Re: IML: rear-end/trans problems on '81

[Matthew Gill <mgill3@xxxxxxx>]

Dave,

Ok, i think i'll call the local mopar dealer and ask them if they stock Dexron II, the stuff that is supposed to go in the car. I'll just return the +4 stuff.
 
On Saturday, December 02, 2006, at 03:10PM, <sosmi@xxxxxxxxxxx> wrote:
>Matt, I don't think I would use any fluid marked +3, +4, these fluids are designed for newer cars, and the fluid has synthetic additives in them. Just find Dexron 2-3-4 thats ok. Dave
>
>-------------- Original message -------------- 
>From: Matthew Gill <mgill3@xxxxxxx> 
>
>> The shop manual says it takes Dexron II, but Checker didn't have any 
>> Dexron II, so i got ATF+4 fluid for Chrysler vehicles. It said that 
>> it replaces ATF+3. Is this fluid ok even though it doesn't mention 
>> Dexron II anywhere? Or should i take it back and find Dexron II 
>> somewhere else? 
>> 
>> 
>> On Dec 2, 2006, at 7:09 AM, Frederick Joslin wrote: 
>> 
>> > Hi Matt: 
>> > 
>> > For the transmission you need to check the fluid level with the 
>> > engine and transmission both warm to hot with the engine running, 
>> > transmission in neutral and on flat ground. Do this and if the 
>> > fluid level is low add a little bit if fluid at a time until the 
>> > reading is correct. I forget your vehicle, but it probably uses 
>> > DEXRON III trans fluid. If the fluid is low the transmission will 
>> > not shift properly. 
>> > 
>> > For the rear end you should really change the fluid. My experience 
>> > is with the 83/4" rear ends which do not have a drain plug. To 
>> > drain these you need a pump to pump the oil out through the fill 
>> > plug. Re-fill using a good rear end fluid any where from 75W to 
>> > 140W. Heavier fluids are worse in the winter, better in the summer, 
>> > and tend to quieten noisy rear ends a little. When I fill these 
>> > rear ends I basically fill it until it just starts to overflow. I 
>> > have not had any problems doing this. Again make sure you are on 
>> > level ground. 
>> > 
>> > Good luck. 
>> > 
>> > 
>> > ----- Original Message ----- 
>> > From: "Matthew Gill" 
>> > To: mailing-list@xxxxxxxxxxxxxxxx 
>> > Subject: Re: IML: rear-end/trans problems on '81 
>> > Date: Sat, 2 Dec 2006 01:10:42 -0700 
>> > 
>> > 
>> > I'm reading in my shop manual about the fluid 
>> > in the rear axle, which i believe is 
>> > considered to be the differential because it 
>> > mentions the Sure-Grip differential. It tells 
>> > me that the fluid levels need to be so far 
>> > below the bottom of the filler hole, depending 
>> > on the axle tube diameter and capacity pints. 
>> > How would one go about measuring the fluid? 
>> > I'm clueless.. at least I dont see how it can 
>> > be done without lifting the car up first. 
>> > 
>> > Gosh i hope it's just a fluid related problem, 
>> > of course that means I've got a leak to take 
>> > care of, which is still better than parts 
>> > getting broken. 
>> > 
>> > On Dec 2, 2006, at 12:46 AM, Matthew Gill wrote: 
>> > 
>> > > Ok i'm not sure exactly what the universal 
>> > > joint is, is it where the drive shaft 
>> > > connects to the rear end? I saw that, and it 
>> > > appeared normal to me, of course that was 
>> > > from on my back, at night, with a 
>> > > flashlight. I suppose i could take a look in 
>> > > my manual to find out how to check the 
>> > > fluid, along with the universal joint. 
>> > > 
>> > > Thanks 
>> > > 
>> > > 
>> > > On Dec 2, 2006, at 12:13 AM, john sadowski wrote: 
>> > > 
>> > >> A couple of things I would check are the 
>> > >> rear universal joint & check if the 
>> > >> differential fluid level is where it should 
>> > >> be. 
>> > >> John 
>> > >> ----- Original Message ----- From: "Matthew Gill" 
>> > >> To: 
>> > >> Sent: Friday, December 01, 2006 11:34 PM 
>> > >> Subject: IML: rear-end/trans problems on '81 
>> > >> 
>> > >> 
>> > >>> Alright, here's the scoop. 
>> > >>> 
>> > >>> As i drive it to have the car looked at by 
>> > >>> the guy's at the 76 station a couple days 
>> > >>> ago (or, my grandmother rather, since she 
>> > >>> drove it over for me at the time)... she 
>> > >>> tells me that she had to let off the gas 
>> > >>> a bit for the car to shift.. and just a 
>> > >>> while ago I was driving it earlier this 
>> > >>> evening and i went over a dip in the road 
>> > >>> and I hear a loud sound coming from the 
>> > >>> rear-right side of the car, it sounded as 
>> > >>> if i had metal objects clanging around in 
>> > >>> the trunk. AFTER I heard that sound, the 
>> > >>> car would no longer shift, it would go to 
>> > >>> about 32 mph and i would hear the RPM's go 
>> > >>> high but no shifting. 
>> > >>> 
>> > >>> After i parked the car, i checked 
>> > >>> underneath and i saw quite a few spots 
>> > >>> where it looked as though the trans leaked, 
>> > >>> but i checked and there's still fluid in 
>> > >>> it, the dip stick shows that it's in the 
>> > >>> "ok" area, although i was on a very slight 
>> > >>> incline... 
>> > >>> 
>> > >>> I'm confused and worried at the same time, 
>> > >>> does anybody have any helpful tips for me 
>> > >>> on this? What could be the problem? Maybe 
>> > >>> the rear-end, since I heard that loud 
>> > >>> noise in the back end of it? After it 
>> > >>> happened i continued to hear a squeaking 
>> > >>> sound coming from the back as well. 
>> > >>> 
>> > >>> 
>> > >>> Matt 
>> > >>> 
>> > >>> 
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>> > >> 
>> > >> 
>> > >> 
>> > >> 
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>> > > 
>> > > 
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>> > 
>> > 
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>> > 
>> > Fred Joslin 
>> > 
>> 
>> 
>> 
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