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Mo Murphy

Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2244

1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey

Forgive my lack of understanding but how do you get enough pressure with that little grease gun to push out the firmer old grease ?
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey

23rd May 2017 8:46am

Lightningtweeds

Member Since: 16 May 2017
Location: Fintry
Posts: 461

2008 Defender 90 Puma 2.4 CSW Stornoway Grey

Low volume/high pressure.

23rd May 2017 8:49am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17445

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

Lightningtweeds wrote:
My rearmost UJ has a nipple in the centre of the yoke with a right angle that is too close to the UJ so how would an extended nipple fit?

Aha, I assume that you mean the centre of the UJ (the middle of the joint) rather than the yoke, in which case it won't help at all.

I.e., like this:-

All my UJs, whether original factory fit or later replacements, have straight nipples which bisect one of the UJ angles and come out between yokes.
I.e., like this:-

A long nipple brings the greasegun coupler outside the joint completely.

I wonder why you have oddball UJs.

23rd May 2017 9:07am

Lightningtweeds

Member Since: 16 May 2017
Location: Fintry
Posts: 461

It's a Land Rover 👍

23rd May 2017 9:13am

agentmulder

Member Since: 16 Apr 2016
Location: Outer Space
Posts: 1324

Mine are like this:

And I have no connection/union issues with my gun, it's a cheapy, large cartridge style one with flex hose... Just lucky??

Bought an old Wanner one recently on the advice of the forum (the one I currently have is heavy!), but I haven't filled it yet. Solved the bowel problem, working on the consonants...

23rd May 2017 10:19am

Rallymental

Member Since: 17 Aug 2015
Location: The Garden of England
Posts: 468

2015 Defender 110 Puma 2.2 XS CSW Santorini Black

Ok, forgive my naivety but as the owner of a two year old defender how often should I grease my nipples?

The definition of insanity is doing the same thing over and over again but expecting different results.
Solihull, 1948 - "If we paint the chassis, it will last for years"
Solihull, 2015 - "If we paint the chassis.............................

23rd May 2017 10:46am

Lightningtweeds

Member Since: 16 May 2017
Location: Fintry
Posts: 461

Mine were dry and 2 nippes missing on delivery so i grease every year.

23rd May 2017 11:00am

Rallymental

Member Since: 17 Aug 2015
Location: The Garden of England
Posts: 468

So is it just a case of greasing every nipple you can find just in case or are there certain ones I should be looking at?
Also again forgive the idiot, but is there a right or wrong way to do it? The definition of insanity is doing the same thing over and over again but expecting different results.
Solihull, 1948 - "If we paint the chassis, it will last for years"
Solihull, 2015 - "If we paint the chassis.............................

23rd May 2017 11:10am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17445

There are only six, assuming that your vehicle has all the nipples it should. Many vehicles left the factory with fewer than 6 nipples, and there have been various service actions about replacing propshafts if your vehicle is deficient in the nipple department, but it is doubtful anything will have been done unless you've asked.

Each propshaft should have three nipples, one on each UJ and one on the splined extensible coupling (this is the one most commonly not fitted).

The correct way to grease them is:-

Disconnect propshaft flanges from gearbox/axle (or at least one end of propshaft)
Clean nipples
For each nipple in turn, inject a couple of shots of grease with greasegun whilst articulating the joint to distribute lubricant
Wipe off any surplus grease
Reattach propshaft

Having said that, the more common way is:-

Crawl under vehcile
For each nipple in turn, attempt to attach greasegun in order to inject a couple of shots of grease
Fuind that it is impossible to attache gun squarely/at all, and when pumped grease squirts everywhere except into the nipple
Think "Oh [insert your own naughty word here]! Stuff it, I'll just replace the UJs when they wear out!"
Exit from under the vehicle in a foul mood and despatch greasegun into far reaches of garage/workshop.

It is easier if you raise one wheel of each axle in turn very slightly off the ground so that you can rotate the propshaft when either greasing or unbolting it.

23rd May 2017 11:33am

Lightningtweeds

Member Since: 16 May 2017
Location: Fintry
Posts: 461

.....or just buy a chainsaw greasegun as per my post No1?

23rd May 2017 11:45am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17445

Alternatively, using a chainsaw greasegun:-

Crawl under vehcile
For each nipple in turn, press greasegun firmly agains nipple and watch as grease squirts out between the nipple and the gun and drops onto your face, due to the plug of dried up old grease which is blocking the nipple
Attempt to unscrew the blocked nipple to fit a new unblocked one, only to find that you don't have a socket or box spanner that fits in the restricted space avaialble
Say a few naughty words, then remove the propshaft from the vehicle in order to articulate the joints enough to get a socket on the nipple, and change the nipples
Have an epiphineal moment and realise that as the propshaft is now off the vehicle anyway, you might as well use a full-size greasegun and articulate the joints while greasing in order to do the job properly
Refit the propshaft secure in the knowledge of a job well done
Give the chainsaw greasegun to someone who has a chainsaw!

Only kidding, of course, and no offence intended!

Whatever method works best for you is the method to use, and if you find a chainsaw greasegun works for you, then go for it. It certainly will have the smallest tip of any type, and as long as the grease goes in, will work fine.

23rd May 2017 12:56pm

Rallymental

Member Since: 17 Aug 2015
Location: The Garden of England
Posts: 468

So, er where do I use the chainsaw? The definition of insanity is doing the same thing over and over again but expecting different results.
Solihull, 1948 - "If we paint the chassis, it will last for years"
Solihull, 2015 - "If we paint the chassis.............................

23rd May 2017 1:12pm

Rallymental

Member Since: 17 Aug 2015
Location: The Garden of England
Posts: 468

Reminds me of the old joke about having crap in the carburetor..........
Really?
How often do I have to do that then? The definition of insanity is doing the same thing over and over again but expecting different results.
Solihull, 1948 - "If we paint the chassis, it will last for years"
Solihull, 2015 - "If we paint the chassis.............................

23rd May 2017 1:14pm

Lightningtweeds

Member Since: 16 May 2017
Location: Fintry
Posts: 461

I am sorry i posted ths tip.

23rd May 2017 1:35pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17445

No, please don't be, it is a good tip. My last post was intended to be in jest.

If a chainsaw greasegun gets the grease into the nipples it is a totally satisfactory way of doing the job, and definitely easier to get into the space available.

23rd May 2017 2:15pm

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