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+--- Thread: Broken the idle bolt on the side of bosch pump (/showthread.php?tid=2918)
Broken the idle bolt on the side of bosch pump - Chris.M - 20-04-2012
Hi guys, iv just being trying to turn my fueling down on my bosch pump, and so slackened the idle screw in order to turn that down before decreasing the fuel. So slackened the nut then the screw and then did the nut back up. with very little effort on the ratchet, the bolt sheared! :oops: just below the screw thread. Thinking i might be able to solder the remaining half of the screw on to the pin in the pump, in order to withdraw it and then put a new one in. is this going to be possible? or is the pump scrap. its only been in the car less than a week! any ideas would be great.
Cheers.
I will post some pics up if someone could tell me how to upload them!! all I seem to be able to do is put ones in from websites.
Re: Broken the idle bolt on the side of bosch pump - Dan! - 20-04-2012
Im a little confused as to which bit you have broken, so a photo would be great!
I doubt the pump is scrap though, whatever it is shouldnt be too hard to fix.
Re: Broken the idle bolt on the side of bosch pump - Chris.M - 20-04-2012
Ok used photobucket, should work.
![[Image: DSCF0422.jpg]](http://i1240.photobucket.com/albums/gg499/chris_m94/DSCF0422.jpg)
![[Image: DSCF0425.jpg]](http://i1240.photobucket.com/albums/gg499/chris_m94/DSCF0425.jpg)
![[Image: DSCF0419.jpg]](http://i1240.photobucket.com/albums/gg499/chris_m94/DSCF0419.jpg)
Re: Broken the idle bolt on the side of bosch pump - Dan! - 20-04-2012
So its the max fuel screw which has sheared then?
Pretty bad luck if so, although if you remove the top of the pump you will be able to wind it out easilly enough!
Re: Broken the idle bolt on the side of bosch pump - Tom - 20-04-2012
Thats bad luck right there :/ Hope you get it sorted bud
Re: Broken the idle bolt on the side of bosch pump - Chris.M - 20-04-2012
Thanks, that looks viable.
Looks like it is just 3 allen bolts holding the top on, is that all?
Should be possible to do in-situ.
Re: Broken the idle bolt on the side of bosch pump - strictly_perv - 20-04-2012
There's 4 and the throttle arm ect.
Might aswell gov mod it while it's out.
Re: Broken the idle bolt on the side of bosch pump - mark_airey - 20-04-2012
How the hell have you done that Chris?! Is this like your "nipping up" the engine mount to the point where its never coming off again??
To remove the lid you need to remove the throttle arm, the spring that goes with it, the link plate from the LDA cap and then the 4 torx screws on the actual lid, you then need release the idle spring from inside the pump..............
I can sort it for you if you want............mainly because I'm nice :roll: is it leaking or is the screw still sealed??
Re: Broken the idle bolt on the side of bosch pump - Chris.M - 20-04-2012
Hi Mark, many thanks, it is leaking when running. I have the top loose, and now need to release the idle spring. GULP! any ideas? As the resident 306 mechanic is not here atm, this is a steep learning curve. Thanks.
Re: Broken the idle bolt on the side of bosch pump - mark_airey - 20-04-2012
*shakes head* as long as you have removed everything properly you need to push the throttle shaft back through the top of the pump and then unhook the little spring on the back, failing that I could come and bail you out, getting a replacement fuel screw quick could be an issue though! Even if someone has one they could post up its never arriving before Monday
Re: Broken the idle bolt on the side of bosch pump - Chris.M - 20-04-2012
OK - I'll have a look and will let you know how I get on.
Re: Broken the idle bolt on the side of bosch pump - Chris.M - 20-04-2012
Well got the top off and sheared part of the bolt out. Might be able to braze it back together. What is the shoulder in the middle for? I think im ok at the moment mark though thanks for the offer and I might yet take you up on it!! Btw thanks Dan! and stricktly_derv for the advice.
Re: Broken the idle bolt on the side of bosch pump - Dan! - 20-04-2012
No worries man. Well done for getting it all apart and semi-fixed so quick
Re: Broken the idle bolt on the side of bosch pump - strictly_perv - 20-04-2012
The shoulder bit's for the seal to stop it leaking. Should be a round rubber ring in there.
Re: Broken the idle bolt on the side of bosch pump - Chris.M - 20-04-2012
Ah ok
got the o-ring. hmmmm the only way to braze back together means filling the shoulder. that might not be possible then. Do bosch still make them? or is my best bet to find one in the scrappers?
Re: Broken the idle bolt on the side of bosch pump - strictly_perv - 20-04-2012
Best get on from the scrappers. Slip it in your pocket
Re: Broken the idle bolt on the side of bosch pump - Chris.M - 20-04-2012
Right brazed back together, rubber seal should fit
which way does the screw need to be turned to reduce fuelling? and btw im assuming by your earlier comment Mark that you dont think i'll get one from greggies?
Re: Broken the idle bolt on the side of bosch pump - mark_airey - 20-04-2012
strictly_derv Wrote:There's 4 and the throttle arm ect.
Might aswell gov mod it while it's out.
It's gov modded, I did that before it went on the car, lol
Re: Broken the idle bolt on the side of bosch pump - mark_airey - 20-04-2012
Sorry for double post, on phone, cba to copy and paste, lol
Chris.M Wrote:Right brazed back together, rubber seal should fit
Nah you won't find one in greggies, pm me your number and I will ring you and explain over phone
good effort on the repair job
Re: Broken the idle bolt on the side of bosch pump - Chris.M - 20-04-2012
yea ok, struggling with the site a bit, i think i have pm'd you. have i?
Re: Broken the idle bolt on the side of bosch pump - Mattcheese31 - 20-04-2012
anti clockwise to reduce fueling.......if the screw fcuks up again i have a spare u can have
Re: Broken the idle bolt on the side of bosch pump - Chris.M - 20-04-2012
Well all the pump is back together, and the brazed screw looks ok, I HOPE! going to leave it for tonight and bleed through, inter-cooler back on e.t.c in the morrow! thanks for all the help, and mattchese31 I might be in touch for that screw, but I hope not!
Cheers
Re: Broken the idle bolt on the side of bosch pump - Jonny81191 - 22-04-2012
Chris, you fail.
At least it's running again though
Re: Broken the idle bolt on the side of bosch pump - mark_airey - 23-04-2012
Jonny81191 Wrote:Chris, you fail.
At least it's running again though
You can't comment given what you did to the Lucas that was on his car........
Re: Broken the idle bolt on the side of bosch pump - Jonny81191 - 23-04-2012
meh.
Re: Broken the idle bolt on the side of bosch pump - Chris.M - 25-04-2012
You broke it in the first place! and mark, there was a max fuel screw in greggies
on an old rover with a bosch pump.
Re: Broken the idle bolt on the side of bosch pump - mark_airey - 25-04-2012
Chris.M Wrote:You broke it in the first place! and mark, there was a max fuel screw in greggies
brotherly love eh!Good find