Annual service

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DARK STAR
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Annual service

Post by DARK STAR » Fri Dec 09, 2016 9:06 pm

With my GTC away on holiday in Lyon :roll: I thought perhaps I should give a bit of attention to Dark Star.
Having seen very little use in the last year it shouldn't need much ...

Levels are checked regularly, oil is clean, no water loss, brake fluid is not new but very clean.
Tyres needed quite a bit of air - and I notice that although they appear new, one is date-marked 2005 and another 2007.
And two are not date-marked at all. Must pay attention on the road and if entering any hillclimbs, buy a new set at once!

Next to the greasing, starting with the axle ends.
I cleaned the vent holes and stuck a probe in to see what the grease looked like.
One side there didn't appear to be any, the other side there was grease ... and rusty water :cry:
40 shots of grease each side seems to have rectified the situation.

Front suspension / steering took only one or two shots - but on one trunnion the grease squeezes out of the rubber joint just below the nipple and on the other it comes out of the blanking plate on the bottom.
Is either of these options correct?

Both track rod ends have disintegrating rubber boots, I suppose I'll have to change them, what fun.

Steering rack: according to the manual, this should be filled with grease.
Ok, but there is a threaded plug instead of a grease nipple (this is normal) so I opened it to find ... grease.
I must have topped this up at some time in 25+ years of ownership, but I've no idea how I did it, any suggestions?


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Re: Annual service

Post by toomanysabres » Fri Dec 09, 2016 9:25 pm

Shouldn't come out of the blanking plate. Put a euro or pound coin on the jack and lift the suspension on the plate then pump in grease and it should be made to come out of the rubber dirt seal. As it is trying to burst past the brass cap then it is probably fairly dried up in the threads. Maybe warm the trunnion housing with a hot air gun first to help the grease push the old out.


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DARK STAR
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Re: Annual service

Post by DARK STAR » Fri Dec 09, 2016 9:45 pm

Thanks Geoff, sounds like a good scheme.
Any tips for getting grease into the steering rack?


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Re: Annual service

Post by Nigel Clark » Fri Dec 09, 2016 9:54 pm

toomanysabres wrote:Shouldn't come out of the blanking plate. Put a euro or pound coin on the jack and lift the suspension on the plate then pump in grease and it should be made to come out of the rubber dirt seal. As it is trying to burst past the brass cap then it is probably fairly dried up in the threads. Maybe warm the trunnion housing with a hot air gun first to help the grease push the old out.
^^^ As he said, the grease shouldn't exit from the bottom of the trunnion through the blanking plate.

Normally when greasing, it comes out under the rubber seal between trunnion and vertical link. With the trunnion off the car, the blanking plate can be silver soldered to prevent leakage, or an easier option is to mix Araldite and smear it all over the bottom of the trunnion to encapsulate the disc blanking plate. I've done this on my TR6 with Araldite and it works well.


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Re: Annual service

Post by Scimher » Sat Dec 10, 2016 1:28 pm

...In the SE5 (& presumably 5a...), Chris - dunno about 6-series etc., the rack should hold a third of a pint of EP90 - added by using a litre bottle & spout...Although had brief custody of a coupe, I've no idea whether it's the same set-up...



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Re: Annual service

Post by DARK STAR » Sat Dec 10, 2016 2:34 pm

I thought it should be oil, and the filler seems to confirm it, but the Reliant manual says grease, and it has grease in it.
I'm getting confused again.


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Re: Annual service

Post by monkey » Sun Dec 11, 2016 6:45 pm

I think it is grease, can you remove the plug and fit a grease nipple. With a bit of luck the thread will be the same size.


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Re: Annual service

Post by DARK STAR » Sun Dec 11, 2016 8:26 pm

I thought of that but the thread looks bigger than a grease nipple, unless they come in different sizes.
And if it is supposed to be grease shouldn't there be a bleed hole somewhere?


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Re: Annual service

Post by monkey » Sun Dec 11, 2016 10:14 pm

There is different size grease nipples and they are normally BSP. If the rack is the one I think it is (bearing in mind I've not started on mine yet) the actual rack extends beyond the rack housing so is not oil/air tight hence the use for grease. Otherwise the oil would just flow into the steering gaiters and make a mess.

As I've said I have not looked at mine yet so just going on past experience.


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Re: Annual service

Post by DARK STAR » Sun Dec 11, 2016 10:33 pm

BSP !
That may actually exist over here because french plumbers work in fifteen sixty-fourths of a ninge or whatever.
Of course the nipples may be a different size ...


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Re: Annual service

Post by monkey » Sun Dec 11, 2016 11:00 pm

If you need a selection of nipples PM your address and I'll send you some


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Re: Annual service

Post by DARK STAR » Sun Dec 11, 2016 11:05 pm

That's a very kind thought Kev, thanks
PM sent


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Re: Annual service

Post by monkey » Sun Dec 11, 2016 11:58 pm

No problem, I'll pop them in the post this week FOC. Hopefully one will fit.


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Re: Annual service

Post by DARK STAR » Thu Dec 15, 2016 10:54 pm

Back to the trunnion, I managed to get a jack under the thing (first jack the car up, put it on stands, take off the wheel ...)
And after trying a 1 euro coin in various alignments I came to the conclusion that either the idea doesn't work or it only works in sterling.
So I must get round to changing the trunnion I suppose.
I have in stock a Daimler SP250 trunnion, I can't remember if they are a direct replacement ???


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Re: Annual service

Post by Oldconn » Fri Dec 16, 2016 10:42 am

That's a good question, which I can't answer; but I have a pair of good spare trunnions , I could send you one as a swap if you like, then your orignal one can be soldered or whatever at leisure. Drop me a PM if you like :) .


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