700R4 fluid level

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texasmike

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Sep 18, 2018
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Location
Conroe Texas
First Name
Mike
Truck Year
1984
Truck Model
C10
Engine Size
305
I recently checked the fluid level, engine running in park and fluid hot. Will anything be harmed if I leave the level about 3/16" above the full mark? Also, I sealed the hole in the center of the cap on the back of the slip yoke to prevent leaking from time to time. Will this damage anything or affect performance? I haven't noticed any change in operation after around 500 miles of normal driving and it shifts smooth and solid. Thanks.
 

PrairieDrifter

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Location
North Dakota
First Name
Mason
Truck Year
84,79,77,76,70,48
Truck Model
Suburban k10, bonanza k10, k30, k20, c10, gmc 1/2ton
Engine Size
350, 350, 350, 350, 350, 350
I recently checked the fluid level, engine running in park and fluid hot. Will anything be harmed if I leave the level about 3/16" above the full mark? Also, I sealed the hole in the center of the cap on the back of the slip yoke to prevent leaking from time to time. Will this damage anything or affect performance? I haven't noticed any change in operation after around 500 miles of normal driving and it shifts smooth and solid. Thanks.
My 700 starts making a gurgling type noise, guessing the pump, when it's got too much fluid. Hasn't seemed to hurt anything, but I am much more particular when filling.
 

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