Annoying Noise, please help! - Land Rovers Only

Mike080381 · 02-25-2005, 07:59 AM

I have a 96 Defender 90 Tdi.
It has developed a repetative knocking noise, which appears to be worse when going at a constant speed. It is dampened by applying the breaks. It sounds like it is coming from under the cubby box, so I'm thinking something near the gearbox is causeing it. It is intermitent, and disappears for minutes before reappearing. The frequency of the knocking does increase with road speed, but not engine speed.
Any idea I would be most greatful!
MIKE.

worms · 02-25-2005, 02:35 PM

Have a look at the handbrake. Does the knocking change in reverse? (I had an intermittent problem where the handbrake jammed on and needed a sharp acceleration to release. Turned out the brake lining had come off the shoe and was jamming when I reversed it to park.)

Other option is the rear propshaft at that age it might need a look.

Mike080381 · 03-26-2005, 09:28 AM

Turned out that one of the teeth had broken off one of the cogs in the transfer box, and pretty much ruined that. I wish it would have been the handbrake..
Thanks anyway..

Marco Tulio Barreira · 03-26-2005, 07:13 PM

I have no idea what is going on, but why don't you begin checking the transmition brackets?

02-25-2005, 07:59 AM	#1 (permalink)
Mike080381 Member Join Date: Feb 2005 Posts: 3 Gallery: 0	Annoying Noise, please help! I have a 96 Defender 90 Tdi. It has developed a repetative knocking noise, which appears to be worse when going at a constant speed. It is dampened by applying the breaks. It sounds like it is coming from under the cubby box, so I'm thinking something near the gearbox is causeing it. It is intermitent, and disappears for minutes before reappearing. The frequency of the knocking does increase with road speed, but not engine speed. Any idea I would be most greatful! MIKE.

03-26-2005, 09:28 AM	#3 (permalink)
Mike080381 Member Join Date: Feb 2005 Posts: 3 Gallery: 0	Sorted! Turned out that one of the teeth had broken off one of the cogs in the transfer box, and pretty much ruined that. I wish it would have been the handbrake.. Thanks anyway..

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02-25-2005, 02:35 PM	#2 (permalink)
worms Member Join Date: Sep 2004 Location: Scotland Posts: 41 Gallery: 0	Have a look at the handbrake. Does the knocking change in reverse? (I had an intermittent problem where the handbrake jammed on and needed a sharp acceleration to release. Turned out the brake lining had come off the shoe and was jamming when I reversed it to park.) Other option is the rear propshaft at that age it might need a look.

03-26-2005, 07:13 PM	#4 (permalink)
Marco Tulio Barreira MarcoT-Brasil Join Date: Mar 2005 Location: Belo Horizonte-MG/Brasil Posts: 6 Gallery: 0	I have no idea what is going on, but why don't you begin checking the transmition brackets?

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