 | Home > Puma (Tdci) > Volume Control Valve - Ford part no? |
 
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| helmutk Member Since: 12 Dec 2011 Location: Graz Posts: 15   
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@B4Lamb: Great writeup! Just opened the faulty valve: piston dulled at approx. 1/3rd circumference where it is located in the coil. No Pics due to crappy Iphone camera.
I will add the VCV to my increasing pool of faulty-but-still-barely-working spares in case I need it urgently on a longer trip... Paranoia, anyone?  |
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16th Feb 2017 7:43am |
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| B4Lamb Member Since: 21 Mar 2015 Location: Abergavenny, Wales Posts: 233  
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@Helmutk, same fault then, identical I would say. It has to be just wear and tear? I do susect though in my case my fuel filter had not been replaced for a long time and there was black slime in it which looked like the diesel bug so perhaps that accelerated the wear. Who knows? Anyway it's good to confirm that these VCVs seem to play up even with the slightest surface damage on the piston. They ought to be part of the service schedule: Replace VCV at 60,000 mile intervals.
Glad you found the write up on Erratic Idle bla bla of some interest. I always like to finish up with some results and conclusions. There are so many frustrating threads on here that go off on tangents and never seem to square the circle. Cheers, John (b4lamb) "You are never to old to learn something new" |
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16th Feb 2017 9:05am |
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| agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324 
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At the risk of taking this topic off topic  I'll say I agree fully - I'm thinking maybe a puma era Defender wiki might come in handy? Solved the bowel problem, working on the consonants... |
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16th Feb 2017 9:08am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17344  
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Diesel bug or water in the fuel is well-known for causing VCV problems. Dealers apparently customarily replace the VCV if water or DB is found in the fuel even if it is still working, since it will fail prematurely afterwards.
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16th Feb 2017 9:13am |
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| B4Lamb Member Since: 21 Mar 2015 Location: Abergavenny, Wales Posts: 233
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I have to say Blackwolf that you have been the consistent authority on this subject from the word go. I have merely gone through the motions to arrive at what you have been saying all along but it has been worth the effort for me. I think the only aspect that you seemed to change your mind on, if I'm correct, is the need, or not, to gain the assistance of a child mutant to help get the bloody thing out and back in.
What I don't understand yet is how water gets through the filter that is supposedly designed to separate the fuel from any water that is present when drawn up from the tank and also as the bug, if present, thrives in any water at the bottom of the fuel tank, how this gets in and through the filter as well. I've heard the slime blocks filters but not necessarily passes through! I'm hoping more members examine their faulty VCV pistons and report back on their findings in the other related thread. Cheers, John "You are never to old to learn something new" |
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17th Feb 2017 12:38am |
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| Joe the Plumber Member Since: 18 Dec 2013 Location: Midlands Posts: 907 
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These devices are available for narrow boats to combat the diesel bug problem:
http://www.fuel-guard.co.uk/ I don't know if they would be suitable for use on road vehicles though. |
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17th Feb 2017 7:16am |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2411  
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I concur. A pig to remove the VCV
 . Now runs so much better! Puma 110" SW
............................................................. Earth first. Other planets later |
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17th Feb 2017 4:58pm |
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| TopQ1967 Member Since: 14 Feb 2012 Location: Veghel Posts: 236  
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UPDATED!
Did I takeout the wrong valve? NO! 2.4 AND 2.2 LATE MODELS DIFFER COMPLETELY! Finally got the valve out of the pump on my 2.2 TdCi.. At least I thought.... It is completely different from what I ordered. And different from the pictures I see on the Internet!  Click image to enlarge Left the comon known valve. Right mine... Found a picture of the pump on the internet. Click image to enlarge Click image to enlarge You can see my valve at this pump! The hex key needed was 4 MM (differs from previous models too). think Ford part number is: FUEL PUMP INLET METERING VALVE 1793473 BK2Q-9358-AA Reference OE/OEM Number: BK2Q-9358-AA, BK2Q9358AA, 1 793 473, 1793473, BK3Q-9B395-CA, 5WS40697, 1717702, BK2Q-9B395-BA, 5WS40696, 1805487, 1945275, FB3Q-9358-AA, FB3Q9358AA Can't find Landrover part No. Please advice. |
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21st Feb 2017 4:15pm |
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| B4Lamb Member Since: 21 Mar 2015 Location: Abergavenny, Wales Posts: 233
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You are right TopQ1967. It's a VCV but a different design. Perhaps this one is more reliable or lasts longer than the type fitted to the 2.4 TDCI? Are you getting the same erratic rev problem as well? I can't believe a newer design would be plagued with the same issues. I'm sure there must be a LR part number but why not just use the Ford equivalent?
John. "You are never to old to learn something new" |
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21st Feb 2017 11:26pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17344
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Don't forget that the 2.2 and 2.4 have substantially different fuel systems and completely different HP and LP pumps. I wouldn't expect the VCVs to be the same.
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22nd Feb 2017 12:26am |
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| agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324
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I've noticed much more info on the 2.4 online and in the parts databases compared to the 2.2.
How do 2.2 owners get by?? Solved the bowel problem, working on the consonants... |
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22nd Feb 2017 2:12am |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720 
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The 2.2 is a substantially different engine really, it's the same basic design, but Ford did a major rework on pretty much everything. |
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22nd Feb 2017 5:28am |
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| helmutk Member Since: 12 Dec 2011 Location: Graz Posts: 15
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Seems to be a common phenomenon with the Defender-clientele: With a contemporary vehicle/engine you are an early adopter, not to say betatester. And, of course, the previous model was much more reliable, practical, good-looking, you name it. I noticed this with the TDI > TD5 > 2.4, and now (as it gets a "respectable" age) 2.4 > 2.2.
2.25 NA, anyone?
To the topic: In "normal" vehicles it's common practice to change details, even in the middle of the run. All in the name of technical progress (i.e. correcting design flaws or cheaper supplier). I guess with a 5 year max. 2.2 you are stuck with the dealer or have to do much try and error... |
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22nd Feb 2017 7:22am |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720
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Renault used to be terrible for that. I think it was one of the Clio's, when you went to a factors and asked for brake pads they'd look it up on the computer and then go to the shelf and pick 6 different boxes, dump them on the counter and say "It's one of those bring back the ones you don't need". |
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22nd Feb 2017 4:54pm |
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