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Anonymous Posted on Jul 08, 2014

I have a silhouett van that blows hot air in rear

Silhouette is blowing cold in front but hot in back seats why

5 Related Answers

Anonymous

  • 6 Answers
  • Posted on Jun 16, 2009

SOURCE: Rear a/c not blowing cold, front works fine.

probably the same problem as the '99. you probably lost too much coolant. charge with dye and check for leaks, (these things lose refrigerant normally, so you may not have a bonafide leak but check anyway) change the accumulator as a matter of course. evac the system and make sure you lose no vac over the course of 5 to 10 min. recharge the system for the proper weight (which is on the accum sticker) if you need detailed instructions let me know.

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old fart58

  • 163 Answers
  • Posted on Jul 05, 2009

SOURCE: front a/c problems

There is probably a temperature blend door in the duct-work under the dash that is inoperable or stuck in the heat mode.

lsteward68

Raymond Ramirez

  • 333 Answers
  • Posted on Jul 07, 2009

SOURCE: Air randomly blows hot on left, right or back of 2004 Suburban

check the AC relay...not the fuse but the relay

Anonymous

  • 1 Answer
  • Posted on Jul 22, 2009

SOURCE: Front a/c blows hot air sparodically during the summer

It is the AC vent door actuator.

2000 gmc

  • 56 Answers
  • Posted on Jan 03, 2010

SOURCE: Rear heater blows only cold air no matter what the

If this is equipped with a rear heater core it is probably plugged up and needs to be disassembled and cleaned out

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1helpful
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Heater not blowing hot in rear of van

Could be a blockage in the heater hose, or the control valve may be faulty. Could also be low on coolant.
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Why does the heater blow cold air in the front but produces heat to the rear?

Depending on the vehicle you could have 2 different units most suvs and vans use a front and rear u it.
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Rear ac does not blow cold air on 1999 oldsmobile silhouette

# 5 on front ac has to work for rear to work..if it works then there is a switch that controls the rear cost about $80..and the blower back by compressor also was out on mine...there is a fuse that can make #5 setting on front ac work check that first
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Heater blows hot air for awhile but than blows cold air. temp gauge fluctuates on my 1998 olds siloette van

check coolant level in radiator and coolant bottle sounds like it may be low on coolant
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1998 Oldsmobile Silhouette a/c blows cold in rear but the front vents blow hot air. A new condensor was just installed and a/c charged.

Hello.Maybe I can steer you in the right direction. There is an actuator temp,door motor.It may be hard to find,but most of them are on the bottom of the blower box about where the ac hoses and the heater core is,under dash.This motor has gone out,it switches from cold to hot ,and all in between .Hope this is helpful.If not let me [email protected]
0helpful
1answer

I have a 200 silhouete, v-6 3.4 it blows cold air thru the front vents but hot air thru the rear vents, i have messed around with both front and rear controls and still no cold air on the rear vents

it sound as if you rear inline filter is pluging up try these website to see if you can get any information on your van car a/c repair www.directgardening.com and the other one is fix & troubleshoot heating & a/c www.automedia.com
0helpful
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Air conditioning not working properly

Would have him check out side air temp sensor ,thermister and rerove control head and inspect for burned terminal.1st.
0helpful
1answer

A/C not cycling and blowing hot and cold air.

Hello msbrig,
This is a REAL SWAG
(stab in the dark... (a bit reasoned))...

Confession... I'm no GM expert... but
General Motors & FRIDGIDAIRE
are the "GREATS" in automotive A/C.

and

This is the BEST DOCUMENTED QUESTION I have
ever seen (congratulations)...

I hope I am not doing a disservice by attempting an answer...

If your vents blow al any time... you ought disregard their behavior.. Likewise temperature controls...
and DUAL EVAPORATRS... front & rear...

The fact that your troubles are intermittent in the FRONT & REAR is a really great SYMPTOM...

You are MOST LIKELY looking at only two POSSIBLE PROBLEMS....

1. - Either your CHARGE is insufficient to keep
the compressor running.(pressure switch monitored)

OR

2. - You have a SATUATED DRYER which is allowing moisture to block your EXPANSION VALVES (internal ice) ...

External frosting is expected...
a lot of external FROST is an indication of #1. (above: low charge)...

A descent refrigeration person should be
able to tell you the HIGH and LOW pressure loads... and watch your system cycle for a few minutes... Which should be long enough to DETERMINE if you are experiencing
INTERNAL MOISTURE ISSUES...

Some folks ROUTINELY replace the ""DRYERS' (desiccant)


I do not... I use brains, gauges, experience... and your vehicles HISTORY

I am here most every day... Push comes to shove... I have the
Lincoln Navigator... dual EVAPORATOR system...
(I'll pull the book & take a look).

You can comment me back...

I bought ALL THE TOOLS years ago... NOTWITHSTANDING my amateur standing... I only let the JAGUAR DEALER jam me for an $800 Schrader Valve since 1965 (Mustang(all the rest... I did myself)).

Happy to chat... comment me back.
(again: here daily)


- Hope this inspires...

Carnac the Magnificent

http://www.rockauto.com/en/catalog/oldsmobile,2002,silhouette,3.4l+v6,1382295,heat+&+air+conditioning,a/c+receiver+drier+/+accumulator,6972

More Information for ACDELCO 1510088
0helpful
1answer

1998 Olds Sihoulette van, A/C recharged. The rear air blows cold however the front vents still blow hot? Why?

your A C DOORS vacuum actutator is not working or getting vacuum.or doors stuck.if you got climate control .could be out calibration .the dealership has to do it.
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