Be Sure to Check Your Tranny Oil.... - 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 10-04-2002, 08:32 PM   #11
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Quote:
Originally Posted by Jstpsntym
A few years back I was at my trusted oil change place and a tech noticed that the tranny fluid was starting to burn. I went out to the garage and he showed me. So I ok'ed new fluid and a filter. Within three months my tranny started slipping bad and the new fluid was already burnt too.

The guy that runs a transmission shop told me that changing your tranny fluid if its burnt is the worst thing you can do. Draining out the old and replacing it with new is what will cause problems. The new ATF you put in has so many detergents in it that it will eat up the clutch packs. He told me this before he rebuilt the tranny in my last car.
Damn, and I was about to agree with a total fluid and filter change......maybe add some new, and run it for a month, then change it all? I've never heard of this before.
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Old 10-05-2002, 01:06 AM   #12
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Let'* just cross our fingers and hope the bait......I mean the QUEEN'* trans isn't that bad.
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Old 10-05-2002, 01:23 AM   #13
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Do we call you Queen Dipstick now then????? Sorry Had to be said! LOL
My advice is top it up & check MORE regularly! If it'* really black then change first chance you get before the varniss biulds up too bad!
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Old 10-05-2002, 01:25 AM   #14
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Well I learned something today! TY Tamara
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Old 10-05-2002, 01:33 AM   #15
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BB, how'* YOUR beast? Gonna live?
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Old 10-05-2002, 02:02 AM   #16
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by willwren
Quote:
Originally Posted by Jstpsntym
A few years back I was at my trusted oil change place and a tech noticed that the tranny fluid was starting to burn. I went out to the garage and he showed me. So I ok'ed new fluid and a filter. Within three months my tranny started slipping bad and the new fluid was already burnt too.

The guy that runs a transmission shop told me that changing your tranny fluid if its burnt is the worst thing you can do. Draining out the old and replacing it with new is what will cause problems. The new ATF you put in has so many detergents in it that it will eat up the clutch packs. He told me this before he rebuilt the tranny in my last car.
Damn, and I was about to agree with a total fluid and filter change......maybe add some new, and run it for a month, then change it all? I've never heard of this before.
I dont know if that is all correct.... If you are having trans problems, and burning that badly, if have a burned barbecue smell from the fluid, then whats the diffrence if you change it or not, you trans is still shot either way... The #1 killer of the trans in my 91 Bonnie is heat.... These require a change at least once a year due to my driving habbits and the florida heat.... My 95 is no where near as bad due to the electronic controlls and better converter parts... If you ever have totally burned fluid, leave it in there till you can get it repaired thats if it doesn't fail soon... But again it still shot... You should never burn fluid like that unless there is an internal problem.. Or Towing too much... All in all when you start burning fluid severly, your trans will most likely go out soon..
I did not mean to imply that leaving the old tranny fluid in there will make the problem go away, just that putting new fluid in a bad tranny will speed up the demise. Keeping the old fluid will just prolong the life of the tranny long enough to either save up enough cash to get a repair or dump the car and buy something else.
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Old 10-05-2002, 04:05 AM   #17
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Tam, how many quarts did you have to add? I know when I burst my line and had that fire, I had to add almost 7 quarts, but I got 'er shut down before any heat buildup. Just curious to see how bad it might be....... Mine bounced right back, but I only had 70k (US ) on it at the time.
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Old 10-05-2002, 03:16 PM   #18
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Quote:
Originally Posted by willwren
Tam, how many quarts did you have to add? I know when I burst my line and had that fire, I had to add almost 7 quarts, but I got 'er shut down before any heat buildup. Just curious to see how bad it might be....... Mine bounced right back, but I only had 70k (US ) on it at the time.
Ok....first off my tranny is NOT shot...The oil is still an amber-reddy kinda color...it'* just burnt so low that it'* starting to burn. I think it must be leaking it. As I said before, the transmission shifts fine. If it were about to go, i think i'd notice it jerking or shifting really hard or slipping. It hasn't done either...and slipping is one of the first signs.

I'm going to have to put about 5L in it after the change. I still havn't done it yet...it'* been raining, but today looks like it'* starting to clear up..so maybe this evening. If the tranny is burning fluid and the fluid is stale, i think it will be best for a change in filter and gasket. Maybe i didn't have it on tight enough before, or did something wrong,which is causing the leak... who knows?? no one is perfect, not even Queen Dipstick
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Old 10-05-2002, 03:49 PM   #19
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Good luck, and keep us posted, your Highness.
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Old 10-06-2002, 11:57 PM   #20
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Well....I changed the fluid today.
Good news and bad news
Good news first. My tranny isn't burning the oil, and the oil was still a good colour. The tranny shifts great now and you can barely even notice it changing gears

Bad news:

The back bolts were all loose. So loose that I could undo them with my hands The front ones were loose too, just not as loose. And that'* where all the fluid was going. But I know that'* not from me...I remember even tightening it when it was hot, so that it wouldn't later expand and loosen the bolts.
Also, my oil pan and my oil filter was loose. I have NEVER taken my oil pan off...so I am led to believe that someone has been tampering with my car...trying to make it screw up (like run out of oil and screw the motor - too bad i have a check oil soon light) or run out of tranny fluid gradually until the tranny was screwed (which almost happened!!)
Someone who is mad at me, and jealous of my car...someone who actually knows enough to do something like that...someone like my ex...who also cut my tires.
I am so mad just thinking about it ...who knows what could be next?? loosening the bolts in the transmission...cutting some brake lines...or drainign them I think it'* time for an alarm.
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