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Any one know in LS1 Engine? pls COME !!

This is a discussion on Any one know in LS1 Engine? pls COME !! within the General Help forums, part of the LSx Technical Help Section category; hi i have a camaro z28 LS1 Model 2000 when i draive my car above 140km the air coperssor of ...

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    Arrow Any one know in LS1 Engine? pls COME !!

    hi
    i have a camaro z28 LS1 Model 2000

    when i draive my car above 140km the air coperssor of AC was Freazed!!
    and the air through the condition come normal not but not cold!
    and when i decrease the speed bleow 140 km it was Work proply with cold air insaide the car

    so
    what the part i should to change it?

    plz i want a really solutiom cuz i draive my car usually above 200km and iwant a cold air as usual

    waiting you

    for guests please send your information to my mail

    s_a_909@hotmail.com

    Thanks

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    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Stockitie Stock Stock 95camaroZNC's Avatar
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    Quote Originally Posted by Jeddah_z28 View Post
    hi
    i have a camaro z28 LS1 Model 2000

    when i drive my car at a speed of 140km(87 mph) the air compressor for the AC Freezes and the air comes out warm!
    When i decrease the speed below (87mph) 140 km it will Work properly with cold air inside the car.

    So whats the problem?

    I normally drive my car at 100mph

    Please email me at
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    This is fail btw..... where are you from that you can drive 100mph every day?
    http://chezjacq.com/kph-mph.htm
    Last edited by 95camaroZNC; 06-27-2010 at 12:08 PM. Reason: Fixed his post for him.

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    Moderator Cutlass's Avatar
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    Quote Originally Posted by 95camaroZNC View Post
    This is fail btw..... where are you from that you can drive 100mph every day?
    http://chezjacq.com/kph-mph.htm
    He is from Saudi Arabia I think.

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    Moderator Cutlass's Avatar
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    Quote Originally Posted by Jeddah_z28 View Post
    hi
    i have a camaro z28 LS1 Model 2000

    when i draive my car above 140km the air coperssor of AC was Freazed!!
    and the air through the condition come normal not but not cold!
    and when i decrease the speed bleow 140 km it was Work proply with cold air insaide the car

    so
    what the part i should to change it?

    plz i want a really solutiom cuz i draive my car usually above 200km and iwant a cold air as usual

    waiting you

    for guests please send your information to my mail

    s_a_909@hotmail.com

    Thanks
    So if I understand, your Evaporator core freezes up (covered with ice) and the AC blows warm air. That usually means the AC is undercharged or the Orfice tube is bad

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    cutlass thats right its coverd by ice

    so i have to change the AC coperssor?

    another thing cutlass the scale of voltage it not stable its goes to head of the read line when i stop the car and when iam move it become to meddile < maybe thats the reason?

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    Moderator Cutlass's Avatar
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    no the voltage problem is most likely a different issue.
    And no the AC compressor is probablly ok. You need to find out if your car is low on R-134 refrigerant. Thats the most likely cause.

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    Electrical Engineer KMdef9's Avatar
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    Quote Originally Posted by Cutlass View Post
    no the voltage problem is most likely a different issue.
    And no the AC compressor is probablly ok. You need to find out if your car is low on R-134 refrigerant. Thats the most likely cause.
    Belt could be pretty worn/slipping? That could cause both of those problems. But imagine it would have to be rather noticable auidibly.

    Is your belt making any noise?

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    Quote Originally Posted by KMdef9 View Post
    Belt could be pretty worn/slipping? That could cause both of those problems. But imagine it would have to be rather noticable auidibly.

    Is your belt making any noise?
    2 different belts on the car. Alot of times thats the voltage regulator on the alternator. May need to replace the alternator sometime.

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    Quote Originally Posted by Cutlass View Post
    no the voltage problem is most likely a different issue.
    And no the AC compressor is probablly ok. You need to find out if your car is low on R-134 refrigerant. Thats the most likely cause.
    i will check the lbs of r134a and itell you what happen with me soon
    Last edited by Jeddah_z28; 06-28-2010 at 08:00 AM.

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    Quote Originally Posted by KMdef9 View Post
    Belt could be pretty worn/slipping? That could cause both of those problems. But imagine it would have to be rather noticable auidibly.

    Is your belt making any noise?
    can you explain to me what belt you mean?

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    Quote Originally Posted by Benner View Post
    2 different belts on the car. Alot of times thats the voltage regulator on the alternator. May need to replace the alternator sometime.
    Benner come come come

    my volt amper front of me its not stable , when i drive early in the morrinng the volt above 13 around 13.2 or 13.3

    but after few min it become down until the head of first red lines

    and when i push the race it become littiel before 13

    acutlly after 30 min driver its never come to 13 v again only when the cat it was cold in the morninig

    as that i do the test for the alternator , after i start the engine i was isolate the positive cable of battery the car was not stop that mean the alternator working!

    what do you think?

    and what belt you mean?

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    aaah the black belt that running when the AC working!

    its good and i dont have any problem of all belts

    i was change it before 2 month ago

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    Senior Member bigrondownhiller's Avatar
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    Quote Originally Posted by Jeddah_z28 View Post
    Benner come come come

    my volt amper front of me its not stable , when i drive early in the morrinng the volt above 13 around 13.2 or 13.3

    but after few min it become down until the head of first red lines

    and when i push the race it become littiel before 13

    acutlly after 30 min driver its never come to 13 v again only when the cat it was cold in the morninig

    as that i do the test for the alternator , after i start the engine i was isolate the positive cable of battery the car was not stop that mean the alternator working!


    what do you think?

    and what belt you mean?
    Pulling the cable off the battery when the car is running is not good. Does bad things to the electronics. Do you have a multimeter? The charging issue could be a bunch of things. How old is the battery? Check all of your battery connections and if you can have your battery load tested.

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    i replace the battry tobay with new one AC Delco- but until now the problem there

    i check all connection its OK

    you Know the volt amper its ok except when i switch ON the Ac and lumps , then its become to down , when i but the gear on D with break become down after i return it to N or P its back normal

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    Moderator Cutlass's Avatar
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    sounds like you may have a weak alternator. You should test it with a volt meter to make sure or have a the alternator tested by someone.

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    yes there are some sound like(heeeen) when i come back form any where butwith not less than 30 min driving

    do yo think ite weak?

    should i buy new one or replace some patrs insaide it?

    for that measurment you talk about , we dont have one in workshop only in workshop of delars.

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    Moderator Cutlass's Avatar
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    Without testing, I can't say for sure that it is weak but it sounds like it is. Find a very good quality replacement if you want to replace it.

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    Junior Member dermot's Avatar
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    RE: the AC freezing.

    They all do that in KSA type temperatures... I live in Dubai and my Transam will freeze after maybe 50 mins in the summer. Just turn the ac off for a while (it will stay cold while the ice is there) and turn back on when it starts to heat up.

    The AC is not really up to 50 deg. C... (and mine is a black T-top arrrgh...).

    kr D.

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    Senior Member JayTA98's Avatar
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    RE: AC issue. I had this happened to me when I drove on the highway from Orlando to Miami in FL. About 3/4 of the trip the AC stopped flowing cold air. When I got to my desination I sshut the car off and after like 1 hour when I tried again it worked fine. I was driving steady 110 mph on the turnpike.

    I had other long trips but I never had the issue anymore... I checked the R134 and it was reading around 32.

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