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post #1 of (permalink) Old 08-01-2002, 08:23 AM Thread Starter
 
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O/T tow rig A/C fixed!!

Off topic, but are there any A/C gurus here?

It is on my 86 Ford e150 van. New compressor, and converted to 134. It blows slightly cool air, but by no means is it cold. When I first converted it over it blew very cold, but on my way to a race in Arkansas, it suddenly went from nice and comfy in the van to where I almost decided to roll the window down. It wouldn't be that big of a deal to me, but my girlfriend is in a wheelchair, and her body isnt able to adjust to extreme hot or cold situations, and with the heat we are having, and this being the only vehicle that had/has A/C I need to get it blowing cold again.

The compressor still kicks in, and its not low or over full. Plenty of air coming out the vents from the blower, I just need to get colder air. On Chevy's I know of an orifice tube. Any such thing on a ford?

Thanks for the help.
Jim
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post #2 of (permalink) Old 08-01-2002, 09:15 AM
 
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Re: O/T tow rig question regarding A/C help please

I'm not an A/C expert, but based on prior experiance, it sounds to me like a leak. Had the same thing happen in a Tbird. If Ford is still using those Uh, stupid O rings, I'd start there.
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post #3 of (permalink) Old 08-01-2002, 09:22 AM
 
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Re: O/T tow rig question regarding A/C help please

make sure something isnt blocking the airflow through the radiator type thing that is for the A/C (i can never remember what that is called)... if there isn't any air flowing through there, there will be nothing to cool the freon off
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post #4 of (permalink) Old 08-01-2002, 09:23 AM Thread Starter
 
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Re: O/T tow rig question regarding A/C help please

thats what is strange Outlaw, its full. I would go buy one of those haynes manuals for it, but those manuals are useless.

I cant think of any reason that it wont cool, unless something internally has restricted the flow of the coolant.

Jim
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post #5 of (permalink) Old 08-01-2002, 09:26 AM Thread Starter
 
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Re: O/T tow rig question regarding A/C help please

Thanks Texas,

I did check that, and it had some dust blocking the bottom 1/4 of it, and I cleaned it, but it didnt have an effect on how cool the air was. I guess it wasnt blocked enough yet to effect it.

THanks and keep the ideas coming =)

Jim
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post #6 of (permalink) Old 08-01-2002, 09:33 AM
 
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Re: O/T tow rig question regarding A/C help please

i'm no expert but
when you said converted how did you do this
did you drain the system
did you open it in any way
so say you have to flush the r-12 out and replace the o-rings

if you open the system then you have to replace the orface tube (filter) and dryer\
how long did you pump it down

]does the clutch cycle properly
after a min or 2 does it spray anything which means head pressure switch

just things i have gone thru

i'm thinking of putting ac on my zuk now that i have a 1.6 in it
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post #7 of (permalink) Old 08-01-2002, 09:50 AM Thread Starter
 
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Re: O/T tow rig question regarding A/C help please

New compressor and dryer, not sure if it was flushed or not, and i dont know if the orfice tube was changed or not.

Where is the orfice tube located on a ford at? I did have the system vacumed down, and then charged. Compressor does enguage and stays enguaged, and no blow off.

Jim
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post #8 of (permalink) Old 08-01-2002, 10:04 AM
 
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Re: O/T tow rig question regarding A/C help please

IF i was a beating man and you did not change it that is where your blockage is

also it will void your warr. on the copressor and dryer they should have told you that

it's about 3" long and it kind looks like a pipe filter (the kind for tobbaco) it goes inside of the pipe usally where the dryer bolts in
hth
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post #9 of (permalink) Old 08-01-2002, 10:08 AM Thread Starter
 
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Re: O/T tow rig question regarding A/C help please

Thanks GA. I will get that replaced. Hopefully by this weekend it will be blowing cold air again.

Jim
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post #10 of (permalink) Old 08-01-2002, 10:14 AM Thread Starter
 
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Re: O/T tow rig question regarding A/C help please

Well danged it!!

Called the parts store, and he is saying that according to his books, my van doesnt have an orfice tube, it has an expansion valve, and it either works or doesnt, but wont effect coolant flow. If that is true, that would explain why it wasnt mentioned when the air work was done.....

Well this stinks... Ive got her wheel chair lift in this van, spent abunch of money on brakes, shocks, and tires etc, so we wont get stranded and she can travel, and I cant get the air to blow cold!!

Any more ideas of something missed?

THanks for the help so far.

Jim
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