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 Posted: Mon Sep 16, 2013 3:05 pm |
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Joined: Jul 10, 2013
Posts: 131
Trade Rating: 0
Location: Daventry
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Today I finally got around to doing my lift pump... new pump and seal in hand I try to get my old lift pump out.
I first observed this lovely chap removing his lift pump from his 406 with great ease by tapping the locking ring with a hammer and screwdriver.
YouTube Link
Excellent...
Anyway mine didn't want to move quite so easily. Infact after one hour of going full-swing with a lump hammer and little bits of plastic (and diesel.. lovely!) flying absolutely everywhere I quit and took a saw to it and finally cut the ring off.
So now I need to order a new locking plastic ring from Peugeot so the job is on hold. I am using the old ring and a rag to seal the hole to the fuel tank for now 
Basically I am looking for anyone who has done this job before to give me some pointers on refitting. I will be doing it on my own with no help available... Just any advice you had (relating to the seating of the O-Ring, keeping it in place, re-tightening of the plastic locking ring, anything...) would really go a long way right now... It is turning into a much bigger job than I expected.
I am also really concerned my fuel tank my have warped, hence the old locking rings total refusal to move. If so I'm fooked  but I will test this with the new locking ring, when it arrives, before trying to re-fit everything else.
oh and its a 2.0 muxed hdi!
Thanks again all
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Posted: Mon Sep 16, 2013 6:12 pm |
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Joined: May 16, 2011
Posts: 495
Trade Rating: +1
Location: huddersfield
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If i remember rightly, when i refitted mine, you have an arrow on the pump at 90 degrees,
which lines up with an arrow on the tank. Have a look at the locking ring that should have an arrow also, which obviously lines up for the tightness you need.
Make sure when you screw the locking ring on it doesn't become cross threaded, keep slightly unscrewing now and again to make sure, then when hitting with a screw driver don't keep hitting in the same place, alternate in different places around the ring, not hard but soft sharp blows.
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| 206 2ltr Hdi glx 53 plate | |
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Posted: Tue Sep 17, 2013 2:52 am |
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Joined: Jul 10, 2013
Posts: 131
Trade Rating: 0
Location: Daventry
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Thanks for that... I did notice the ring had arrows but will check pump and tank too. How did you get on with the o-ring? It seems to me like it should sit around the outside of the top of the tank opening. If this is the case keeping it in place whilst refitting everything looks a nightmare :/
Peugeot will have a new plastic ring for me tomorrow so I will give it a go then... Will post back with results
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Last edited by rlees85 on Tue Sep 17, 2013 2:54 am; edited 1 time in total
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Posted: Tue Sep 17, 2013 2:52 am |
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Joined: Feb 07, 2010
Posts: 2718
Trade Rating: +6
Location: UK
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I used a hammer and screwdriver, like a chisel, to remove mine and put it back on. Did it myself want to hard. Did you get a new O ring?
Also, check your new pump fits before you change it. Sounds obvious but I was sent the wrong one which was to small for the hole.
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Posted: Tue Sep 17, 2013 4:12 am |
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Joined: Jul 10, 2013
Posts: 131
Trade Rating: 0
Location: Daventry
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I tried using that method on mine but it was not having it even after a full hour of abuse. I was moving the screwdriver around (so 2 good whacks, then move 90 degrees around and 2 more good whacks, etc to try and distribute my efforts). I can see me having to tow my car to a garage for a new fuel tank tbh as I cant think of any other reason why it just would not move other than being warped.
Anyway I have a new O-Ring ready, I just can't remember where the old one sat, so I am hoping it will be obvious (though it didn't look obvious after it was removed).
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Posted: Tue Sep 17, 2013 5:24 am |
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Joined: May 16, 2011
Posts: 495
Trade Rating: +1
Location: huddersfield
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The o ring sits on the tank, then gentley place the pump inside the tank,
being careful not to bend the float.
Maybe you could put a smear of grease or something, to stop the o ring slipping.
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| 206 2ltr Hdi glx 53 plate | |
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Posted: Tue Sep 17, 2013 6:13 am |
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Joined: May 16, 2011
Posts: 495
Trade Rating: +1
Location: huddersfield
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When you have fitted the pump, not hard if you are patient and gentle, with the locking ring.
Pressureise the system in this manner.
(1) reconnect the battery.
(2) press the throttle firmly down.
