Question about 2008 Suzuki Forenza

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AC not getting cold

2008 Suzuki Forenza. It has freon and compressor is kicking on but it is not getting cold. Any suggestions what to look for next?

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Hi have you checked the gas

Posted on May 16, 2014

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The refrigerant (it's not freon) needs to be at a specific level. If there's too much, or not enough, it will not get cold.

Some things to look for:
Compressor cycling. The compressor turning on and off repeatedly in, relatively, short time periods; typically within 20 seconds. If it is doing this, it is most likely low on refrigerant. If it does it very rapidly, it could mean that there's too much.

Make sure that the temperature selector on the climate control system changes air temperature. If it does not, there may be an issue within the air mode mix motor, or the blend door.

Posted on May 16, 2014


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Posted on Jan 02, 2017

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SOURCE: AC has freon (134a) pressure is good. Compressor

Have a code reader or scanner put on the car to erase all codes,this should reset the ac system circuit.Also check the low side clutch cycle switch,it may be the problem.

Posted on May 01, 2010

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1 Answer

I have a 2008 Honda Civic which blows cold hair at first and then starts blowing warm air.

It sounds like you are just tossing parts on it, not diagnosing it first. Sometimes it is cheaper to pay a professional. Does the compressor stay running when it isn't cold? If so, is the return pipe, (the large 1) cold? When you replaced the freon, was it evacuated proprely, with a vacuum pump, for at least 20 minutes at -28 psi vacuum? If the compressor turns off when it gets warm, is power still going to the compressor? If it is, the magnetic coil is failing and/or the clutch gap has become excessive, not unusual on higher mileage Hondas. Your question about the fuse baffles me, why even ask, just replace it with a spare fuse.

Jul 01, 2015 | 2008 Honda Civic

1 Answer

My a/c is not working in my 2008 Suzuki forenza.

engine running
A/C on, a/c lamp glowing
fan on HIGH
the compressor clutch ,engages. (belt not missing or loose)
the compressor shaft spins very fast. near engine speed.
if it does, the loop has issues.
if not, the A/C AMP logic, module or the hi/lo freon swtich is open
the AMP, protects the loop and driver.
  1. the amp cuts the compressor, 6 ways, (about)
  2. evap freeze up
  3. a/c loop freon too low or high (that switch )
  4. engine overload.
  5. driving WOT, can cut A/c (wide open throttle) driver protection
  6. engine overheated.

if the clutch is dead. see if there is 12vdc across the clutch
yes, the coil in the clutch is open , OHMS= reads_ infinity
no.. the AMP as dropped off the A./C on purpose
we then check all inputs to the AMPA
i do the hi/lo switch first
all this is covered, in the FSM , HVAC chapter, not a secret at all.
suzuki pit stop plus

Sep 07, 2014 | 2008 Suzuki Forenza

1 Answer

I have a Grand Vitara Suzuki 2008. Aircondition stop generating cool air. what could be the reason. car has 14,000 km and since last check I have travelled 1000 km

AC dead. all the time? truly all times.
1: does the fan blow? full speed.
2: does AC work on a hot day and a cold started engine? y/n
3: did you check the freon pressure, with the cheap refill kit
that has a gauge with the kit and hose.
is the gunge reading zero?
4: you start engine, and open hood and look at the AC compressor.
is the fan belt to that compressor turning, or is the belt missing.
if turning is the AC pulley spinning, that is not just the pulley but the
compressor front part and its main shaft, are they spinning.?
if not the AC clutch is disengaged.
if disEngaged, that means the AC logic box, is not happy.
The AC logic box can shut down the AC for 4 or more reasons.
and to find that , I stop here.
the fsm shows the pins on the logic box to see with logic input is failing.
on my car, its:
1: A/C on , switch is off.
2: fan not on, or power to it dead, no fan the logic cuts the compressor so the core dont freeze up and crack.
3: engine overload
4: engine overheat.
5: freon pressure too high.
6: freon pressure too low.
7: too cold outside, so shuts down , has to be extreme cold, RTM.
at the least. all this logic functions, save fuel and save other parts
from damage. and huge costs.

that is it for today, one more unsolved.

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1 Answer


Someone would need to check and see if the system is full of freon, and if you have power at the ac compressor clutch.
And the sending unit in the gas tank would need to be checked to diagnose the fuel gauge. The sending unit gets voltage from the gauge on the dash and provides the ground for the gauge.

Apr 30, 2013 | 2004 Suzuki Forenza

1 Answer

AC compressor

that depends on what happened to the last one.
if the last one , broke up inside it then contaminates the whole system, insuring the new compressors early death.
at the least, a compressor, receiver /dryer. (my be the expansion valve)
1: must be done in a shop, so they can capture the old freon.
ie: Ozone damage, ever heard of that?
2: then replace all bad parts.
3: next, pull a hard vacuum on the system (removes all water)
4: adds freon by weight.
5: test system for full performance and correct any deficiences.

Apr 14, 2013 | Suzuki Forenza Cars & Trucks

1 Answer

I have a 2008 pontiac g5 and when the air conditioner is on it is blowing hot air instead of cold

sounds like you need to have your AC serviced, alot of times the compressor wont kick on when you are low on freon.

Mar 23, 2011 | 2008 Pontiac G5

1 Answer

AC has freon (134a) pressure is good. Compressor

Have a code reader or scanner put on the car to erase all codes,this should reset the ac system circuit.Also check the low side clutch cycle switch,it may be the problem.

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2 Answers

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this sounds like the AC compressor is failing, the engine idles slower in drive so noise is more apparent. you are likely going to need to replace it soon.

Jul 23, 2009 | 2007 Suzuki Forenza Sedan

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1998 Ford Windstar AC compressor

They get more than warm, but not excessively hot that you can't touch it. This can be caused by a faulty condenser fan motor, dirty condenser coil even low freon, which is my guess along with a dirty condenser. Check these two issues and if it's not the problem your compressor may be getting ready to die. because of internal issues with the motor windings. Make sure the fan is running to speed, clean the condenser and see if the larger copper pipe to the compressor is ice cold and sweaty, if not you may need freon

Jun 21, 2008 | 1998 Ford Windstar

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