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Is this an OK assumption?

jed1154 on Fri May 09, 2008 11:41 AM User is offline

I need to take a vehicle in for a recall.

I have one 2002 F-150 whose vent temps get to 36-38 when its 90 degrees outside. This system has 106,000 miles.

I have a 2005 F-250 whose vent temps struggle to get to 42 when its 90 degrees outside. This system has 34,000 miles.

Is there any reason at all that my new f-250 shouldnt at LEAST perform as well as the F-150 as far as temp is concerned? The system should hold more, and its sitting behind a bigger radiator, cooling fan, etc. Its a diesel engine.

vdubspeed on Fri May 09, 2008 12:27 PM User is offlineView users profile

proper fill?

48 degree difference sounds AWESOME to me. I'm stuck at 37.


jed1154 on Fri May 09, 2008 12:29 PM User is offline

I dont know what the fill is. I just want to know that if i take it in for service and ask them to get the vent temps down to 38 because thats what my other truck does, if thats a reasonable thing to expect.

jed1154 on Fri May 09, 2008 1:53 PM User is offline

Well, i have called two dealers. One says that 60 degree vent temps are as cold as it goes for outside temps in teh 90's (he asked their AC tech), so i know not to go there. You have to be kidding me. I can't believe that a technician that works on the AC system for his CAREER on a handful of trucks cannot tell me what an acceptable friggin temperature out of the vents is. Im sure AC is complicated, but its not rocket science, and i have a hard time believing there is that much variable between two exact model year vehicles with the exact same setup.

I dont want to bring the stupid truck in the shop for them to poke around on if i don't have to, so why can't some of these brain donors at teh dealership tell me what the coldest temp my vent air should be at and why in God's name they think that 60 degree's is 'the best an ac system can do' when i have TWO vehicles that have over 100,000 miles that readily get 38 degrees out of the vents when teh temps are 95-100 degrees.


2005Equinox on Fri May 16, 2008 1:25 AM User is offline

Trouble is every system is different. Even 2 that are exactly the same. The 1981 Bonneville and the 1985 Caprice I own are examples of that. The Bonneville easily gets in the mid 30's. The Caprice struggles to get in the low 40's. The Caprice system has also been more troublesome than the Bonneville.

2008 Chevrolet Impala LS
1981 Pontiac Bonneville

2007 Sears Craftsman Lawn Tractor

1985 Chevrolet Caprice

1986 John Deere 165 lawn tractor

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