NV236 Clunking
I recently changed my Transfer case fluid (NV236, Yes used Autotrack II). Im getting clunking in Auto, and 4hi. not in 2hi. Service 4WD light comes on and lights on my 4 button switch go out. Seems to be just staying in 4x4 and clunks during acceleration. My transfer case has 3 plugs, top one is the one with the Torx/ Allan and there are two other identical ones on the back. Bottom and mid way up. I drained all the old fluid out of the very bottom plug, then filled it untill it was up to the top Torx/Allan plug. used a hose with a manual pump to fill, but seemed like there where two different places to fill. directly above the hole for the plug, and if I fed the hose in further it seemed like there was a separate chamber. so filled the first till it started to overflow, then I could still put fluid it the further top portion without it flowing out of the plug.... After about 2 1/3 L of fluid I didn't add anymore. Did I do anything wrong?
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did you read the manual to see how much its suppose to hold?
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T case is over full. You should use just under 2qts.
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would over filling it cause clunking? Should I just fill it to the plug 1/3 up? cause it's filled to the top Torx/Allan key plug @ the top.
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Once it starts coming out of the fill plug that means its full.
A clunk can mean a lot of things. IS it coming from inside the tcase? Have you checked the front shaft for play? |
No front shaft play, but apparently I topped it up to the the Mode Fork plug, thinking it was the upper fill plug after reading on here that it was going to be a Torx/Allan style plug.....
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Drained fluid to proper level (wasn't that over full) Still clunking, but may be from front axle assembly as well.
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When does it clunk? when you turn? when you go a certain speed?
Does the front end lock? |
It clunks when you take off, harder you take off the worse the clunk (Circular binding sound) Turning has no affect quiets down after 40km/h or so, or if I let off the gas. Maybe front axle vacuum actuator?
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did you check the rear drive shaft?? maybe some universals.
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