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Steering rack leak

fless1
Snr Member
Posts: 239
Joined: Tue Jun 07, 2011 8:27 am
Location: Essex

Steering rack leak

Postby fless1 » Sun Dec 29, 2019 1:14 pm

Replace rack or fixable?
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'94 XJ40 - VIN 703709

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pimgmx
Posts: 3400
Joined: Tue Jul 08, 2014 12:07 pm
Location: South East of the Netherlands

Re: Steering rack leak

Postby pimgmx » Sun Dec 29, 2019 3:47 pm

Depends on what you're after...
A rack rebuild is the more costly and more durable scenario; replacing with a used item the more affordable and riskier (how long will it last?) option.

the daily: 01 S8 http://bit.ly/2kIwP4m
the eyecatcher: 93 Insignia http://bit.ly/1iGrmsU
the GT: 89 XJS http://bit.ly/1WQGpC5
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the ex: 93 3.2 http://bit.ly/14GTNrq

ChrisW
Posts: 1626
Joined: Sat Apr 14, 2012 6:05 pm
Location: Whatlington, East Sussex

Re: Steering rack leak

Postby ChrisW » Sun Dec 29, 2019 9:15 pm

Pro power steering in lakeside Essex quoted me £250 to rebuild mine with a 24 hour turnaround.
http://www.springballchange.co.uk
'93 XJR
'93 XJ12
'73 MGB Roadster
97 Range Rover Autobiography

naki_k
Super Moderator
Posts: 28836
Joined: Sun Feb 21, 2010 9:25 pm
Location: Kirton, nr Boston, Lincolnshire

Re: Steering rack leak

Postby naki_k » Mon Dec 30, 2019 12:38 am

The leak looks like it may have only just started.
Have you monitored how much fluid has been lost?

Obviously a full rebuild would be best, if you can budget for the cost of course.

As a “short term fix” though, you could try some “power steering stop leak”.
Essentially what it does is soften up the rubber seals with the idea that they will start doing their job again.

It’s all down to money as usual....
88 3.6 XJ6 PDH/CEM
90 Range Rover Vogue SE 3.9 V8 LPG
91 4.0 XJ6 Manual
92 4.0 XJR Manual
92 4.0 XJR
93 3.2s - 4.0 Manual conv
93 4.0 Sovereign
93 6.0 XJ81 DD6 x2
93 6.0 XJ81 XJ12
94 4.0 XJR
94 4.0 Daimler
96 4.0 X306 XJR
96 4.0 X300 D6
97 4.0 X300 Sport Manual
2000 LR Discovery ES TD5 A
Breaking 40/ 300

fless1
Snr Member
Posts: 239
Joined: Tue Jun 07, 2011 8:27 am
Location: Essex

Re: Steering rack leak

Postby fless1 » Mon Dec 30, 2019 9:30 am

thanks for replies.

Only just noticed it and fluid level doesn't seem to have gone down. Suspect a seal has gone as boot is not meant to contain PSF from what I have read.
https://www.britishparts.co.uk/classic- ... -kit-p1783 seems to be all seals, but only for Ser2,3, not MY94 Sovver.

Assume I cannot purchase seals individually? My boot looks a funny shape too - part number for new boot?
'94 XJ40 - VIN 703709

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naki_k
Super Moderator
Posts: 28836
Joined: Sun Feb 21, 2010 9:25 pm
Location: Kirton, nr Boston, Lincolnshire

Re: Steering rack leak

Postby naki_k » Mon Dec 30, 2019 11:57 am

There are full seal kits for sale, but you need to effectively do the rebuild yourself to use them.

One of mine usually has a couple of drips at one end, when it’s not been used for a while. It’s never lost any significant amount of fluid in six+ years.

It’s hard to say whether yours will turn into a full blown leak or stay as a few drips.
It’s really down to your pocket how you proceed.
88 3.6 XJ6 PDH/CEM
90 Range Rover Vogue SE 3.9 V8 LPG
91 4.0 XJ6 Manual
92 4.0 XJR Manual
92 4.0 XJR
93 3.2s - 4.0 Manual conv
93 4.0 Sovereign
93 6.0 XJ81 DD6 x2
93 6.0 XJ81 XJ12
94 4.0 XJR
94 4.0 Daimler
96 4.0 X306 XJR
96 4.0 X300 D6
97 4.0 X300 Sport Manual
2000 LR Discovery ES TD5 A
Breaking 40/ 300

pugboyracer
Posts: 182
Joined: Thu Jul 10, 2008 9:21 pm
Location: Hitchin

Re: Steering rack leak

Postby pugboyracer » Tue Jan 14, 2020 3:14 pm

naki_k wrote:The leak looks like it may have only just started.
Have you monitored how much fluid has been lost?

Obviously a full rebuild would be best, if you can budget for the cost of course.

As a “short term fix” though, you could try some “power steering stop leak”.
Essentially what it does is soften up the rubber seals with the idea that they will start doing their job again.

It’s all down to money as usual....


I tried some Lucas Power Steering Stop Leak in on of my old '40s/300s and it did exactly as it said on the tin.
In fact it worked so well I never had an issue again with that particular car. Well worth a go in my experience.
1996 XJR6