- #2300 of 2411
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Re: No drive or overdrive [maxx512]
by dadshop
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Apr 07, 2008 (11:10 am)
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Replying to: maxx512 (Mar 26, 2008 11:57 am)
Hey Max, In hte AOD transmision the intermidiat and forward clutches are applied and the intermideate one-way clutch is holding then the direct clutch pack applies to produce third & the int.clutch pack stay's applied & the forward clutch pack releases and the O/D band is applied along with the direct clutch pack still applied producing O/D. There has been problems with the converter damper hub/weld breaking loose in converter. At this hub it is splined for the direct shaft which then splines directly into the direct drum, in which case the failure of 3rd & 4th. The trany will need to be removed and have the converter damper hub checked if so replace converter, only problem of trying to check direct clutch pack is it sits completly at the rear of the transmission. So it would be wise to have the shop air check the passage to direct clutch pack to see if it applies OK. They will need to remove the valve body for this check. Hope this helps.
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- #2301 of 2411
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Re: 94 Astro doesn't want to upshift from 1st to 2nd [rikkilee2000]
by dadshop
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Apr 09, 2008 (8:32 am)
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Replying to: rikkilee2000 (Mar 16, 2008 2:44 pm)
Hey Rick, first, has any one worked on motor in the area of the fuel linkage or the detent cable? It's possible the detent (kickdown) cable is out of adjustment or the van needs a tune-up. Next might check for intermediate band adjusment, vacum modulator for leaking (if leaking might not see any fluid it will be going through the vacum line and burning through motor) or bad vacum from motor to modulator, check vacum. Next your clunk posibilities; high engine idle, warn u-joints - ware in differentail, rear band needing adjusment, the overdrive sprag worn, high/rev or coast clutch packs have to much clearance. Hope this helps.
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- #2302 of 2411
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98 gmc jimmy 4wd
by appleseed4
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Apr 10, 2008 (9:43 am)
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Hi there my jimmy is having some problems and i was hoping i could fix it myself,
I was having troubles initially getting my key out of the ignition, i found by moving my gear shift i could get it to come out. Then the problem got a little worse and now i am having problems starting it, i have to sometimes put it in neutral which actually appears to be reverse on my shifter. Im not sure what to do but i dont think its actually the transmission, probably the linkage?
Noobie here any tips would be appreciated. Thanks
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- #2303 of 2411
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Re: 98 gmc jimmy 4wd [appleseed4]
by fordfan_17
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Apr 10, 2008 (2:12 pm)
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Replying to: appleseed4 (Apr 10, 2008 9:43 am)
many common ignition problems occur from heavy key sets in todays cars, they tend to wear down the ignition cylinder and create problems. it sounds like you may have some worn shifter linkage maybe some bushings in the column worn out creating slop which will make it hard for the column to line up correctly for key removal...hope this helps
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- #2304 of 2411
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Re: 98 gmc jimmy 4wd [appleseed4]
by burdawg
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Apr 11, 2008 (5:28 am)
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Replying to: appleseed4 (Apr 10, 2008 9:43 am)
I would think a worn bushing in the linkage or something of that nature.
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- #2305 of 2411
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Trans flush problem
by captshiner
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Apr 11, 2008 (7:18 am)
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I recently went to have my oil changed and a Trans Flush done on my 97 Buick Riviera (250,000mi.) The oil change went routinely but when they tried to flush the Trans they said that the hose was turning with the bolt when they tried to take it out. I told they guys not to worry about it because they couldn't warranty the work so my question is this, how can i free up that bolt and get it to spin freely?
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- #2306 of 2411
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Re: Trans flush problem [captshiner]
by fordfan_17
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Apr 11, 2008 (7:49 am)
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Replying to: captshiner (Apr 11, 2008 7:18 am)
well with such a high mileage trans should be a 4t65e transmission i would not recommend "power flushing" the transmission as that process could cause a failure with the high mileage on the unit.if you want to service the transmission drop the pan and change the filter too. flushing the transmission does not always include filter change
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- #2307 of 2411
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Re: Transmission problems with 95 dodge avenger [kitchenwitch]
by fordfan_17
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Apr 11, 2008 (8:15 am)
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Replying to: kitchenwitch (Feb 27, 2008 8:57 pm)
it appears you have a 41TE transaxle commonly called a A604 this unit has a high failure rate of the input and output speed sensors and the pigtails that plug into them .they are accessable from the top of the car and can be changed with a 1' socket deepwell but before you do that straight away have ur transmission control module scanned you should find a small blue 6 or 8 pin plug under your drivers side of the dash it is only for the transmission control module and will require an above average scanner to access ie: snap on or mac mentor. get the codes from the tcm before you replace anything since you are desrcibing failsafe mode on your transmission.
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- #2308 of 2411
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Now, here was a surprise!
by wtd44
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Apr 12, 2008 (5:20 pm)
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Just reminding everyone that sometimes we find stuff in places we wouldn't think had them. I have looked around some at the typical automotive parts and supply places, looking for Chrysler +4 transmission fluid. Not needing it soon, I passed up the chances to buy at $5.00 per quart, thinking I'd find some brand somewhere at a little better price. I was buying Motorcraft oil filters today at Walmart, and thought I'd waste a little time on the longshot of looking for +4 in whatever brand. I found the "real thing" with the Chrysler brand name, and a bit of a discount as well. I could have gotten the house brand version for under $4.00, but took the Chrysler brand just to be sure... and what a surprise! 
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- #2309 of 2411
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Re: Trans flush problem [captshiner]
by dadshop
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Apr 15, 2008 (12:11 pm)
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Replying to: captshiner (Apr 11, 2008 7:18 am)
I agree with fordfan 17 that power flushing not a good idea. 250,000 miles that's alot, and there would be a very high failure rate. Yes, drop pan and change filter also, but failure can still be present, because there is natural clutch wear with friction and steel clutches on high milage vehicles. This wear produces a sludge buildup, this buildup addhears around the lip seals on the pistons and actually helps seal the lip seals. One thing to know is that transmission fluid is very very high in detergent, and a simple oil filter change can flush the sludge residue away and cause the seals to not have as good as seal as needed and can cause failure. I have seen this happen sometimes in two weeks to two months, and this failure is ends up in an overhaul. I have done this for a few customers; on the oil filter change with thier approval, take and reuse the original fluid by staining it through a paint strainer filter making sure there are no contaminants. This way were avoiding the detergant factor, postponing rebuild. This allows customer to start setting money aside for the transmission rebuild, that way the bill can be paid with a little more ease. Hope this sheds alittle more light.
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