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Post by wannabe on Feb 12, 2020 21:33:55 GMT
This will be a series of dumb questions, I'm sure, but that doesn't usually stop me... so... The DaveFab oil catch can has instructions that say: "Using the fasteners supplied, secure the catch can to the mounting point originally used by the charcoal canister. Remove the original hose between the PCV valve and the inlet manifold. Push the blanking cap onto the barb on the inlet manifold. Connect both the PCV and the barb on the other side of the cam cover to the catch can with the supplied hose. Secure the hose with the spring clips at either end." I get that both stubs/barbs in the cam cover will now lead to the catch can. I presume that the stub/barb at the front of the engine is where the cam cover 'breathes in' (from the air intake pipe), and the one next to the inlet manifold (with the one-way valve) is where it 'breathes out' (and into the inlet manifold / the cylinders), and the catch can will act as a filter for air circulating between the two and/or the outside world (via the catch can filter) as necessary. However, it appears that the charcoal canister is removed and the catch can fitted in its place? If that is the case, as I understand it the fuel tank vents vapours under pressure (e.g. when it's hot outside) into the charcoal canister, which then releases the vapours into the intake manifold when the ECU thinks is a good time (or at least that's what the Rod Grainger manual says). But if the charcoal canister is removed, what happens to all the associated kit (electronic gubbins, intake manifold feed, etc.)? And what happens to the fuel tank vapours? Does the feed from the fuel tank just get blanked off? Or am I totally reading it wrong, and the catch can is added to the charcoal canister mounting point? If that is the case, I can't see much space to make it fit... I've not asked davefab directly but thought I can't be the only one who's pondered this so figured I might as well ask another likely daft question... All advice gratefully received, as always. |
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Post by FFS Corders on Feb 12, 2020 21:39:54 GMT
Have a read of a charcoal canister removal guide and it should cover most of the bits you're pondering
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Post by dadbif on Feb 12, 2020 21:43:44 GMT
If you fitting a catch tank, does it mean your engine now runs?
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Post by wannabe on Feb 12, 2020 22:11:26 GMT
If you fitting a catch tank, does it mean your engine now runs? Refill coolant Change oil Connect battery Prime fuel lines Turn over to get some oil round Start it up In theory. Assuming the batteries is not flat and I've not Canoed it up. Catch can would hopefully keep the valves / intake manifold cleaner, giving it's always been a pretty heavy breather. (Cleaned out a lot of oily gunk from the manifold before refitting.) |
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Post by wannabe on Feb 12, 2020 22:13:29 GMT
Have a read of a charcoal canister removal guide and it should cover most of the bits you're pondering Cheers, will look it up. I was thinking that with a Jackson Racing Intake I could run the catch can on the hot side of the engine because there'd be a large gap where the standard intake runs to / the airbox sits - V6 has his on that side so I will have to check out his mounting. That would then mean being able to retain the carbon canister etc. |
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Post by V6 on Feb 12, 2020 22:48:33 GMT
This is all over my head. Although it brings back memories of me asking Skuzzle to remove my carbon canisters when my RB system was put on. It dropped some mass and made some room.
