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Old 11-18-2013, 02:13 AM   #1
Streetkarnage
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Default Blown Powersteering Rack (1jz swap)

Hi everybody,

Had a bit of a problem with rack, I'm trying to work out what would have been the cause of it.

I blew the rack out the top seal, personally I have never heard of this happen... so makes me think something is wrong. This was when I was getting my car to tuner, unloaded the car and then it just blew when we tried to drive it around the trailer.

My thoughts are,

the 1jz powersteering pump has too much pressure for the volvo rack.
(but I have never read this in other people that have done the swap)

The lines are back the front.

or just simply the seal was stuffed and it just didn't hold.
(Is it a common thing)


any info on volvo steering rack pressures or even a diagram of the rack? any info that will help will be very appreciated!

Thanks guys,
Zak.
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Old 11-18-2013, 02:19 AM   #2
Mueller
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k-jet.org has the greenbooks with diagrams and the pressures.

Not sure if they used both the ZF and the CAM racks on the we drive on the wrong side of the road cars or not
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Old 11-18-2013, 02:31 AM   #3
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Thanks I check it out.

to tell you the truth I'm not sure either hahaha I'll hopefully get to the shed in the next day or two to check what rack it is.
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Old 11-18-2013, 02:37 AM   #4
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well from this website... http://people.physics.anu.edu.au/~am...mgears_trw.htm

its a TRW

Quote:
note small TRW symbol opposite one of the banjo hose bolts
Quality Cast Alloy rack with steel tube sleeve is found from year 1988 onwards.
Pic shows a late 1996 version.
The round casting at the front holds a black plastic locking plug for pre-tensioning the piston (rather than shims on CamGear versions 1-3), and at the bottom a pressed steel dome seals the shaft axial end
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Old 11-18-2013, 02:38 AM   #5
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a photo of mine

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Old 11-18-2013, 05:56 PM   #6
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Quote:
Originally Posted by Mueller View Post
k-jet.org has the greenbooks with diagrams and the pressures.

Not sure if they used both the ZF and the CAM racks on the we drive on the wrong side of the road cars or not
I cant seem to find the greenbook for the racks
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Old 11-18-2013, 06:57 PM   #7
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http://www.k-jet.org/files/greenbook...irs_part_1.pdf

http://www.k-jet.org/files/greenbook...irs_part_2.pdf

Hopefully this will help. Didn't have time to download. On my phone.
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Old 11-18-2013, 07:49 PM   #8
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Legend thanks brother!
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