Air check clutch packs in 700R4?
06-01-2005, 08:22 PM
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Air check clutch packs in 700R4? When air testing the 3 clutch packs in the input housing should they be air tight or is some seepage acceptable? The 3 -4 pack holds 35lbs., but I can hear air leaking when I test the forward and overrun packs. I opened it back up and checked the seals and pistons and they look good.
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Thanks.
06-01-2005, 08:51 PM
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Some air seepage is ok as long as it's coming form the seepage hole with the check ball, some fluid is allowed to leak by so the clutches release quickly. A good rule is if the clutch can hold with 15 to 20 psi of air the fluid pressure from your pump it will be plenty to hold it.
