1970 2520 gas w synchro tranny, leaking hygard

cdm · Sep 21, 2013

I have a 1970 2520 gas w synchro tranny. It has started leaking hygard out of the access panel in the belly. I first noticed it when I shut it down after an hour of light use and a steady stream ran out for a minute or so. I'd say it lost about a gallon as the dipstick still showing 3/4 full but there is a slow drip that continues.Does anyone have any advice or insight? Thank you in advance for any advice or insight you have.

Brent in WI · Sep 21, 2013

Sorry to tell you this but if you have hydraulic oil leaking out of the access panel below the clutch you have a failed seal between the clutch housing and transmission housing and it will have to be split to fix.

Tx Jim · Sep 22, 2013

Seal on end of pto shaft could be leaking or pto clutch operating piston o-rings & bu washers(parts keys #18 & 19). pto control valve could also be leaking. As previously stated a split will be required to repair oil leak.

D- · Sep 22, 2013

Remove that panel observe pto pistons while running w/pto engaged. That is the most common source of leaking.
At least you will know before you split.

1970 2520 gas w synchro tranny, leaking hygard

cdm

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Brent in WI

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Tx Jim

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D-

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