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Discussion Starter #1
2001 mk1 scenic dci 1.9:

I am trying to hold the car at 2500 revs while checking coolant level (to get rid of air lock) and bleed correctly.

I am cursed with no parts diagram and cannot for the life of my find the accelerator cable .... ?

How (a mad question) can I rev the engine from under the bonnet.

(finding another to rev it is not an answer I'm looking for)
 

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Super Moderator Technical Supremo Platinum Member
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You can't, no throttle cable, fly by wire nowadays.
You can wedge the throttle a little.

TBH mate, I can't think of ever bleeding while at high revs...tickover with occasional blips on throttle to liven up flow and jar any air locks yes, but not holding it at revs.
 

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Super fantastic Mod Technical Supremo Nice Guy
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Why not just leave the cap off,
Take the car for a run,
Allow to cool take the cap off, place it on the front drivers seat.
Lock the car, go out next morning check the level, and refit the cap..
 

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Super fantastic Mod Technical Supremo Nice Guy
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Once thermostat opens, then water will flow, Thermostat starts to open at 80+ ,
If the car is now switched off, and allowed to cool, enough to take the cap off without the water rising , then gravity will allow air to come to the top..

Hence taking for a run, allowing the engine to cool slightly , removing cap,
 

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Discussion Starter #6
Ok. so the key here is the cap off overnight after getting up to temp (thermo open) on a run.

The result will be different if cap on overnight due to air not being allowed out under pressure. ?
 

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Discussion Starter #8
Car parked as working away .
. .. implementation still to be done. will report it's just if it is so it will be so so good as opposed to the myriad of other methods
 

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Discussion Starter #9
Car run to hot on short run.
waited half an hour and removed carefully rad reservoir cap.
cap on drvs seat.
will check in morning but on immediately removing cap was lower than low mark.
(it started on tip level mark)

but I have not tried this method and cannot be thought of as right pre this test.

will update
 

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Super fantastic Mod Technical Supremo Nice Guy
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YOU have put the cap on your seat..
IF an emergency arises, and you shoot out and jump in the car, and the cap is under the bonnet lid.
YOU will forget about it and drive off
 

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Discussion Starter #11
cap in seat .
also car not gonna be used till Friday morn (not tomorrow) as in hotel car park (continuing Renault renovation while working away).

if coolant needed tomorrow a walk to halfords in the eve.
 

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Sexy at 70 super duper mod..
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YOU have put the cap on your seat..
IF an emergency arises, and you shoot out and jump in the car, and the cap is under the bonnet lid.
YOU will forget about it and drive off
Defo won't forget if its on his seat..he will defo find it when he sits on it..

180913
 

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Super fantastic Mod Technical Supremo Nice Guy
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Yep
Same when doing brakes, and you have to leave the car for a few days..
Big sign over the steering wheel.
NO BRAKES,
Blanket over the engine, big sign on the steering wheel..
Thankfully not had to get a mangled blanket out of an engine for a few years now..

And People rush/forget,
 

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Sexy at 70 super duper mod..
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Yep
Same when doing brakes, and you have to leave the car for a few days..
Big sign over the steering wheel.
NO BRAKES,
Blanket over the engine, big sign on the steering wheel..
Thankfully not had to get a mangled blanket out of an engine for a few years now..

And People rush/forget,
What are you incinerating..ME FORGETFUL..hush yer mouth you..
 

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Discussion Starter #17
update:

car up to temp
after 30 mins cap off
(note level lower than low mark)
left overnight with cap to off
morning :
level lower than low mark.
filled to full level mark.

no run yet ...
 
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