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  #1  
Old 05-06-2011, 12:35 PM
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Grinding Downshift

Whenever I downshift from fifth to fourth only it will grind a little bit. I can get it not to do it if i slow down to like 25-30 and hold my shifter it seems a little to the right. I just bought it and i do not want to keep avoiding/ not even using 4th if it is a big deal. Because i do not want to tear up my tranny. Any ideas on what this could possibly be. Im new to this so im very green on stuff. Any info would be greatly appreciated. Maybe also what the cost of some fixes might be.
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Old 05-23-2011, 09:21 AM
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sounds like syrcros getting thin. usually how it starts. my blazer has been grinding a little going in and downshifting into 4th. was doing it when i got it and ive put @12k on it since and its about the same (no better no worse) i just shift it real slow with a few second pause between those gears. you can try changing the fluid and it might help but in the end the trans will need come out and get rebuilt or have new syncros put in it.
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Old 06-17-2011, 01:14 PM
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You're starting to get bad synchros. you'll either have to rebuild the tranny or learn how to double clutch. double clutching will solve all your shifting woes.
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Old 06-17-2011, 06:37 PM
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Double clutching is like muffler bearings.....
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Old 06-18-2011, 05:23 AM
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Put some redline MTL in it, Totally cleared up all of my tranny issues, and I had 'em bad!
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