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Transmission Traumas?

2411 messages, Last post on Dec 04, 2009 at 1:19 PM
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I had to take my Dodge back for a new xmsn cooling line, because the original was able to melt or break. It was a safety recall.
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| My 1991 volkswagen passat sometimes shifts hard, is this normal? | |
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Those of you having shifting problems on a manual transmission might try a transmission oil change and the addition of MTL, which is a moly compound that often improves the situation. Usually a crunch on upshift is a synchro problem that will continue to deteriorate with time, but occasionally an oil change and additive will clear this up or make it much better. It's worth the $50 bucks or so to try. If an automatic is shifting hard, it could be lots of things depending on how the trans is regulated by the car's systems, but everyone should keep in mind that a trans service is always worth the money. An auto trans' worst enemy is heat, and degraded fluids cannot handle heat as well as fresh oil. |
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Katmandu, Obviously, those Crown Vic police cars are doing well, or the cops wouldn't keep buying them. Neither one of my Fords have problems with the transmission, and that includes a Crown Vic... Anyways, I think all makes have a bad design every once in a while, like GM's 5.7 liter diesel... |
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Katmandu. I tend to agree with you: drivetrain problems are those that cost the big $$$, and can leave you stranded to boot!!! For example, I look at the C.R. predicted reliability for the Malibu, and take note of the excellent drivetrain reliability and the poor "overall reliability" prediction by C.R.. Thanks for gathering the data guys, but I'll draw my own conclusions!!! Yours in grumbliness, Rick D. |
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| One of the cars that is regularly reviled for automatic-transmission failures is the fourth-generation (1993-97, but especially 1994-95) edition of the Mazda 626. Incredibly, Mazda makes *no* recommendation for changing out the ol' Dexron in this slushbox; the manual suggests only that you peek at the dipstick once in a while. Did they really expect this to last forever, or even just for the three years/50k miles of the manufacturer's warranty? And is there anything to that old story about how new fluid will cause an old, relatively neglected transmission to fail that much faster? | |
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on the subject of chrysler front drive 4speed trannies. according to a local chrysler service mechanic, the transmission in question no longer has a failure rate any higher than normal. but, he stresses that you need to explicitly follow these rules to keep your tranny in good working order for the life of the vehicle: 1. follow the severe service guidelines in your owner's manual. 2. only use mopar tranny fluid. even tho some dipsticks say dexron...don't use it. if a mechanic puts dexron in to top off the fluid...immediately change the fluid and filter and use only mopar 7176 fluid. therefore be especially wary of quick lube joints who might not use the correct fluid. just following these two rules should greatly enhance your transmission's life. he also mentioned that this transmission is very sensitive to the quality of the transmission fluid and that many people have eliminated problems with their units just by replacing the fluid and filter. |
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| I changed the filter and what ever transmission fluid drained out in my 96 Dodge last year. When I went in search of a fluid with the "Chrysler 7176" number, all but one place didn't have it. They recommended every other type, stating that the 7176 was only on Mopar fluid. I wonder if this could be responsible for the early demise of many Mopar Transmissions in the last few years? One place, like an "AutoZone" or "AutoPalace" said that no one used 7176 anymore. | |
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At around 55,000 miles I had the transmission fluid changed on my 92 chrysler lebaron. At 59,000 miles the transmission went.I am wondering now if there was a correlation. |
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araz and yaman, i just checked the owner's manual for my 98 intrepid and it states that i'm only to use mopar atf+2 type 7176 transmission fluid. it went on to say that use of any other fluid could shorten the life of my transmission and also affect shift and torque converter lockup smoothness. that seems a pretty strong argument to stick with the 7176 fluid if you ask me. now that i think about it, use of improper tranny fluid may have contributed to quite a few of those tranny failures that chrysler is so famous for. |
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