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Oiling the Trunnions


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We are advised to lubricate the lower steering swivel (aka trunnion) with gearbox oil, not grease. I have tried this on numerous occassions using a standard grease gun only to end up with oil in the trunnion and everywhere else. Unless I can find an oil gun, I am tempted to try using 'red grease', which has a consistancy similar to treacle and is recommended for chassis lub, chain saws etc. Anyone have any solutions?

Yours

Paul

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We are advised to lubricate the lower steering swivel (aka trunnion) with gearbox oil, not grease. I have tried this on numerous occassions using a standard grease gun only to end up with oil in the trunnion and everywhere else. Unless I can find an oil gun, I am tempted to try using 'red grease', which has a consistancy similar to treacle and is recommended for chassis lub, chain saws etc. Anyone have any solutions?

Yours

Paul

 

If you watch ebay for long enough (under triumph parts) there is an american selling a proper oil gun system - only about £25 imported - this works and doesn't oil everything else - although you may need to strip and clean the trunnions to remove the old grease first.

 

mike

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I attended the TSSC bash at Stafford a couple of months ago, and there was a guy offering to oil your trunnions for (if I remember correctly) £3 per side.

 

I wish I'd had them done, for that amount it's not worth bothering yourself

 

Regards

 

Peter

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I'm unconvince by the use of oil rather than grease - fine in theory but in practice the end caps of the trunnions rarely seal effectively so the oil you put in dribble out all too quickly to provide effective long term protection.

Thin grease such as LM lubricates well enough and stays in the trunnion.

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Guest P Cobbold
P Cobbald who used to contribute on here regularly posted he got 150,000 miles out of a set of trunnions on black molly, that was good enough for me!

Ron

 

Ron,

But the trunnions were better made then!- the steel disc pressed into their base was grease-tight, unlike more recent offerings. They also got a filling of moly grease every 3k miles, until clean grease oozed out of the seal.

I had seen too many Morris Minors with a front wheel at a drunken angle to take chances with those trunnions.

Peter

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Peter, the plugs in the bottom of mine seal OK, I grease them with monotonous regularity, usually after I've been away on holiday in the car, I do it after the holiday rather than before in case any water has managed to get in due the wonderful summer weather!

They are very easy to reach, put the car on full RH lock and both mine are accessible without jacking the car up, literally a 2 minute job.

Ron

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Ron

Thats ok providing the grease nipples are pointing in the right direction!! It never ceases to amaze me the way some have been fitted.

Stuart

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The vertical link on my 6 has straight nipples to oil the trunnions, so that the oil can enter the trunnion via the bottom of the link, no problem on that side. Early TR6's as far as I know had a small sealing bolt in place of and the nipple was only fitted for refilling the oil.

I suggest to solder seal the bottom of the trunnions, so there will be no chance for any leak.

The problem with the early greases was that they contained quite an amount of water and for that reason the grease turned into a solid resin after some years :( I see that as one reason for BL to use oil instead of grease.

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