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Removing EBPV valve and Throttle Jack - Induction/Turbo/Chargecooler/Manifold/Exhaust - The Lotus Forums #ForTheOwners Jump to content


Removing EBPV valve and Throttle Jack


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Hi Fellas,

My EBPV hasn' been in use for some time (see photo not sure it' fully open either?) Im so far planned to replace exhaust from turbo back de catting it simply due to rust not performance.

Ive read on here to Remove throttle jack or diss connect it at least when ebpv removed, the car occasionally revved like it was on choke a few times but I put it down to its age and a 'no real problem' every now and then issue, now I don' want to risk it sticking in normal driving.

Any tips? Looks tricky to get the parts off with out taking the top part of the plenum off? I'I scared of petrol pipes ha ha. If I un-doo the cross over part I'm thinking I could keep the fuel pipes connected and lift it a few inches on a block? Am I being unnecessarily cautious?

Excuse the throttle cable protection stuff, that' being binned and replaced too.

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very easy to remove throttle jack. There's an E-clip at the throttle linkage. I removed the entire triangle bracket as well.

 

It can be done without removing the plenum horn. Unclip the secondary injectors wiring to give a bit more room, use a pick to open the spring to get the connector off, and then reseat the spring before re connecting, they'll just slide back on.

Travis

Vulcan Grey 89SE

 

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Got it off nice and easy showing a little info goes a long way, also took off some (not so) heat sheild protection from throttle cable and going to Remove the crack case breather green thing for a catch tank or a breather haven't decided yet. Some small splits in the thin hose are responible for oil mist around the back of the engine. Got lots of cleaning to do now. 

20171112_125754.jpg

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I would reinsulate that throttle cable.

One of my friends who happen to  have an SE like myself, soon after his purchase discovered, that the ebpv and throttle linkage were blocked and didn't Work propperly. Not needed, at should be takes off, cleaned up, wrapped in and put in storage for future originality ;)

Anyway, drives better without. I removed both on my car as well.

Kind regards,

Jacques.

Nobody does it better - than Lotus ;)

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4 hours ago, Chillidoggy said:

I'm curious: What's prompted you to remove the crankcase breather?

I saw the the photos.......yes you are!!!!

And probably the same thing as prompted you to remove your perfectly good oil seal:stuart:

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I' learning as I go along as such and took the whole pipe off for simpliciy. the small pipe to the none return valve was disintegrating and possibly sprayed a thin mist all over the back of the engine.  ordered new none return valves just in case, plan is to clean the green breather and fit an oil catch tank. The intake pipe to the turbo has in my opinion alot of oil in it so reading up on possible causes and doing everything i can find to help prevent it.

Whilst you guys are here, what thoughts on the charcoal canister? My car has always had a slight dip in revs between tickover and power, never been a problem but I'm reading the breather system can cause a hesitation? 

It has 37000 miles on it and I suspect it's original, haven't found a replacement but wondered if anyone else has changed there's?

 

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8 hours ago, Jacques said:

I would reinsulate that throttle cable.

One of my friends who happen to  have an SE like myself, soon after his purchase discovered, that the ebpv and throttle linkage were blocked and didn't Work propperly. Not needed, at should be takes off, cleaned up, wrapped in and put in storage for future originality ;)

Anyway, drives better without. I removed both on my car as well.

Kind regards,

Jacques.

Hi Jacques, I've got some heat insulating sleeve on order that' much prettier to keep the cable safe. Ive a list as long as my arm now of maintenance but enjoying getting stuck in.

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10 hours ago, Steve V8 said:

I saw the the photos.......yes you are!!!!

And probably the same thing as prompted you to remove your perfectly good oil seal:stuart:

 

Errr.......no. Both front and rear crank seals were leaking, when I bought the car. After I changed them, the real seal leaked worse than it did before!

Margate Exotics.

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7 hours ago, Andy Esprit SE said:

I' learning as I go along as such and took the whole pipe off for simpliciy. the small pipe to the none return valve was disintegrating and possibly sprayed a thin mist all over the back of the engine.  ordered new none return valves just in case, plan is to clean the green breather and fit an oil catch tank. The intake pipe to the turbo has in my opinion alot of oil in it so reading up on possible causes and doing everything i can find to help prevent it.

Whilst you guys are here, what thoughts on the charcoal canister? My car has always had a slight dip in revs between tickover and power, never been a problem but I'm reading the breather system can cause a hesitation? 

It has 37000 miles on it and I suspect it's original, haven't found a replacement but wondered if anyone else has changed there's?

 

 

If the crankcase breather system is in good order, there’s no benefit in fitting an oil catch tank, which will still need a breather on it, by the way. The current system gets rid of oil fumes well, but only if the pipes aren’t split, and assuming the engine isn’t breathing too heavily.

The oil in the turbo intake, if it’s clean, is unlikely to be anything to do with the breather system, and I don’t think the charcoal canister is the cause of revs dipping.

That’s it, I’m out.

I’m out.

Margate Exotics.

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