4WB Drive problem rumbles when engaged

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kleever

kleever

New Member
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38
Hi I've just bought a 1972 lwb series 3. when I picked it up the the 4wd had been disconnected and the seller said that the last time it was connected it used to rumble when engaged. I havent had a chance to see how its dissconnected yet early dark night.I was planning the reconnect it next week but was wondering if you guys had any ideas on the possible causes. I dont want to put it back together to find that I killed something in my haste
It runs great in 2wd and its in excellent condition for it age. Im just hoping that my excitement of buying my first landy hasnt got me a donkey :confused:

Thanks for you help in advance.
 
yes he has. I know I should of asked more questions but I was like a little kid and wanted to get it home. hopefully when I get underneath her next week I wont have any suprises for this problem.

thanks for you reply
 
shirley the uj's, diff, wheel bearings wud all still be turning and wud still "rumble". wot is the diff between 2wd and 4wd - just the connection of the front drive train within the T-box?

that implies the "rumble" is within there?
 
that doesnt sound good, would that mean I would need a new transfer box? from looking around thier not cheep....

:mad:
 
The Mad Hat Man said:
shirley the uj's, diff, wheel bearings wud all still be turning and wud still "rumble". wot is the diff between 2wd and 4wd - just the connection of the front drive train within the T-box?

that implies the "rumble" is within there?
Click to expand...
If he has disconnected the 4wd by removing the propshaft, then the UJs aren't there, so son's rumble
 
i meant drive shafts, if he'd taken em both orf how would he get it home, unless he lived down hill of the seller - and mine has got 2 UJs per

or do you call what i call a drive shaft a prop shaft ?
 
prop shaft (of which there are 2) goes from the transfer box to the diffs.

I think the correct name is actually half shaft for what u are referring to as drive shaft....there are two in each axle going from the diff to the wheel flange.

i think drive shaft refers to the shaft that non- beam axled vehicles have which runs from the diff to the wheel. i mite be wrong there though.
 
got this off wiki:

In British English, the term "driveshaft" is restricted to a transverse shaft which transmits power to the wheels, especially the front wheels. A driveshaft connecting the gearbox to a rear differential is called a propeller shaft (or more commonly a "prop-shaft") and a driveshaft connecting a rear differential to a rear wheel is usually called a halfshaft. The name derives from the fact that two such shafts are required to form one rear axle.
 
yep.

rumbling could well just be a UJ, it wont rumble when it 2WD cos it isnt under strain ie its just spinning freely rather than being forced round by the engine.

Id start by lookin at UJs on the propshaft (just out if interest when in 2WD is a series vehicle RWD or FWD?).
 
RWD.
The drive runs from the engine, through the gearbox to the transfer box, which offsets it to the right, then out through the hand brake to the rear axle. In front of the transfer box is a dog clutch to connect a second shaft leading to the front axle when you want 4wd.
Strictly speaking the transfer box is behind the gearboc, whilst the bit along side it is the front wheel drive selector, but I'm being pedantic here.
 
Well I only had her for a while, what can I say she was a restoration project in disguise. I was total conned here, but good news with abit of encouragement I got my money back of the second hand car sales guy and bought myself a much better landy.

Thanks for all your help on trying to fix that old lady but i think she was ruined by a dodgie dealer :mad:
 
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