E99 ZF5 five speed clutch question
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Tuned
Joined: Oct 2020
Posts: 467
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E99 ZF5 five speed clutch question
Hi everyone! My name is Andrew and I’m new here. I’m wondering if you could help me?
I recently picked up an early 99 that has a ZF5 swapped in. I’m looking to get a pre-bled clutch master/slave for it but can’t find one anywhere. I’ve heard some of these trucks (although very rare) came with five speeds but I can only find the assembly for a ZF6 which uses an internal slave.
Is it safe to assume my truck uses a ZF6 master and hose from a superduty and a ZF5 slave from an OBS?? If that’s the case I think I could piece one together although I dread the thought of trying to bleed it.
Any thoughts would be greatly appreciated. Thank you,
Andrew
I recently picked up an early 99 that has a ZF5 swapped in. I’m looking to get a pre-bled clutch master/slave for it but can’t find one anywhere. I’ve heard some of these trucks (although very rare) came with five speeds but I can only find the assembly for a ZF6 which uses an internal slave.
Is it safe to assume my truck uses a ZF6 master and hose from a superduty and a ZF5 slave from an OBS?? If that’s the case I think I could piece one together although I dread the thought of trying to bleed it.
Any thoughts would be greatly appreciated. Thank you,
Andrew
Tuned
Joined: Jan 2015
Posts: 342
Likes: 38
From: Espanola New Mexico
Superduty never came with zf5.
the zf6's shifter labeled L then 1-5 caused the confusion.
if they swapped a zf5 in, I would start by posting pictures of the clutch hydraulics you have then compare to what the zf6 trucks have.
the zf6's shifter labeled L then 1-5 caused the confusion.
if they swapped a zf5 in, I would start by posting pictures of the clutch hydraulics you have then compare to what the zf6 trucks have.
Butt-Head
Joined: Apr 2004
Posts: 9,448
Likes: 2,934
From: Reed Point, MT
That is, in fact a 5-speed based on the slave cylinder and bellhousing bracket.
Wow....
The 6-speeds were not "internal" though. They were also external but locked into the bellhousing from behind and pushed forward on the clutch fork instead of pivoting.
Good luck!
Wow....
The 6-speeds were not "internal" though. They were also external but locked into the bellhousing from behind and pushed forward on the clutch fork instead of pivoting.
Good luck!
Thread Starter
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Tuned
Joined: Oct 2020
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My biggest hang up is not knowing which hose I have. I ‘think’ I could get away with a superduty master and an obs slave but I don’t know for sure.
To my knowledge the truck was originally an automatic. The swap looks factory and is very well done.
FTE Leadership Emeritus
Joined: May 2014
Posts: 27,352
Likes: 5,946
From: Lake Hartwell, GA
If you are OK with using the proper master and slave regardless of them being for an OBS or SD and are only concerned about the hose, you could use your own or match what you have against what is available.
What I mean by that is compare images from various parts suppliers like Rock Auto and the like of the ZF5 and ZF6 assembly. I guess I don't know if you are concerned about the routing of the preformed hose, the length or diameter.
If you want to make your own, you could go that route.
What I mean by that is compare images from various parts suppliers like Rock Auto and the like of the ZF5 and ZF6 assembly. I guess I don't know if you are concerned about the routing of the preformed hose, the length or diameter.
If you want to make your own, you could go that route.
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Lead Driver
Joined: Sep 2010
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This is now the 2nd zf5 S.D. ive seen posted here...
to me, that does look like a zf6 master...wheres the reservoir?
to me, that does look like a zf6 master...wheres the reservoir?
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Thread Starter
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Tuned
Joined: Oct 2020
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Thanks for the help everyone. The reservoir is attached to a hose and mounted up on the firewall.
comparing on rock auto it looks like I have the ZF6 master and a ZF5 slave. That said I could probably piece one together I just hate the thought trying to bleed it.
Did the 5.4 and V10’s come with fivespeeds in the SD years? Was really hoping to get a pre-bled unit..
comparing on rock auto it looks like I have the ZF6 master and a ZF5 slave. That said I could probably piece one together I just hate the thought trying to bleed it.
Did the 5.4 and V10’s come with fivespeeds in the SD years? Was really hoping to get a pre-bled unit..
Lead Driver
Joined: Sep 2010
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Hotshot
Joined: Jul 2008
Posts: 12,782
Likes: 2,142
From: N.GA Mountains
Not sure about hydraulics though... Have you called a dealer yet? I GREATLY prefer OEM hydraulics for ZF6. My luck with aftermarket ones has not been good.
