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Re: Code P1870 again, new valve body already
MT,
While GM did make big improvements to the later valve bodies, they are definitely not without their problems. I have had to sleeve quite a few of them, although a great deal less than I used to do. The regulator valves in any valve body tend to wear fast mostly because regulator valves are very "busy" valves. The P-0894 almost always is in the TCC circuit. It would be nice though if he could get some more help from the trans guys over there. I guess he's kind of stuck.
transman
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GM MASTER TECHNICIAN
SR. TRANSMISSION BUILDER
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