AuthorTopic: Auto box running hot  (Read 2217 times)

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Offline wizard

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Auto box running hot
« on: August 11, 2010, 06:56:25 »
The auto box on Mrs wizards rangie is running quite warm.
I changed the fluid and filter in the box less than a 1000 miles ago.
is there something else i should be looking at ?

wizard

Offline Bowie

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Re: Auto box running hot
« Reply #1 on: August 11, 2010, 10:16:17 »
Does the warning light come on? If not then no problem, they do get quite hot, you can feel it through the carpet and soundproofing on the transmission tunnel.
1980 SIII Lightweight 2.25 Petrol - completely standard.
1991 Range Rover Vogue SE 3.9 V8 - now on LPG (sorted!), 2" lift, mud tyres, and more to come...

Offline Range Rover Blues

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Re: Auto box running hot
« Reply #2 on: August 11, 2010, 15:13:51 »
Agreed, until they are hot they don't run right.  The oil cooler on a V8 runs into the water radiator for the engine then through the bog brush to help it warm up.  Around 8o degrees wouldn't surprise me but I don't know the exact figure.

What makes you think it's running too hot? the bog brush could be full of mud which is the first thing to check, then check you havn't crushed one fo the cooler pipes somewhere.
Does it still change gear as it should?
Blue,  1988  Range Rover 3.5 EFi with plenty of toys bolted on
Chuggaboom, 1995 Range Rover Classic
1995 Range Rover Classic Vogue LSE with 5 big sticks of Blackpool rock under the bonnet.

Offline wizard

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Re: Auto box running hot
« Reply #3 on: August 11, 2010, 15:43:14 »
Hi
yep she runs fine, I can feel the heat through the carpet and thought it was a bit odd.
I'll have a look at the pipework and the bog brush thing tomorrow.

Cheers
wizard

Offline jjsaul

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Re: Auto box running hot
« Reply #4 on: August 21, 2010, 20:02:55 »
Mine used to get really hot on my classic (with 4.6) esp when towing...i replaced the bog brush with a big panel radiator that sits in a similar location...solved the problem straight away.
James

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Offline Range Rover Blues

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Re: Auto box running hot
« Reply #5 on: September 01, 2010, 00:42:01 »
I've bust another 'box :'(

Anyhoo, 300f is apparently the MAX temp you can let the oil get to.
Blue,  1988  Range Rover 3.5 EFi with plenty of toys bolted on
Chuggaboom, 1995 Range Rover Classic
1995 Range Rover Classic Vogue LSE with 5 big sticks of Blackpool rock under the bonnet.

Offline M6GKX

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Re: Auto box running hot
« Reply #6 on: September 07, 2010, 20:35:21 »
I've bust another 'box :'(

Anyhoo, 300f is apparently the MAX temp you can let the oil get to.

Ouch! Are you sure it's totally knackered then?

Offline Range Rover Blues

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Re: Auto box running hot
« Reply #7 on: September 08, 2010, 21:54:52 »
STarted slipping coming out of a rounjdabout and once it stopped I had no drive at all.  I don't know what the recovery company did but now it's stuck in neutral too.

It started with a lazy shift between 3rd and 4th.  It's possible that new oil might have lifted some muck into the governor as it had only been in 160miles :evil:
Blue,  1988  Range Rover 3.5 EFi with plenty of toys bolted on
Chuggaboom, 1995 Range Rover Classic
1995 Range Rover Classic Vogue LSE with 5 big sticks of Blackpool rock under the bonnet.

 






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