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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKIV-A4 TDIs (VE and PD)

VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old January 25th, 2007, 10:49   #1
Boostaddict
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Join Date: Mar 2003
Location: Detroit Area, MI
TDI(s): None :(
Default Power steering rack swap difficulty?

Long story short. A power steering high pressure line leak on a long trip caused the ps.pump to seize and throw the serpentine belt. I replaced everything with new parts and proper pentosin fluid. Power steering worked great until I lost steering a few weeks later. I suspect the dead pump might have caused debris that is trapped in the rack (the pump failure was pretty ugly) because the new pump is still spinning. How difficult is it to swap racks on these cars? Ive done my own t-belt, clutch, intake manifold, etc but never a rack on this platform. A rack swap on my mitsu required pulling the motor/trans to get at the subframe mounting bolts. My Bentley cd is at home or Id do the research there first (yes I searched the forum as well). Thanks,

Wayne
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Old January 25th, 2007, 15:17   #2
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Okay, did a bunch more searching. Consensus… it’s not an easy swap and requires dropping the front subframe. I found a used rack but am unsure about the possible differences in steering racks. Apparently there are different racks for 15”, 16” and 17” wheel’ed cars. Since its 10-20degrees out I might have to pay someone to do this job unless I can figure out another way to troubleshoot the rack.

One idea I had is to disconnect the return line to the reservoir, plug the reservoir, and check to see if there is appreciable fluid returning. If not, there is a plugged line. If the line is plugged, there might be some way to unclog it (backflush maybe) without removing the rack. A few bottles of pentosin would be MUCH cheaper than a rack and labor. Any ideas?
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Old January 25th, 2007, 16:05   #3
BobnOH
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Location: central Ohio
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If you do need to replace the rack, it's not near as difficult as a t-belt, clutch or intake manifold. You do need to drop the sub frame, 4 or 6 bolts (can't remember) and disconnect the tie rod ends. I would think it then wants an alignment. You might try bleeding the system first, disconnect the return line at the reservoir and place in a container. Turn the wheel gently to the full travel a couple times (til the fluids clean).
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Old January 25th, 2007, 16:36   #4
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Thanks for the input. I'll give it a try before swapping racks. Do you know if turning the wheel from lock to lock without the car running (front wheels off the ground) will force fluid out the return line? My guess is no, in which case I'll have to start the car when trying this.

I suspect that no fluid will come out the return line at all, as I have no hydraulic assist currently yet the pump is spinning. Sigh...
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