem vacummed,and filled proper.

1 people found this helpful.
160

Ive had the truck for over a year ac has been working fine. Till now.. Would it be best to change out orifice tube as well?

160

Yes new pully is the same size. Not sure what the low reading was. But tomorrow morning will get a second opinion at midas they have free ac inspections

2 people found this helpful.
160

Ok i figured out the problem electrical connections On the fan clutch wasn't seated properly .made the corrections.all works great now .thanks for yalls in puts.

6 people found this helpful.
144,795

Good to know mlopez38,another good answer to add to the book,s.

Your Answer:

F-450 Super Duty

Looking for a Used F-450 Super Duty in your area?

CarGurus has 1,506 nationwide F-450 Super Duty listings starting at $11,999.

ZIP:

Own this car?

Share your experience with others.

2008 Ford F-450 Super Duty

Review another car

CarGurus Experts

  • #1
    mlopez38
    Reputation
    100
  • #2
    gorsmar
    Reputation
    90
  • #3
    Bigvern1
    Reputation
    70
View All

Know more, shop wisely

Search

Related Models For Sale

Used Ford F-350 Super Duty
717 Great Deals out of 28,767 listings starting at $4,984
Used Ford F-250 Super Duty
1,289 Great Deals out of 51,787 listings starting at $2,905
Used GMC Sierra 3500HD
211 Great Deals out of 7,597 listings starting at $9,900
Used Chevrolet Silverado 3500HD
331 Great Deals out of 12,878 listings starting at $7,500
Used Ford F-150
6,461 Great Deals out of 169,177 listings starting at $1,871
Used Ford F-450 Super Duty Chassis
27 listings starting at $56,920
Used Dodge RAM 3500
34 Great Deals out of 417 listings starting at $5,999
Used Ford F-350 Super Duty Chassis
111 Great Deals out of 5,377 listings starting at $6,995
Used Ford F-550 Super Duty Chassis
3 Great Deals out of 197 listings starting at $32,195
Used GMC Sierra 2500HD
543 Great Deals out of 24,583 listings starting at $3,995
Used RAM 4500 Chassis
90 listings starting at $35,596
Used Chevrolet Silverado 2500HD
1,016 Great Deals out of 40,369 listings starting at $2,495

Used Cars For Sale

2023 Ford F-450 Super Duty Lariat Crew Cab LB DRW 4WD For Sale
10 Great Deals out of 49 listings starting at $65,487
2022 Ford F-450 Super Duty Lariat Crew Cab LB DRW 4WD For Sale
4 Great Deals out of 41 listings starting at $50,000

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.