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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2200   
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My Td5 have developed a worrying ticking noise which has developed over the last couple of weeks. Seems much worse when the engine is cold. Not really that noticable under the bonnet but quite bad from the drivers seat. Seems worse when letting off the revs back to idle. Not really audible when driving just tickover and when revs drop back to idle.
I have whipped the valve cover off just to check and nothing looks to be concerning under there, rocker shaft bolts all tight and nothing obviously loose on the injectors or valves. The harminic damper doesnt look perished at all and there is no chirp when switching off. Oil level is correct and the same 5w30 synthetic oil i have always used in it. The other issue since i got it back on the road is that it is very smokey at idle and a bit of a cloud when revd. Doesnt seem bad when driving and went through MOT without issue. Exhaust tailpipe seems very sooted up for sub 1000 miles and you can see from the photo below, the soot drips on the floor was just the condensation dripping out after 5min idling and a few revs this morning.  Click image to enlarge Hard to film smoke but this video shows under normal idle. Admittedly the engine is cold but ambient is about 11degC this morning. Sure it never used to smoke like this before. ?feature=shared Injector balance is showing as good at the same point as that smoke video was filmed: Click image to enlarge Can anyone suggest anything at all please? Cylinder head was a new AMC one less than 1500miles ago and has been on about 3yrs whilst the car was being rebuilt. Thanks Steve 02' 110 TD5 Double Cab Rebuild Thread 84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale |
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24th Dec 2023 12:42pm |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2200
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Cheers, smoke could possibly be the turbo, there is a bit of shaft play but it still boosts okay (1.3bar).
Dont think its a timing issue as i did the head myself and used timing pins and triple checked the timing afterwards. It could be rings i guess but the bores looked good when i did the head and its only done 140k. When i drove it to the MOT after chassis rebuild there were epic amounts of smoke under acceleration for the first few miles but it soon cleared. Good shout on the compression test. However how do you compression test a TD5 when it only has 4 glow plugs and unit injectors? Cheers Steve 02' 110 TD5 Double Cab Rebuild Thread 84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale |
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24th Dec 2023 4:03pm |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2200
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Should have also said, taking the lid off my provent, there are obviously fumes but not significant and no real pressure if i cover the oil filler with my hand. If i block the breather with my thumb, its probably about 20secs + before the pressure builds up and my thumb is pushed off. 02' 110 TD5 Double Cab Rebuild Thread
84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale |
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24th Dec 2023 4:15pm |
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| BaronDefenders Member Since: 28 Jun 2019 Location: London/Cotswolds Posts: 810 
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OK, timing should be fine in that case.
The turbo could still be the cause. Another thought is that it could be a leaking injector and the rattle is a bit of a diesel knock. To compression test you either just have to be satisfied with four cylinder readings or, I think, you can do a compression test by removing the injectors and making an adapter. It may be worth replacing the PCV too, as it can cause issues when stuck. Charlie 1949 Series 1 80 (SOLD) 2002 Td5 90 (SOLD) 2008 Freelander 2 (SOLD) 1958 Series 2 88 Pastel Green (2019 LR Legends Best Restored) 1983 V8 110 Limestone (Previously owned by Tom Sheppard MBE) 2004 Td5 90 Santorini Black (Td5INSIDE Powered & Rebuilt by CSK) 2012 Puma 110 Zermatt Silver (Overlanding Build) Instagram: @BaronDefenders |
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24th Dec 2023 4:25pm |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2200
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So to update on this, got the timing pins out and checked/reset the cam timing (made no difference), slackened off the injector rockers and reset them all at 1.5turns from full stroke (made no difference), disconnected intercooler to inlet manifold hose to confirm no oil from turbo (it was clean as a whistle and smoke was unchanged with it disconnected).
