Transmission slipping?

Transmission slipping?

Postby 00awd [OP] » January 11th 2017, 2:32am

Hey guys, I have a 2000 awd with around 130k on it. She's been used without a doubt... Everything from towing, hauling, hunting, work, snow, mud... always been taken care of though. Tonight, as I tried to merge onto the thru way after work I noticed the engine and tranny didn't seem to be on the same page. It would down shift, and rev, but barely accelerate. Earlier today, I had noticed for a brief minute it had a hard time accelerating from a rolling start on a city road. I checked transmission fluid when I got home and it shows the level is really high, which I know it wasn't before. Van was level, running in park when checked. Any ideas? Tranny smoked? T case maybe? Another damn fuel related issue? No check engine light. I love the van. It's served me well. Any help would be appreciated.
Jason
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Re: Transmission slipping?

Postby Mmusicman » January 11th 2017, 4:29am

00awd wrote:Tranny smoked?

Yes
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Re: Transmission slipping?

Postby plymouthcranbrook » January 11th 2017, 4:42am

My 2001 AWD acted just the same only worse. Barely made it to the repair shop. Lost reverse, etc. Very costly to repair, mine was $2600 at local shop. Mine went to 178,000 miles though. 130,000 seems early for a Astro.
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Re: Transmission slipping?

Postby 1lowcab » January 11th 2017, 5:02am

Start checking around at junkyards, I swapped mine out with one with 86k miles for $500.


Try this place, easy way to search the yards.
http://car-part.com/
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Re: Transmission slipping?

Postby 00awd [OP] » January 11th 2017, 12:17pm

Hey thanks a lot for the quick replies. I'll start looking for a good used one.
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Re: Transmission slipping?

Postby 00awd [OP] » January 11th 2017, 12:24pm

Great site 1lowcab. Found a ton of transmissions within a couple hours of my house. Many are off of 4x4 blazers. Think I might do a tcase swap while I'm at it if I can get a decent price on both.
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Re: Transmission slipping?

Postby Astrofarian » January 11th 2017, 2:18pm

00awd wrote:Great site 1lowcab. Found a ton of transmissions within a couple hours of my house. Many are off of 4x4 blazers. Think I might do a tcase swap while I'm at it if I can get a decent price on both.


A wise use of the money you'll save by doing the job yourself.....and an upgrade, to boot! Curious, what is a tranny for an AWD worth in your neck of the woods? Around here they're anywhere from $3-700 it seems. (In Canadian $$$ of course)
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Re: Transmission slipping?

Postby 00awd [OP] » January 11th 2017, 2:46pm

From what I saw today a rebuild with 3 year warranty is about 1500, but there were a bunch in somewhat local yards with 80-90k on them for the 400 to 700 dollar range. All say tested and working, some offer a short 30 or 60 day guarantee.
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Re: Transmission slipping?

Postby 1lowcab » January 11th 2017, 2:53pm

Just remember, if you don't get one from an astro you'll have to swap over the extension housing from your old transmission. It's really very easy to do, just 6 bolts. The Astro extension housings are clocked different so they lift they transfer case a littler higher so the front driveshaft clears the crossmember.
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Re: Transmission slipping?

Postby 00awd [OP] » January 11th 2017, 2:56pm

Didn't know that thanks for the info. Hopefully everything comes apart fairly easily. With all the salt we deal with on the roads up here rust is always an issue. My most important tool is my torch set.
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Re: Transmission slipping?

Postby chevymaherchevymaher is online! » January 11th 2017, 3:02pm

That is low miles for that to happen even with abuse. And you said it was way overfull. Check the fluid and see if anti freeze got in there. That fries clutches. The trans cooler has been know to go bad and leak.

It is overfull for a reason. Scorpions didn't put it in there.
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Re: Transmission slipping?

Postby 00awd [OP] » January 11th 2017, 3:39pm

Will do thanks. If coolant did get in there the damage is done already so it's all gonna get replaced anyway.
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Re: Transmission slipping?

Postby 00awd [OP] » January 11th 2017, 3:53pm

Chevymahar, I had just pulled the van outta my rather steep driveway onto the street to check the level last night after getting home. I wonder if that's why fluid read high. It didn't look like it was contaminated though. I'll check again after I get home from work today and let you know.
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Re: Transmission slipping?

Postby markmitch » January 11th 2017, 4:14pm

I did my own rebuild on my 2 wheel drive trans it ended up costing me in the neighborhood of $1100 dollars to do it but that's with many hard parts replaced and heavy duty clutch packs added along with corvette servo and a shift kit. I priced a similar built transmission at 5 local to me shops and they all wanted $2700+ This was my first trans rebuild and without the special tools I had to take certain items to one trans shop to have them press in a bearing and one other item so I would not recommend a home rebuild unless you plan on buying these tools. I may buy the tools at a later date but who knows at this point. I have not tried the trans I built as of yet because I need a Y pipe for my exhaust. But I will post results asap.
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Re: Transmission slipping?

Postby 00awd [OP] » January 11th 2017, 4:18pm

Definitely keep us posted on how it turns out. Only tranny I've ever torn into was a motorcycle, much simpler than 4l60e. I've got an uncle that does rebuilds, but the place he works for won't cut anyone a break. And they're not cheap.
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Re: Transmission slipping?

Postby plymouthcranbrook » January 11th 2017, 5:44pm

The only thing possibly bad about a Junk Yard trans is the chance that it might wither not work, or work for a short time after installation. A reputable yard will give you another if that happens of course. Just need to remember that if that does happen you are out the time to change it twice. Good Luck. Hope it goes well.
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Re: Transmission slipping?

Postby TurnNburnTurnNburn is online! » January 11th 2017, 5:49pm

If it is indeed slipping, which it sounds like it is from your description, then it likely will need to be replaced fairly quickly before it leaves you stranded. If it is overfull that will cause aeration in your atf. Frothy bubbly atf doesn't lubricate very well and makes it very difficult to build up line pressure to shift, causing erratic, hard, and mistimed shifts.

That extra fluid in your trans didn't just get there unless you, or someone else added it, or it is contaminated from the trans cooler. If it has coolant in it, it should be pretty obvious on the dip stick, but also try taking off your radiator cap and look in there. Its going to look something like this. If this is the case you will need to replace the radiator as well.Image
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Re: Transmission slipping?

Postby dkGarnet96 » January 11th 2017, 6:16pm

yea sounds like slipping. Depends on what gears are giving you trouble...if the 3-4 clutches are going, you could still limp around in manual 1 and 2 if you needed to. Obviously recommend a replacement or rebuild. If you were local to seattle I could help you with a rebuild deal.

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Re: Transmission slipping?

Postby 00awd [OP] » January 11th 2017, 7:37pm

It takes off from a start fine, seems to slip once it's rolling and I try to accelerate, I especially noticed it yesterday from the 4-3 or 2 downshift. I'll double check the fluid today. It was pouring rain and 60mph wind last night so I was in a hurry to get inside. I am a little concerned with a junk yard part, even with a warranty it wouldn't be fun doing that twice. Dk I appreciate that. I'll post my findings tonight.
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Re: Transmission slipping?

Postby 00awd [OP] » January 11th 2017, 9:13pm

Just checked fluid after 20 mile ride.
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