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by Billy26F5
Wed May 22, 2024 11:12 pm
Forum: Loaders/Backhoes
Topic: JCB 3c II fuel in the oil - fuel pumps?
Replies: 15
Views: 639
Flag: Great Britain

Re: JCB 3c II fuel in the oil - fuel pumps?

See what you think of the accelerations, it sounds pretty clear one cylinder is not the same, also the exhaust cap is moving as if a cylinder is not firing properly. The ATF trick might sort things but not if they're serious (make sure you don't overdo it as ATF is not designed for use as fuel). Rea...
by Billy26F5
Wed May 22, 2024 12:04 pm
Forum: Loaders/Backhoes
Topic: JCB 3c II fuel in the oil - fuel pumps?
Replies: 15
Views: 639
Flag: Great Britain

Re: JCB 3c II fuel in the oil - fuel pumps?

I'm actually referring to a dribling injector or similar, the fuel can't burn properly due to the atomisation being poor and it passes down into the oil as it can seep through the rings easily. Although it's unlikely there is a chance a push rod might have bent which could also cause a sound like th...
by Billy26F5
Tue May 21, 2024 9:30 am
Forum: Loaders/Backhoes
Topic: JCB 3c II fuel in the oil - fuel pumps?
Replies: 15
Views: 639
Flag: Great Britain

Re: JCB 3c II fuel in the oil - fuel pumps?

I think one cylinder isn't firing very well, check all the injector lines are tight, it would be nice to see how it sounds under a bit of load. Looks like you have a DPA injector pump there. Also see if loosening one injector line at a time you notice differences in running or not, you'll need to ru...
by Billy26F5
Mon May 20, 2024 10:53 pm
Forum: Heavy Haulage
Topic: Classic pictures Updated 18/05/2024
Replies: 4299
Views: 3203388
Flag: Great Britain

Re: Classic pictures Updated 18/05/2024

Nice Whitlock, also good to see the early 3CX.
Sandy
by Billy26F5
Mon May 20, 2024 10:52 pm
Forum: Loaders/Backhoes
Topic: JCB 3c II fuel in the oil - fuel pumps?
Replies: 15
Views: 639
Flag: Great Britain

Re: JCB 3c II fuel in the oil - fuel pumps?

Like the idea of a video (Mr MacGregor has no silencer so sounds different from most but odd running will be noticed anyway). It does sound a bit like the injector pump seal has gone but test the lift pump first to be sure (repro part quality is often poor), as changing the seal on a DPA pump is a b...
by Billy26F5
Mon May 13, 2024 3:14 pm
Forum: Wheel Loaders
Topic: Weatherill
Replies: 378
Views: 228881
Flag: Great Britain

Re: Weatherill

That's a nice one, quite big too. You can't miss a Major here!
Sandy
by Billy26F5
Wed May 08, 2024 10:25 pm
Forum: Loaders/Backhoes
Topic: JCB 3c II fuel in the oil - fuel pumps?
Replies: 15
Views: 639
Flag: Great Britain

Re: JCB 3c II fuel in the oil - fuel pumps?

Not a 3CX expert but it sounds like torque converter issues. Someone else might be better able to help you with that. As for the noise check the engine mounts otherwise as before can't help much more. You'll probably find better attention if you post this in a new thread where the 3CX experts can se...
by Billy26F5
Tue May 07, 2024 11:01 pm
Forum: Loaders/Backhoes
Topic: JCB 3c II fuel in the oil - fuel pumps?
Replies: 15
Views: 639
Flag: Great Britain

Re: JCB 3c II fuel in the oil - fuel pumps?

That's about half the oil. Good point about cleaning, always worth it.
Sandy
by Billy26F5
Tue May 07, 2024 2:08 am
Forum: Loaders/Backhoes
Topic: JCB 3c II fuel in the oil - fuel pumps?
Replies: 15
Views: 639
Flag: Great Britain

Re: JCB 3c II fuel in the oil - fuel pumps?

Not a bad idea to clean the strainers (or strainer if your JCB is before 110759) and replace the filter but be ready for 43 gallons of oil as that's what is meant to be in there. The first thing to check for the clutch is the free play, as many have it incorrect. If that doesn't fix it you'll need t...
by Billy26F5
Mon May 06, 2024 10:17 am
Forum: Heavy Haulage
Topic: Classic pictures Updated 18/05/2024
Replies: 4299
Views: 3203388
Flag: Great Britain

Re: Classic pictures Updated 06/05/2024

Great to see an early JCB 2 (I think) with a series II Land-Rover, also like the Thames Trader being properly full.
Sandy

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