Power steering reservoir leak - '84 110 - Defender Source
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  #1  
Old December 20th, 2007, 08:27 PM
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Charles Galpin
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Power steering reservoir leak - '84 110

I don't know a whole lot about power steering systems. Is it normal to have it build up pressure? My 110 is leaking out the top of the reservoir. It looks like it took a good whack on the corner edge at some point and it's leaking out of the kink in the lid/lip. I tried to flatten out the lid at the kink, and in the process the little center cover/baffle which goes over the hole in the lid came off. I'll try jb weld it, but think I might just replace the whole reservoir. Interestingly, with a bit of duct tape over the hole it leaks worse than before - i assume due to pressure buildup. Is this normal? It seems this needs to be allowed to breath.

Thankfully the reservoir is rather large and thus I only have to fill it at the same frequency as my "smaller" leaks

thanks
charles

Followup - Does the reservoir need to be that big (when not leaking) or would it be sufficient to get one of the smaller newer style ones?
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  #2  
Old December 20th, 2007, 11:22 PM
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I may have one you can have once I hook up the bling one.
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Old December 20th, 2007, 11:31 PM
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Hmm, there shouldnt be pressure on the resevoir side of the system I dont think. PS I've seen only have pressure lines between the pump and steering box, whereas the lines to the resevoir are low-pressure lines without fittings.

Strange, how's the local chicken popluation?
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  #4  
Old December 21st, 2007, 08:59 AM
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Charles Galpin
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I think it's the steroids...

The reservoir has low pressure fittings to the pump. The thing is this reservoir is like a tin can, with a wide tin lid and no rubber seal. The lid has a hole in the top and inside a little baffle/plate I assume to limit the ingress of dirt (seems like a stupid design). The D90 has a nice firmly sealing plastic lid.

So i guess I am not sure if the hole is there because it needs to breath, and I have blocked that now (and the kink is now relieving pressure and fluid with it, or I have some pump problem causing added pressure.

charles
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  #5  
Old December 21st, 2007, 10:40 AM
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PS systems build pressure. My understanding was that the res was supposed to be vented. Fill it 2/3rd full and see if the situation improves.
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Old December 26th, 2007, 02:57 PM
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Charles Galpin
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Ron, you are right. It seems it just needs to be able to breath.

Buck, thanks for the offer but I think my lid will be fine (and the sealed kind wouldn't be good). I'll try jb weld the little baffle back in place, but until then my duct tape with a gap added seems to be fine.

The PS pump is now only leaking from the seal at the main shaft the drop arm goes on I'll try replace that seal before resorting to more drastic measures.

charles
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  #7  
Old December 26th, 2007, 04:02 PM
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Try a little lucas stop leak. Usually works for a while. The shaft wears on the bushing and that is what causes the leak. A new seal is a short lived fix.
You could send to meridian to have them rebuild it with a bearing in place of the bushing, but you would be down a little while.
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  #8  
Old December 26th, 2007, 06:48 PM
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Charles Galpin
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Mmh. Ok, will see.

Thanks,
charles
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