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Bluest

Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4216

2007 Defender 110 Puma 2.4 XS CSW Java Black

“Breathing” from oil filler

If I open the oil filler cap with the engine running, there is air blowing out? Is this a sign of something bad like injector seal failure, or could it be just normal (fingers crossed)? Engine is running fine. Off to Spain in it in a few weeks and really don’t want a big repair job before I go

2007 110 TDCi Station Wagon XS

22nd Jun 2024 7:55pm

MK

Member Since: 28 Aug 2008
Location: Santiago
Posts: 2420

2007 Defender 110 Puma 2.4 SW Chawton White

To my knowledge all these engines do that. As long it is not blowing grayish exhaust gases I would not be concern.

I have been trying to find some hard data about blowby flow about these engines. No luck yet. Puma 110" SW

.............................................................
Earth first. Other planets later

22nd Jun 2024 8:47pm

Bluest

Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4216

That's somewhat reassuring. Apart from a VCV issue now resolved its running as well as ever, so hopefully nothing sinister. I didn't notice any fumed. 2007 110 TDCi Station Wagon XS

22nd Jun 2024 8:54pm

MK

Member Since: 28 Aug 2008
Location: Santiago
Posts: 2420

But, I would keep an eye (if that is possible) on those injector seals. Not sure how long they last or if the clamping bolts have not stretched, etc Puma 110" SW

.............................................................
Earth first. Other planets later

22nd Jun 2024 8:59pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17438

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

They can last a long time - mine have lasted 17 years and 275,000 miles.so far.

22nd Jun 2024 9:35pm

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