My Ser III is leaking oil from the three shifting sliders on the main gearbox. I have replaced the seals a few times with genuine items, but the leaks start back up after a few weeks. I have ensured that the vent holes are clear. I am now considering using standard orings inplace of the original type seal. Has anyone out there had success with standard orings? If so what sizes did you use (dash number).
Shifting fork seals
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I've never had those seals leak ever. If that is your only source of leaks, you have a unique transmission, which requires immediate investigation.
Are you filling it with the fill plug on the side, or some other way?61 II 109" Pickup (Restomod, 350 small block, TR4050)
66 IIA 88" Station Wagon (sold)
66 IIA 109" Pickup (Restomod, 5MGE, R380)
67 IIA 109" NADA Wagon (sold)
88, 2.5TD 110 RHD non-hicap pickup
-I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.Comment
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What Kevin said. They'll be a little tight at first but after a few weeks of shifting they'll free up. And no more leaks. You may want to double up on the retainer if you have an extra. It's pretty weak.
jimComment
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Are Series IIA and III different on these seals?61 II 109" Pickup (Restomod, 350 small block, TR4050)
66 IIA 88" Station Wagon (sold)
66 IIA 109" Pickup (Restomod, 5MGE, R380)
67 IIA 109" NADA Wagon (sold)
88, 2.5TD 110 RHD non-hicap pickup
-I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.Comment
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I probably dont need to ask-
Are you putting them in the right way? They are tapered and should be installed in a certain direction.1968 Land Rover "Park Ranger" camper **SOLD**
1967 109 **SOLD**
NADA Dormobile #601 **SOLD**
1965 IIA 88 2.5NA Diesel
1963 Mercedes 300se
1975 Volvo C303
KJ6AQKComment
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