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Thread: How to superchill mehran AC

  1. #1
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    Default How to superchill mehran AC

    In summer mehran AC stops behaving like an ac but instead becomes a heater. Why????
    -

  2. #41
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    if you wish to SUPERCOOL it you can always spray a can of butane into the vents,... you'll freeze!

    just don't smoke or light a match.

  3. #42
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    yar this fan on the hood is not a good option to choose coz u thenhave to compromise heavily on the car's out look. i have seen mehran's ac working good. i saw a my uncle's mehran an 2005. the model was 2004 VXR. its ac was working very good even in the heat of sargodha. i happened to sit in that car but the blower was throwing some drops of water.
    so if someone wants the ac of his mehran to cool then replace your old compressor with a new one, get ur condensor cleaned, replace ur carbon bottle and get ur blower and pipes serviced. ur ac will surely work well. but it works best when the car is moving fast.
    and abt that valve that gets u more cooling. there is nothing like this a car's ac system. the purpose ofthe gas in ac is to get condensed and the then expand to give cooling. it does not become less as u use the ac.
    but what ever u do ur mehran's ac will never superchill.
    every day i wake up and die a little.

  4. #43
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    yar this fan on the hood is not a good option to choose coz u thenhave to compromise heavily on the car's out look.

    No it won't. If you place a vent (like the ones used for turbos) on the bonnet.
    Honda City 1999 1.5L NEO MT | Honda City 2009 1.3L AT

  5. #44
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    Have you turned Heat/Cool knob to blue indicator ?

    First of all close hot air/water pipe like a loop back. This pipe is used for heater and spoils most of cooling when A/c is functioning even when Knob is at blue. Even hot air is blocked when you turn hot/cool knob at blue but in case if Suzukis' it does not blocks hot air completely. In such a case, hot air from engine gets mixed with cold one from condenser resulting in neutral or hot air.

    Does'nt helps, Clean front radiator DIY or do a profesional car wash.

    If problem is still not solved, clean heat exchanger inside dashboard. Perhaps it is not easy 4 DIY.

    If it does not helps, get your gas pressure checked.

    If ok then ckeck for any choked filter for refrigant gas.

    Still in problem, then compressor is the culprit.

    Any professional would likely let you know if there is life left in compressor!

    If you have extracted all of the juice from compressor for saveral years, Pls swtich to a newer compressor with R134a refregrant. Remember you will not get R1x refregrant after this year or so.

  6. #45
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    Mehran 2003 model and above can perfom good with Ac.

    go for sanden compressor. get the new neat and clean radiator and pipes (connecting waterbody with radiator) . put coolant and enjoy. do check the door packing rubbers

    i had mehran 2003 for one year. and its Ac was v good . and one more thing its cooling system was ok as i never had to add water. and temperature needle never crossed the middle. you know this is all in multan. off course it was non F/F Ac. i installed it later and it coasted me 21000 rupee.

    one more Tip. try to keep your car in shade away from sunlight. if the car is under sun it will take around 10 mins to get it normal. its common with all cars
    -

  7. #46
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    Mehran needs good interior insulations to make the AC effective.
    Keep a cool head and wear seatbelts!

  8. #47
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    I might be getting off the topic a little but it's related to the AC cooling so i guess MODS wont mind it.

    Can anyone suggest a gud insolation material for Mehran.like with wat to insolate the roof and doors of a car.

    I'm asking this b'coz i think(as spectra said) IF the insolation of car is gud then even a thaka hova AC will perform accpetable
    Qaiser Pal,I have not failed.But found 1 of 10,000 ways which doesn't work.....Toyota driver "I couldn't repair my brakes,so i made my horn louder"..When i was born i was so surprised that i didn't talked to one and half year..since light travel faster then sound,people appear bright until you hear them speak..If u can't convince them,confuse them

  9. #48
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    yar mehran to door ki baat hai cuore bhe summer sunny days me us ka a/c bhe sahe perform nahe karta...i am not talking about the nights..in nights its awsome..
    adeel

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    take your ride to
    BASHIR AC mozang road near ganga ram hospital
    those guys are experts

    they tuned my civics ac up .
    it chillls , damn cold frost.

    i got my cars compressor changed for 4600 and 1800 for sevice and fitting.
    i pretty happy with their work.

    i also get my mehrans ac services from their.
    but what can u expect from a mehran on CNG.
    Past cant be brought back ..but future can be made even better than the Past..if one wants to.. ....

  11. #50
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    800CC or 1000C cars barely have any power to propel themselves..forget about forking a few HP for AC...

    If you really want it chill...either upgrade to a larger engine.. like 2000C diesel..as IMHO..2000C 4cyl engine is still junk for AC

    at the back of most automotive compressors..there is a little screw like knob which an be turned using a coin..this thing regulates head pressures..i think if you turn it 1/4 turn CCW..that will improve your compressor performance...but will also increase the load hence the drag on engine..don't recommend doing it on a small engine.. consult and expert and the compressor manual before doing this..

    follow advice of Xklusiv
    Suzukis arent built with all that fit so i guess it leaks a lot of air..it better to shut off the heater permanently..it improves cooling..

  12. #51
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    Aoa everybody,
    I've read all the replies and really enjoyed it. thanx for all the support and help. And insha'allah this summer i'll put my best effort in making my ac chill. thanx again and god bless u all.
    -

  13. #52
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    You can get the heater pipe disconnected as some hot air keeps getting mixed with the AC air even when the temperature knob is set on blue.

  14. #53
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    agreed

  15. #54
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    disconnecting the heater pipe from the engine gets the a/c more chilled n performs gud how come??
    adeel

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