Tdi turbo hoses replaced - lack of power still exists. Help?

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Originally Posted by rainman

Now that I think about it, it can't have butterflies. There's no throttle linkage to the inlet manifold. Is that right?

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I get butterflies sometimes driving my Defender along the side of banks ! :eek:
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Does it have an EGR?
I know some 300tdi's did
If it was stuck open you would have symptoms like you describe similar to what happens to the TD5.

Paul.

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Originally Posted by uninformed

Pat, what do you mean by "valve set"?

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Sorry mate,I worked on CAT machinery for quite a while and we checked valve clearance and injector lift every 1000hrs and it's called doing a valve set.Just a bit of info,to do a valve set on any of the big trucks takes 12hrs and involves winding the engine over by hand with a 1/2'' drive ratchet and lying on top of the big piece of crap setting all the clearances,the engines are V16's with four valves per cylinder.You get big forearms after doing a few. Pat

EGR ? whats that?

I think there was/shoulb be a sedimenter or water trap or something mounted in the rear guard (visible near the wheel, from the outside) yes?
If so mine has been removed to allow space to fit the remote reservoir for the shock absorber. hmmm.

Valve clearances were done not too long ago... should be fine.

Vlad, I hope your sediment bowl hasnt been removed...a very simple but very effective bit of gear on the LR.

does your turbo sound normal but maybe a bit louder? more noticable whistle?

valve setting is the art of setting the valve clearances so that each cylinder recieves the same amount of air.

Pat if thats the sheet time for a valve adjustment where you work can I come work with you?

No, the TDI doesnt have a throttle butterfly, They are a horrid idea that are put in for one of 2 reasons the first being to create manifold vacuum to run the brakes because the designers are too lazy to install a vac pump on the engine the second is to make a diesel engine respond like a petrol engine so that people who've never driven a diesel before dont have to learn to adapt from one type to the next. Fortunately that idea died of in the mid/late 80's.

I'll be spanner swinging on friday arvo, wheel it on over after about 1600vlad.

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Originally Posted by Blknight.aus

throttle butterfly, They are a horrid idea that are put in for one of 2 reasons the first being to create manifold vacuum to run the brakes because the designers are too lazy to install a vac pump on the engine the second is to make a diesel engine respond like a petrol engine so that people who've never driven a diesel before dont have to learn to adapt from one type to the next. Fortunately that idea died of in the mid/late 80's.

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Love it! :BigThumb: You are so justifiably bitter Dave :D.

James.

[QUOTE=VladTepes;1618062]EGR ? whats that?

http://www.landyzone.co.uk/lz/attach...s-p1090004.jpg

EGR= Exaust Gas Recirculation, don't know if it was fitted to all 300tdi's but it will eventually give you problems if it is not bypassed or removed.

Paul.

[quote=harro;1618540]

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Originally Posted by VladTepes

EGR ? whats that?

http://www.landyzone.co.uk/lz/attach...s-p1090004.jpg

EGR= Exaust Gas Recirculation, don't know if it was fitted to all 300tdi's but it will eventually give you problems if it is not bypassed or removed.

Paul.

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AFAIK EGR was never fitted to any Defender imported into Australia.

[quote=rick130;1618555]

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Originally Posted by harro

AFAIK EGR was never fitted to any Defender imported into Australia.

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Thanks for the info Rick, I know my 300 didn't have one but didn't know no Oz imports did.
Cheers,
Paul.