(3) put on the ignition, release the throttle after 1 second, the ecu should now pick up the signal
and start to pressurise the system for 20 secs or so.
(4) don't start the car, switch off the ignition, and check for any leaks pump area.
(5) If no leaks, then you are good to start the car.
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| 206 2ltr Hdi glx 53 plate | |
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Posted: Tue Sep 17, 2013 7:33 am |
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Joined: Jul 10, 2013
Posts: 131
Trade Rating: 0
Location: Daventry
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nice trick about getting the ECU to do an extended pressurisation  saves flicking the ignition on and off loads of times
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Posted: Wed Sep 18, 2013 5:18 am |
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Joined: Jul 10, 2013
Posts: 131
Trade Rating: 0
Location: Daventry
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This morning I managed to have a go at this.
First thing was to try and install the plastic ring with nothing else. It went on but was very difficult to turn by hand so I guess my tank may have slight warpage. I got it to within half a turn before I decided that was enough and then removed the plastic cap again.
The o-ring bit is obvious, it sits around the top of the fuel tank screw thread. There is even a nice plastic lip to keep it in place (if your careful with it).
Positioning the float and pump into the tank correctly was also easy just take care and go slowly. You can feel when the pump is sat correctly in the tank(can not rotate it around).
As for the plastic ring that was an utter pain. Also prepare to slice all your fingers on the edge of the hole your working in. After you get it started you can tell if you have it cross threaded or not by running your finger under the lip of the plastic ring and feeling the gap between it and the fuel pump. If it is equal all the way around you should be good. When I had it cross threaded it was really noticeably on the p**s.
Once it was on flat it was REALLY hard to turn by hand all the way up until half a turn away from where it was meant to be. Then nothing would move it.
I drove it to a mechanic (no leaks, good sign) who then got another quarter of a turn out of it (using method below) before saying he really does not feel comfortable going any tighter and said it should be sealed and to see how it goes.
So it is a quarter of a turn from where it should be. I brimmed it with diesel and shook it around and went around some roundabouts enthusiastically and there is no obvious leak, but I will keep an eye on it over the next few days.
How did you gets get on? Did you manage to get the ring all the way home or just "near enough" like I did?
The method the mechanic used was two huge screwdrivers in the two raised plastic holes on the ring, then crossed the screwdrivers and twisted. Then a bit of tapping it around with the hammer method too.
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Posted: Wed Sep 18, 2013 7:55 am |
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Joined: Feb 07, 2010
Posts: 2718
Trade Rating: +6
Location: UK
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If its on there fairly tightly, should be fine. Keep an eye on it though, you'll probably smell diesel if it's leaking. I doubt its worth changing the tank, and I can see why it would have warped. Pictures might help. Other than that hope it's sorted your problems!
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Posted: Wed Sep 18, 2013 8:13 am |
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Joined: Jul 10, 2013
Posts: 131
Trade Rating: 0
Location: Daventry
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Did your lines mark up ? (arrow on the ring match the arrow on the pump) ? im only 45 degrees away now so should be alright. Car will smell like diesel for a long time to come due to the amount that got splashed around unfortunately
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Posted: Wed Sep 18, 2013 9:31 am |
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Joined: May 16, 2011
Posts: 495
Trade Rating: +1
Location: huddersfield
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Mine went right upto the marker, but was a bit of a fight to get it there.
You should be ok if the system has pressurised, and your engine is firing up ok.
I damaged my fuel filter once trying to unscrew the plastic cap it has, total swine to unscrew, so now i completely remove the whole filter housing, when changing the filter, a lot lot easier.
Think designers love making everything plastic, cheaper for them, and loads of money on overpriced plastic, parts.
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| 206 2ltr Hdi glx 53 plate | |
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Posted: Wed Sep 18, 2013 2:15 pm |
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Joined: Jul 10, 2013
Posts: 131
Trade Rating: 0
Location: Daventry
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Well I had another go, with a bigger hammer and bigger screwdriver. It is now as close to the marker as it is ever going to go so I am leaving it at that as I don't want to damage it!
TBH I never had trouble with the fuel filter housing (mind you mine is the newer multiplexed version of it). The hammer and screwdriver method (very carefully at alternating ends) works very well, you can even see the plastic stretch to the other side and then when you hit the other side moves round a touch. Repeat until can do by hand. Very slow but can be done
Anyway attached is the pic of where I am leaving it for anyone interested!
plus.google.com/photos...7134224039
Red marks supposed to be in-line I guess
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