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transmission squealing from where cv shafts come out, slipping

 
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Old 13 Oct 2014, 03:17 am
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Exclamation transmission squealing from where cv shafts come out, slipping

My father in laws 2003 pt cruiser dream machine im working on has me stumped, and im wondering if anyone else is/has experienced this problem. The car had been sitting for over a year and i asked him what was wrong with it. He said the transmission was acting up and was told he needed a new one. So i told him i would look at it. I put in some fresh gas and charged the battery and she fired right up. I decided to drive it to my house and see what the problem was. I drove it 15 miles to the house with no problems whatsoever. I drove it for the next 2 weeks, still no problems. So they took the car back and had been driving it for about a month with no problems, when it started squealing real loud from what sounded like the front driver wheel area. They had it towed to my house. I took it for a drive and no problems. I flushed and changed the tranny fluid and sent it back. Within a day, they experienced the same problem. Squealing real loud, tranny slippin. Everytime they would bring it back to me tho, It would run fine, so i couldnt diagnose anything. So i drove it some more and it finally did it to me too. Out of the blue, Started squealing and slipping. I pulled it in the garage, put the front of the car on jackstands, took the wheels off, started it up and put it in gear. I tracked the squalling sound down (finally) to the back of the tranny where the half-shafts come out. I was hoping to find something wrong with the shafts, but they look ok. I havent made it any farther yet. Im of the opinion that it isnt necessarily the transmission because it wont do it all the time, just randomly (becoming more frequent though). I really want to get this car fixed for them because theyre on a fixed budget and really need the car. Does ANYONE have any useful insights or experienced these problems before i say the hell with it and pull the tranny? I dont want them to pay for a tranny if thats not the problem, and id like to be a little more sure before i spend the time to pull it. The car only has 93000 miles. It dont throw a check engine light when this happens. It just starts squealing from a stop and at idle, getting louder as i drive. Then it slips. When it slips, the squealing stops until it goes back in gear. I replaced the motor mounts which were shot, and the tranny fluid looked good when i changed it ( no blackness or burnt smell). I just cant figure out why it will drive fine for 50-200 miles without a problem and then just start acting up? Id like to think if the tranny was bad, itd be acting up and slipping all the time. HELP!!!
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Old 13 Oct 2014, 08:27 am
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Default Re: transmission squealing from where cv shafts come out, slipping

Was there any metal shavings in the transmission pan when you took it off to change the filter?
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Old 13 Oct 2014, 08:53 am
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Default Re: transmission squealing from where cv shafts come out, slipping

There was just a little bit on the magnet, but a small amount should be normal. Fluid was clean (not black) and didnt smell burnt.
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Old 13 Oct 2014, 09:39 am
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Default Re: transmission squealing from where cv shafts come out, slipping

I'm thinking torque converter failure from the sound of your diagnoses.

I know they rarely fail but I had a similar problem with my '63 Falcon back when I was 18. My dad was still alive back then and we pulled the transmission and rebuilt it. Dad had been a master mechanic at the Ford dealership in the '50's through the '60's and he was a specialist on automatic transmissions so he knew what he was doing. {and I was learning through osmosis}

We were shocked when the car made the same noise and had the same problems after we put it back together. After a few days of head scratching we pulled the engine again and swapped out the torque converter with another from the junk yard. After everything was back together it was quiet again.
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Old 13 Oct 2014, 11:12 am
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Default Re: transmission squealing from where cv shafts come out, slipping

Yea, idk. The bad thing is, so many people have so many problems with these transmissions its hard to say. And ive never had a torque converter fail on me so i dont really know lol. Between solenoid packs, and TCM's , and sensors, and blah blah im thinking just pull the whole damn thing, i believe ive found another tranny for $100 plus $30 core at a pick-ur-part close by. Just have to take a day off work to get it pulled out. When i get time again to work on it, ill prolly just start preparing to get the tranny out, and maybe in the process ill stumble on it. If i can get another tranny for 130, thats gonna be easier and cheaper than troubleshooting it.
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Old 13 Oct 2014, 09:17 pm
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Default Re: transmission squealing from where cv shafts come out, slipping

If I was you I would be careful about getting a used one out of a pick-ur-part place. I had a co-worker do that and had to replace it with another one out of a pick-ur-part place. Be prepared for that possibility.
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Old 15 Oct 2014, 01:48 pm
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Default Re: transmission squealing from where cv shafts come out, slipping

Back in the early to late 70's when I had my shop I put a lot of used transmissions in cars. When someone would come in with a bad one in their car I would tell them I could rebuild it, depending on if all the castings and some other internal parts like the clutch drum, were alright for around $200.00 to $300.00.

The sticker shock almost always caused them to want to take their chances with one from a junker.

If I rebuilt their original transmission I would personally guarantee it for 2 years. Depending on where I would get the rebuild kit it would cost between $100 and $200. Even Napa who had the best guarantee on their parts only gave you 6 months coverage back then, a junker would cost between $50 and $100 at most of the junkyards around my area and most would only give you one month guarantee and that was only to allow you to get another if they had one, it did not cover labor at all..

Of course I would charge them more if I had to go remove the transmission then more yet to install it in their vehicle. There were several times that it would have cost them less to have me rebuild their original and would have taken much less of my time.

Generally speaking if the donor vehicle had low miles on it I was pretty confident that the transmission would be fine but I still insisted that I put at least a new filter in it for them. If they wouldn't agree to that I would tell them to take their car elsewhere.

Out of the hundreds of automatic transmissions I rebuilt or replaced only two that I can remember had failed torque converters. One came in that way, caused from the owner 'doin' broodies' 'Texas J's' and 'reverse specials'. Several of the clutches were fused in the internal drum on that one too.

The other I have no clue how he managed to take out the converter but it was definitely what was wrong. I had one from another car just sitting in the corner of the shop and put it in to test his car with.

There was actually nothing wrong with his transmission. He wanted a new torque converter even though the one I had put in was fine. He ended up with a rebuilt from Napa. When the rebuilt got in he decided I should also get the rebuild kit for the transmission and install it just to be 'safe'.
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