Rattle in low range......

[Cracka]

Well I went out on wednesday scoping out a new area to collect firewood. It was pretty steep and I was using 1st 2nd 3rd low range for a part of it. I found when under a bit of load about 1250 rpm I get a rattle from the transmission tunnel area that disappears at 1500 rpm. I'm not being OCD with this one its pretty loud.

This only happens in low range, no noise in high range.

Has anybody had this or have any ideas.

[ezyrama]

Check your front drive shaft flange bolts. Mine did a similar thing. Land Rover found and fixed it under warranty, it's not an uncommon occurrence.

[Cracka]

Thanks ezyrama,

I checked all drives shaft flange bolts front and rear today, they were fine.

I did find a loose bolt at the front of the seatbox, drivers side against the transmission tunnel which bolts to a bracket on the chassis. This I'm hoping was the culprit.

I also found when the Hi Lo selector is in low range the retaining clip at the bottom of the pivot arm actually contacts a bolt head on top of the transfer case. Not sure if this could make the sound I could hear, though anything's possible.

Well I took the car to a hill (on bitumen) tried it in low range and got no rattly noises . I can't see that if would be any different off road but will see next week when off road again.

[Disco4_tech]

Number 1 rule - don't engage 4wd on bitumen. Wayyyy to much windup for the transfer case to handle.

[vnx205]

Low range isn't a problem on bitumen. CDL is.

[Disco4_tech]

You sure that low range is okay on bitumen?

Try do a turn on bitumen and tell me how you go

[Disco4_tech]

While your at it, also give some more tips to people on how to properly treat their drivelines.

[vnx205]

You sure that low range is okay on bitumen?
Yes.
This is in the Defender section of the forum. If it was in the Series LR section, the answer would be different.
Try do a turn on bitumen and tell me how you go

While your at it, also give some more tips to people on how to properly treat their drivelines.

The OP didn't ask for more tips. He is just trying to deal with one issue.

[Leyland1980]

Number 1 rule - don't engage 4wd on bitumen. Wayyyy to much windup for the transfer case to handle.

Defenders are in permanent 4wd so should I avoid tar all together?

[justinc]

You sure that low range is okay on bitumen?

Try do a turn on bitumen and tell me how you go

Errrr, I ALWAYS back trailers especially when performing tight turns into difficult spots in low range. As said engaging CDL is the problem, not the gear range.

My 2c contribution to the OP is I would be also be suspecting the clutch if it is a Puma Defender...

JC