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Simon_W
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Location: Watford
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 Posted: Tue Sep 01, 2015 18:33 Post subject: |
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| vijay wrote: |
| what fuel filter did you fit, not a Milners one by any chance? |
....and did you remove the 'extra' seal, which can be a source of air ingress. The water trap at the base, if not sealing properly, can also allow air in.
It's definitely worth eliminating air in the fuel supply being the cause of the poor running before going to the trouble of removing the pump and replacing the front seal. |
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| Posted: Tue Sep 01, 2015 18:33 Post subject: Google Ads keep the POCUK free to join! |
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sam_marshall1
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Age: 40
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Joined: 25 Aug 2014
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Location: Newcastle, Staffs
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| Posted: Wed Sep 02, 2015 11:17 Post subject: |
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| Simon_W wrote: |
| vijay wrote: |
| what fuel filter did you fit, not a Milners one by any chance? |
....and did you remove the 'extra' seal, which can be a source of air ingress. The water trap at the base, if not sealing properly, can also allow air in.
It's definitely worth eliminating air in the fuel supply being the cause of the poor running before going to the trouble of removing the pump and replacing the front seal. |
No it was a Boshi fuel filter I used (part of a set), I will check if the rubber seal is removed (I dont remember specifically removing one at the time we fitted it). However if this is the case it is strange that I am only getting the issue now approx 12mths since I fitted the filter. Yes I totally agree with you - given the size of the job I want to eliminate all other avenues before removing the fuel pump. I will try and check this as well as the air bubbles in the fuel this weekend. |
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vijay
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| Posted: Wed Sep 02, 2015 11:24 Post subject: |
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| Milners supply Boshi and Simon is quite right in having to remove the metal/rubber inner seal |
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peteinchad
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Joined: 07 Jan 2013
Posts: 15079
Location: UK
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| Posted: Wed Sep 02, 2015 11:26 Post subject: |
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I always use Boshi fuel filters from Milners - they do have an extra rubber ring near the centre hole but they don't have the metal cage around it and they have always sealed fine on my truck with the seal left on.
You maybe have to tighten them up a bit more than you normally would. |
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vijay
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| Posted: Wed Sep 02, 2015 11:32 Post subject: |
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| peteinchad wrote: |
I always use Boshi fuel filters from Milners - they do have an extra rubber ring near the centre hole but they don't have the metal cage around it and they have always sealed fine on my truck with the seal left on.
You maybe have to tighten them up a bit more than you normally would. |
Strange, mine always used to have to metal cage around the seal |
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Simon_W
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| Posted: Wed Sep 02, 2015 12:11 Post subject: |
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| vijay wrote: |
| Strange, mine always used to have to metal cage around the seal |
I think the Boshi filters always have the extra cage + O-ring fitted. As per the right hand item in the well-used photo below.  The filter on the left is a Mitsubishi branded item. If the cage is removed from the Boshi filter, the thread is exposed and the fitting looks exactly like the Mitsi one.
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Simon_W
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Location: Watford
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| Posted: Wed Sep 02, 2015 12:15 Post subject: |
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| peteinchad wrote: |
| You maybe have to tighten them up a bit more than you normally would. |
I think I recall you saying that you used a wrench to tighten the filter, and also that you removed the filter base from the bulkhead when doing the change. You're probably applying enough force to crush the cage.
I've always hand-tightened filters and haven't found the need to remove the housing. I've never had a problem with air ingress to the filter. Apart from the first time I changed it, when I hadn't realised that the cage needed to be removed.  |
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peteinchad
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Location: UK
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| Posted: Wed Sep 02, 2015 12:55 Post subject: |
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| Simon_W wrote: |
| vijay wrote: |
| Strange, mine always used to have to metal cage around the seal |
I think the Boshi filters always have the extra cage + O-ring fitted. |
I have just looked at my spare one and I stand corrected - it has a cage .... I've never removed it though. |
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sam_marshall1
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sam_marshall1
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Location: Newcastle, Staffs
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| Posted: Wed Sep 02, 2015 16:00 Post subject: |
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| A friend of mine had a paj and he used to get a mate of his to do the work on it - hes said he'd fit my fuel pump seal for £60 if it needs doing! |
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vijay
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| Posted: Wed Sep 02, 2015 16:13 Post subject: |
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| That's incredibly cheap, unless you're an expert like Mark, it's at least 1/2 days work. Has he done the job before?? |
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Mark3
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Location: Rainham Village, Essex.
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| Posted: Wed Sep 02, 2015 16:25 Post subject: |
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Sam the only seal you need is available from TT automotive in Leicestershire at less than £2 delivered next day 
Book time for a pump seal change is around 3.5 hours, many people take a day or two to do it so at £60 whoever is doing it don't value there time very highly OR has this job mixed up with another  |
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sam_marshall1
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Location: Newcastle, Staffs
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| Posted: Sat Sep 05, 2015 15:20 Post subject: |
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Ok so I'm fitting the fuel filter now, I think mine is one with the cage on and also comes with another small oring that was separate in the box. Do I need to remove the cage or any of the orings already on the filter? |
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vijay
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| Posted: Sat Sep 05, 2015 15:39 Post subject: |
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| I'd say yes to removing the cage. The O ring is probably for the water trap on the bottom |
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sam_marshall1
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Age: 40
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Location: Newcastle, Staffs
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| Posted: Tue Sep 08, 2015 13:42 Post subject: |
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| vijay wrote: |
| I'd say yes to removing the cage. The O ring is probably for the water trap on the bottom |
Hi, I did that and you were right - the O-ring was for the water trap - so the fuel filter is now fitted without the cage and my problem with starting from cold is still happening  . I dont know if it was happening before and I didnt notice it but when I get into the cab in the morning I swear I can smell diesel? |
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