ZF-6 shifting issues
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Cargo Master
Joined: Jan 2005
Posts: 2,902
Likes: 2
From: Pasadena, Maryland
ZF-6 shifting issues
I've been having some problems lately shifting. After the truck warms up, third and fourth are difficult to select. I also noticed that my clutch engage point is about 3" off the floor. Alittle lower than when cold. I've changed the fluid, no help. I use Mobil 1 synthetic ATF fluid. I know I have 300k(almost) on the truck, hopefully it isn't the tranny going up. Any suggestions??
FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
Likes: 6
From: Cabot, Arkansas
Possibly.....I would recommend you shore up the clutch hydraulics first as I believe that is the most likely cause.
2C3Z-7C522-CA was the part number for the complete hydraulic system last time I bought it (01/17/04). Listed for 131.10
2C3Z-7C522-CA was the part number for the complete hydraulic system last time I bought it (01/17/04). Listed for 131.10
Elder User
Joined: Apr 2005
Posts: 518
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From: sycamore, illinois
i'm thinking its probably the hydraulics but since we're on this subject i have close to the same problem but its only if the engines at/or above 2500rpm i have problems shifting all gears and the clutch will only disenage when pushed to the floor and will reenage about as soon as you let up my truck only has 110000 miles on it
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FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
Likes: 6
From: Cabot, Arkansas
Originally Posted by justblowin'smoke
i'm thinking its probably the hydraulics but since we're on this subject i have close to the same problem but its only if the engines at/or above 2500rpm i have problems shifting all gears and the clutch will only disenage when pushed to the floor and will reenage about as soon as you let up my truck only has 110000 miles on it
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Thread Starter
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Cargo Master
Joined: Jan 2005
Posts: 2,902
Likes: 2
From: Pasadena, Maryland
Originally Posted by cookie88
Possibly.....I would recommend you shore up the clutch hydraulics first as I believe that is the most likely cause.
2C3Z-7C522-CA was the part number for the complete hydraulic system last time I bought it (01/17/04). Listed for 131.10
2C3Z-7C522-CA was the part number for the complete hydraulic system last time I bought it (01/17/04). Listed for 131.10
Elder User
Joined: Apr 2005
Posts: 518
Likes: 0
From: sycamore, illinois
Originally Posted by cookie88
Could still be the hydraulics, but if the pick up point is changing the shift fork may be bending.
Logistics Pro
Joined: Aug 2005
Posts: 3,886
Likes: 180
From: Morgan Hill, CA
If the fork does bend to the point of breakage it can take out the whole enchilada. It happened to a friend of mine. Yes, you are in for some money. If the clutch is ok then you can get away with about 200 to 250 in parts for a NEW KEVLAR PILOT BUSHING, new fork, and new master/slave pre bled unit. If you need a new clutch you can expect another 600 for a LUK or South Bend.
FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
Likes: 6
From: Cabot, Arkansas
Originally Posted by justblowin'smoke
the hydraulics where replaced before i bought it, is there some after market clutch fork or something to fix the bending of the fork
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Cargo Master
Joined: Jan 2005
Posts: 2,902
Likes: 2
From: Pasadena, Maryland
Originally Posted by dpwilson
??What is now $180?? Dieselsite has the upgraded fork for $35 if that is "the part".
