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4L60E shift problems

Old Sep 15, 2008 | 09:28 AM
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Default 4L60E shift problems

Hey guys, drove my car to school this morning and my car will not do the 1-2 shift without letting off of the gas. It also won't shift into 4th gear or whichever gear it is supposed to be in around 45-55. Other than that the trans runs OK. I haven't had time to check the fluid yet but I was just seeing if anyone had any quick ideas.

Trans is "performance" rebuilt with around 40k miles, I rarely ever drive it hard so I can't see this being glazed bands/clutches or anything

Thanks
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Old Sep 15, 2008 | 09:37 AM
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First do you have any codes or check engine light? The next if if the only issue is with 2nd and 4th i would suspect a 2-4 band issue
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Old Sep 15, 2008 | 09:59 AM
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I forgot to mention that I have the infamous "P1870" code. It's been tripping since I bought the car over a year ago.
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Old Sep 15, 2008 | 10:03 AM
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The 1870 code will cause very high line at all times if this has been ocuring for this long its very possible you have damaged the 2-4 band from the constant excessive line pressure
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Old Sep 15, 2008 | 03:28 PM
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Can I get that band replaced without having to rebuild the entire transmission?
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Old Sep 15, 2008 | 03:44 PM
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Depends on the condition and many shops are unwilling to just replace a single part
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Old Sep 16, 2008 | 02:13 PM
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I got around to checking the fluid, it is good and pink. Does this make any difference?
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Old Sep 16, 2008 | 03:53 PM
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not really all that tells you is its likely not burning friction material but it col still be broken , Band eye pin torn through partially maybe , You or someone will have to go into it to figure it out
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Old Sep 19, 2008 | 09:38 PM
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You were right, I got it checked out and it is the 2-4 band. Thanks
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