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Post by Zed. on Feb 12, 2020 22:53:41 GMT
Prime fuel lines Turn over to get some oil round Start it up erm, turning the engine over (on key) will 'prime' the fuel system although you can trigger electrically through the diagnostic socket. same happens with the oil (when using the startermotor)  Catch can would hopefully keep the valves / intake manifold cleaner, giving it's always been a pretty heavy breather. (Cleaned out a lot of oily gunk from the manifold before refitting.) if it breathes lots, the worst thing you could have done was to re-seat the valves & skim the head to increace compression & combustion pressures  Drive on Rich. ps. as to the carbon canisster, thats all related to the fuel system & if the breather setup is working properly  |
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Post by wannabe on Feb 13, 2020 6:12:36 GMT
Prime fuel lines Turn over to get some oil round Start it up erm, turning the engine over (on key) will 'prime' the fuel system although you can trigger electrically through the diagnostic socket. same happens with the oil (when using the startermotor) Yarp - I guess I was just thinking about wanting to get some oil round / oil pressure up before having it 'catch', so removing the HT leads would do that? And it wouldn't dump a gallon of fuel into the cylinders and make it hard to start? (Or should I remove the fuse for the fuel pump?) Catch can would hopefully keep the valves / intake manifold cleaner, giving it's always been a pretty heavy breather. (Cleaned out a lot of oily gunk from the manifold before refitting.) if it breathes lots, the worst thing you could have done was to re-seat the valves & skim the head to increace compression & combustion pressures Drive on Rich. ps. as to the carbon canisster, thats all related to the fuel system & if the breather setup is working properly Well... I'm owner number 17 and its had a hard life, from what I can tell, so it's done well so far! I'm not even sure the shell is straight TBH, so it's far from a Minter, lol. I'm not sure if it was just breathing heavily due to the burnt valve issue? Will see what happens when I start it, I guess... At least it's pre-cat so the MOT should be a pass, even if it is, er, 'classic' in it's aroma  |
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Post by Zed. on Feb 13, 2020 11:09:44 GMT
I'm not sure if it was just breathing heavily due to the burnt valve issue? Will see what happens when I start it, I guess... still not started?   also, an engine 'breathing' is usually due to cylinder-bore issues or pistons & piston-rings (vents combustion pressures & gasses into the crankcase then through the breather system  ) if it's that bad then you realy need a bottom-end refurb or replacement  also, MANN do a great breather system element, not cheap but efffective (unfortunately NO scene-points though ) Rich. |
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Post by wannabe on Feb 13, 2020 14:05:17 GMT
I'm not sure if it was just breathing heavily due to the burnt valve issue? Will see what happens when I start it, I guess... still not started? also, an engine 'breathing' is usually due to cylinder-bore issues or pistons & piston-rings (vents combustion pressures & gasses into the crankcase then through the breather system ) if it's that bad then you realy need a bottom-end refurb or replacement also, MANN do a great breather system element, not cheap but efffective (unfortunately NO scene-points though ) Rich. Shhhhhhh If I can't hear you, it can't be true  The bores looked good when I had it apart, no scoring or anything, and it didn't look like there was any residue from excess oil burning, but then I am no expert (as we all know). If it continues to use about a litre of oil for 1000 miles then I'll just keep topping it up - cheaper than a rebuild, and about what I used to put in one of my previous (non-5) cars... (And I think within tolerance for even some modern engines, IIRC??) I'm not familiar with the Mann system, will have a look at it, thank you for the heads-up  I've not tried to start it yet because I've not been to bed since yesterday - I'm trying to urgently complete some forms for a friend to submit to court for emergency custody of his child, whom the child's mother is pretty much abusing by overdosing with prescription medication with known long-term damaging side effects... It's a proper mission to make sure you're answering exactly what they want, providing what they need, and doing it for reasons that are valid as defined in law. No wonder Lawyers get paid so much, it's fecking painful. |
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Post by Zed. on Feb 13, 2020 15:02:11 GMT
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Post by V6 on Feb 13, 2020 16:04:36 GMT
I can confirm after a brief pop by that Wannabe's engine looks virtually finished.
Enjoy your sleep!
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Post by Zed. on Feb 13, 2020 16:15:58 GMT
I can confirm after a brief pop by that Wannabe's engine looks virtually finished OR I can confirm after a brief pop by that Wannabe's engine virtually looks finished Rich. |
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Post by wannabe on Feb 13, 2020 17:11:45 GMT
I can confirm after a brief pop by that Wannabe's engine looks virtually finished. Enjoy your sleep! Still awake...  |
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Post by Zed. on Feb 13, 2020 17:12:51 GMT
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)
le sigh