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  #1  
Old 02-21-2010, 02:59 PM
earnbud earnbud is offline
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Default Head gasket replaced , now problems

Hi , i hope someone know whats wrong , i got a 4 cylinder 94 ranger and just recently had to have the head gasket replaced , I didnt have time to do it myself so i payed someone to do it , well now today i went to start the truck and its making a high pitch wining noise and a little bit of smoke is coming out of either near the cylinder head or the carburator , my the time i noticed it i could tell were it was coming from , the truck starts up ok but im worried about that , is that something normal that happens after doing that work or what

Please anyone who knows what it could be
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Old 02-21-2010, 05:08 PM
earnbud earnbud is offline
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Also , i know when the parts were takin out to take the head out freon came out , i havent tried keeping it on for a while , as soon as i hear it and see the smoke i would turn it off , i know though i believe he put silicon on the gasket to make it stay on better or something , so the smoke could be from that , im just mostley concerned about the loud whining type noise

I am not tryin to rush people with an answer but im freakin out cause im worried something else is wrong now
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Old 02-21-2010, 08:14 PM
00bamaranger 00bamaranger is offline
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he let all the freon out? did he replace the freon and recharge the a/c system after it was put back together? because if he didnt thats your problem, the freon has oil in it to lubricate the compressor, if it was not put back in and its smoking youre gonna need an a/c compressor because its burnt up
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Old 02-21-2010, 08:26 PM
earnbud earnbud is offline
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im not sure if all of it came out , i guess i can easily check by turning the vehicle on , someone told me it could be a vacum leak or a gasket problem
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Old 02-21-2010, 08:30 PM
00bamaranger 00bamaranger is offline
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did he pull the a/c compressor all the way out or disconnect the lines from it? because if he did then it all came out
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Old 02-21-2010, 08:50 PM
earnbud earnbud is offline
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i believe he took it out , so does that mean theres probably no freon still in it or what , and could that have something to do with the whining , tomarrow im gonna turn the vehicle on and see were the sounds coming from

I have one question which might sound stupid but if i have the ac off is it possible that i wouldnt hear the noise or i probably still will
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  #7  
Old 02-21-2010, 09:00 PM
00bamaranger 00bamaranger is offline
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yeah if he took it out then you dont have any freon in it unless there was some put back in. if it is the compressor you shouldnt here it when the a/c is off but make sure that the clutch on the a/c pulley is not engaged when you turn the a/c off. you might still hear it with the a/c clutch disengaged but it will be quiet but most likely you wont hear it at all if the compressor is your problem.
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Old 02-21-2010, 09:19 PM
earnbud earnbud is offline
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well whats the best way to find out if it is the compressor , and no unless there was still some freon in it , there was never any put in , well would the sound not be as noisey if the ac was turned off or whatelse should i do
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Old 02-21-2010, 09:30 PM
00bamaranger 00bamaranger is offline
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if the compressor is off then the noise should go away when the truck is running, if it is completly burnt up the noise might still be there but it will be alot quieter as in barely there but it should go completly away, if it is the compressor. the only chance that there is any freon left in it is if there was some residue in the evaporator but that will not be enough to even consider
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Old 02-21-2010, 09:41 PM
earnbud earnbud is offline
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ok well this might sound stupid but i just want to make sure , it there just like a plug or something that gets power to the compressor , just want to make sure how to turn it off
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Old 02-21-2010, 09:54 PM
00bamaranger 00bamaranger is offline
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just turn the climate control to off it doesnt matter what the temp or fan speed is and the compressor should turn off unless there is a problem with the switch but if you want to make sure that it cant come on there is a plug on the compressor with 2 wires coming off of it and you can just disconnect this plug from the compressor and theres no chance of it coming on. the two wires are to engage the electromagnetic clutch. if there is no current going through the plug then the clutch cannot engage.
if you have it unplugged make sure that the clutch is not turning, if it is turning the clutch is locked up, it can do this if the compressor is burnt up
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  #12  
Old 02-21-2010, 09:59 PM
earnbud earnbud is offline
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well i have never had a prior problem with the compressor and as soon as i noticed the sound i turned the engine off , wonder if i should just unplug it to make sure , not sure , ill start by turning off the ac completely inside the vehicle and see what happens
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Old 02-21-2010, 10:10 PM
00bamaranger 00bamaranger is offline
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yeah the compressor was probably fine before it was run without freon, if the noise goes away when you turn it off then you know it is the compressor, but i hate to tell you that if it was already smoking then its time to hit the junkyard for a compressor or you can spend about $250 to get a rebuilt one. and make sure to charge the system with freon when you get the next one on, if this is the problem, but i still dont like the fact that he used silicone on the head gasket
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Old 02-21-2010, 10:19 PM
earnbud earnbud is offline
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well tomarrow i have the day off , so im gonna spend time , first unplug the compressor and hope thats the problem , any idea how much it would cost to charge a system , if so ill just get one from the junkyard , if not i guess ill look for vacuum leaks or gasket problems
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  #15  
Old 02-21-2010, 10:20 PM
00bamaranger 00bamaranger is offline
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well i hope you get it all figured out, let me know how it goes
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