Emergency tranny fix? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-08-2012, 11:56 AM   #11
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It could be a number of things, from the pump going bad, seals failing, clutches burnt, etc... I am not saying that the issue is guaranteed to be a plugged filter, but it is a possibility. If the filter is plugged and swapping it out helps the problem or seems to fix it overall, you are still on borrowed time as something failed to leave enough debris in there to plug the filter.

If it were me I would drop the pan and swap the filter. Worst case scenario you are out $20 - $25 for a filter and some fluid. If that still doesn't do much you could try the seafoam at about $10. To me $35 is worth the risk for a chance to give me a little more time to prep for a swap.
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Old 07-11-2012, 08:32 PM   #12
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Well, just got out from underneath the car. Its all bolted back together with a filter, but I haven't put fluid in it yet (I don't have any)... I was unsure if I was going to reuse the old fluid, but it came out black... and there was a lot of metal in it. This tranny is certainly on its last miles, and I can definitely see this stuff clogging the filter. The magnet was huge because of all the metal and sludge build up.

Tomorrow I'll pick up some cheap tranny fluid from Walmart and see how many times around the block I get.

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Old 07-11-2012, 10:38 PM   #13
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Pick up some expensive fluid from wall Mart, dexron vi. You might be amazed at the results.
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Old 07-12-2012, 01:54 AM   #14
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IIUC, all available GM tranny fluid is Dex VI. Perhaps I might still have an odd Dex III here or there hiding in one of the garages.

Does anyone sell Dex III today?!?

Kind of a moot point though, the car already had Dex VI in it.
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Old 07-12-2012, 11:04 AM   #15
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"Does anyone sell Dex III today?!?"

Everyone sells DEX III, DEX VI is hard to come by at many places, and is often double the price of DEX III at the chain autopart stores.

Wal Mart has a great price on DEX VI, but often is out of stock or only a few bottles on hand. Because Wal Mart is so much cheaper than the Autopart chains on DEX VI, but don't stock enough- I have made it a point to pickup DEX VI every time I go to Wal Mart, rather than be caught low when I am doing a flush.
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Old 07-12-2012, 02:22 PM   #16
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Quote:
Originally Posted by GunsOfNavarone View Post
"Does anyone sell Dex III today?!?"

Everyone sells DEX III, DEX VI is hard to come by at many places, and is often double the price of DEX III at the chain autopart stores.

Wal Mart has a great price on DEX VI, but often is out of stock or only a few bottles on hand. Because Wal Mart is so much cheaper than the Autopart chains on DEX VI, but don't stock enough- I have made it a point to pickup DEX VI every time I go to Wal Mart, rather than be caught low when I am doing a flush.
Ah, I see... Dex/Merc is all Dex III.

I guess I don't pay as close attention to tranny fluid as I used to (when my cars used to leak a lot more)... and when I was doing the last batch of filter and fluid swaps, I had the extra cash to just buy Dex VI across the board.

Looking at the difference between Dex VI and Dex III, it seems Dex VI is thinner for better fuel economy. I would question if a thinner fluid is a good idea for the situation I'm in.
I would think thicker is better to hold the clutches together _just_ a little longer.
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Old 07-12-2012, 02:38 PM   #17
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DEX VI focus is not on fuel economy. DEX VI is well documented in resolving fricition realted issues to include transmission chattter on AWD GM vehicles and reducing tranny failures. I would never use DEX III ever, DEX VI might be the biggest upgrade in tranny fluid in the past 50 years.
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Old 07-12-2012, 05:19 PM   #18
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What brand is the Dex VI at walmart? I can never seem to find it?
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Old 07-13-2012, 08:02 AM   #19
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Wal mart brand, super tech, blue container.
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Old 07-13-2012, 09:29 AM   #20
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Default emergency tranny fix

u might try dumping the old fluid, putting, in new filter and replacing fluid with hydraulic fluid and adding 1 qt of Lucas trans. additive.
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