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Grenadier

Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5889

2011 Defender 110 Puma 2.4 DCPU Corris Grey

Burning small when pushed hard

After a few recent journeys, either up a long steep hill or at 110-120kmh on the M-way for a prolonged period, there is a considerable and distinctive burning smell that gets into the cabin when I stop. On exiting, the smell ‘seems’ to be coming from the rear of the engine bay and not directly under the cabin/seat box, but obviously sniff tests like this are not exactly precise. The smell clears after a couple of minutes.

As many will know I had a clutch and OS change recently. I also wrapped one metre of my exhaust to reduce cabin heat. This has started since that was all done.

Do we think it is too much/little oil in the transfer case?
Too much/little oil in the gearbox?
Wrong oil in either of the above?
Wrapped exhaust?
Some wire or tube (turbo?) getting hot in the engine bay?

Long drive planned for this coming Thurs (10ths to Barcelona), keen to work out what’s going on before then.

Ta Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey

10th Apr 2022 8:04am

LR90XS2011

Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3664

2011 Defender 90 Puma 2.4 XS CSW Galway Green

if you used a reputable garage to do the mechanical work I would bet it relates to the exhaust wrap, will probably pass after use but definitely worth checking fluid levels DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy

10th Apr 2022 8:40am

kenzle8a

Member Since: 12 Feb 2020
Location: None
Posts: 1074

Exhaust wrap can really stink for a few weeks until its been fully heat cycled. At least it did on the race cars, my cooper S had the manifold wrapped and it stank for a while.

Theres a reason we ceramic coat most things now.

10th Apr 2022 9:20am

Grenadier

Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5889

LR90XS2011 wrote:
if you used a reputable garage to do the mechanical work I would bet it relates to the exhaust wrap, will probably pass after use but definitely worth checking fluid levels

Reputable garage was me, and um, a mate. But we were very diligent on measures for lubricants etc. Will double check levels. Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey

10th Apr 2022 1:31pm

Grenadier

Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5889

lord-haggis wrote:
Exhaust wrap can really stink for a few weeks until its been fully heat cycled. At least it did on the race cars, my cooper S had the manifold wrapped and it stank for a while.

Theres a reason we ceramic coat most things now.

Good to know. As mentioned above to LR90, will check fluid levels and hope that the burning smell weans itself off…. Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey

10th Apr 2022 1:32pm

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