So took some more drastic action and removed the oil filters and dropped the oil. Inspection of the oil filter revealed a few small metallic fragments (oil was sub 1000miles old) and I was not happy with the appearance of the oil (looked like some possible metallic particles in it even though hardly anything caught in a gauze when filtered). Found a set of injector washers in my spares so decided I would throw in my old injectors just to rule out any injector issues. Managed to get it fired up again but now running on 4cyl at idle and smoking more so suspect one injector is blocked/seized. Still exactly the same ticking noise present though so have resided my self to the fact it is likely a bottom end issue - possibly small end. Replacement engine now on the way. I will strip anything useful off this engine (e.g. the sub 2000mile AMC head and things) and keep bits to potentially rebuild this engine at a later date when we have moved house. Cheers, Steve 02' 110 TD5 Double Cab Rebuild Thread 84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale |
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3rd Jan 2024 10:54am |
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| BaronDefenders Member Since: 28 Jun 2019 Location: London/Cotswolds Posts: 810
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What a shame! Is the new engine a rebuild or a good, used unit? Charlie
1949 Series 1 80 (SOLD) 2002 Td5 90 (SOLD) 2008 Freelander 2 (SOLD) 1958 Series 2 88 Pastel Green (2019 LR Legends Best Restored) 1983 V8 110 Limestone (Previously owned by Tom Sheppard MBE) 2004 Td5 90 Santorini Black (Td5INSIDE Powered & Rebuilt by CSK) 2012 Puma 110 Zermatt Silver (Overlanding Build) Instagram: @BaronDefenders |
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3rd Jan 2024 11:24am |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2200
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As we are <2months away from a house move to the other side of the country time/space/money is currently very tight so sadly a rebuild of this engine or rebuilt unit is currently off the cards so a (hopefully) good used unit is the only way.
I have managed to source a complete 15P engine with 20k less miles on it than my current one which I am hoping I can just service, swap my new PAS and water pump onto and use for now. Potentially I would look to either buy a refurbished short block or refurbish one myself and build up a fresh engine to use in a year or so. Will carry out a bit of an autopsy on this one though. Cheers, Steve 02' 110 TD5 Double Cab Rebuild Thread 84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale |
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3rd Jan 2024 12:40pm |
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| BaronDefenders Member Since: 28 Jun 2019 Location: London/Cotswolds Posts: 810
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From what I’ve heard, sourcing a good, used example is a far safer bet than a rebuild. Apparently, the vast majority of rebuilt Td5s don’t last anywhere near as long. Charlie
1949 Series 1 80 (SOLD) 2002 Td5 90 (SOLD) 2008 Freelander 2 (SOLD) 1958 Series 2 88 Pastel Green (2019 LR Legends Best Restored) 1983 V8 110 Limestone (Previously owned by Tom Sheppard MBE) 2004 Td5 90 Santorini Black (Td5INSIDE Powered & Rebuilt by CSK) 2012 Puma 110 Zermatt Silver (Overlanding Build) Instagram: @BaronDefenders |
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3rd Jan 2024 1:03pm |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2200
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Replacement engine now in and running fine. Managed to get the head off the old engine to have a look. Seems i had a melted piston in cyl5!
Click image to enlarge Click image to enlarge At least means a replacement engine was the right choice. Assuming it was probabaly an injector issue. Cheers Steve 02' 110 TD5 Double Cab Rebuild Thread 84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale |
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21st Jan 2024 12:17pm |
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| BaronDefenders Member Since: 28 Jun 2019 Location: London/Cotswolds Posts: 810
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Glad to hear you’re sorted. Yes, quite probably a faulty injector to only find one melted piston! Charlie
1949 Series 1 80 (SOLD) 2002 Td5 90 (SOLD) 2008 Freelander 2 (SOLD) 1958 Series 2 88 Pastel Green (2019 LR Legends Best Restored) 1983 V8 110 Limestone (Previously owned by Tom Sheppard MBE) 2004 Td5 90 Santorini Black (Td5INSIDE Powered & Rebuilt by CSK) 2012 Puma 110 Zermatt Silver (Overlanding Build) Instagram: @BaronDefenders |
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21st Jan 2024 12:41pm |
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| derbywill Member Since: 25 Mar 2010 Location: Derbyshire Posts: 540  
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Could be an injector issue, with the carbon build up in that area it could have created a ‘hot spot’ and then melted the piston crown.
Cheers Will 2005 90 XS 1954 86'' Series 1 tilt |
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21st Jan 2024 6:22pm |
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| NickMc Member Since: 01 Oct 2014 Location: Norn Iron Posts: 1572  
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Drippy injector washing the bore
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21st Jan 2024 6:47pm |
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