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jeffersj



Member Since: 23 Jan 2015
Location: Near Preston
Posts: 431
United Kingdom 1996 Defender 90 300 Tdi HT Bronze Green
Blue smoke on start up after Cam belt change
Recently had service and MOT and at the same time I had the Cam belt renewed. Since then motor has stood fo a week or so at a time without moving, but on first start up after the change I had clouds of blue smoke which cleared after a short run.

I thought it was just the possibility of excess oil being about after the work that was done and the non moving but each time on start up I am having the same problem (although the motor is standing for a week or so without moving). I did not have any smoke up on start before the cam belt change so could the timing be out or something else stemming from that or is it just coincidence?

Engine is 300Tdi Jeff
Ex 1968 Series 2A
Ex 90 TD5
Ex D3
Ex D4
Post #893605 24th Mar 2021 9:08am
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I Like Old Skool



Member Since: 23 Feb 2015
Location: Manchester
Posts: 814
United Kingdom 1994 Defender 110 300 Tdi ST Coniston Green
Who did the timing belt? how does the performance feel afterwards compared to before?

IME tiny movements in the belt timing (we're talking a couple of mm at the flywheel slot) makes a big difference to the performance and if they didn't get it quite right, or couldn't be bothered, then they might have tweaked the fuel idle screw to mask any sluggishness off the mark.
Post #893610 24th Mar 2021 9:27am
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I Like Old Skool



Member Since: 23 Feb 2015
Location: Manchester
Posts: 814
United Kingdom 1994 Defender 110 300 Tdi ST Coniston Green
Sorry got my terminology wrong. Not the fuel idle screw, it's known as the 'smoke screw'.

https://forums.lr4x4.com/topic/31-how-to-i...200300tdi/
Post #893622 24th Mar 2021 10:49am
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jeffersj



Member Since: 23 Jan 2015
Location: Near Preston
Posts: 431
United Kingdom 1996 Defender 90 300 Tdi HT Bronze Green
At first I thought it was a bit sluggish but not so marked, a trusted indie did the work but that was my first thought that it was something to do with the timing. Jeff
Ex 1968 Series 2A
Ex 90 TD5
Ex D3
Ex D4
Post #893629 24th Mar 2021 12:15pm
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I Like Old Skool



Member Since: 23 Feb 2015
Location: Manchester
Posts: 814
United Kingdom 1994 Defender 110 300 Tdi ST Coniston Green
More sluggish than normal when cold?

I'd take it back and ask them to recheck the timing in view of the new smoking and change in performance. It isn't a big job to check it, they don't have to remove the timing belt cover to do it.
Post #893632 24th Mar 2021 12:31pm
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jeffersj



Member Since: 23 Jan 2015
Location: Near Preston
Posts: 431
United Kingdom 1996 Defender 90 300 Tdi HT Bronze Green
Thanks for the confirmation, have booked it back in for a check. Thumbs Up Jeff
Ex 1968 Series 2A
Ex 90 TD5
Ex D3
Ex D4
Post #893649 24th Mar 2021 3:46pm
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familymad



Member Since: 13 Dec 2011
Location: Bucks
Posts: 3481
 2016 Defender 130 Puma 2.2 HCPU Santorini Black
Defo timing 1951 80" S1 2.0
1995 110 300TDI
1995 90 300TDI
Post #893687 24th Mar 2021 7:08pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8061
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Does it take more turns than normal to start? Sounds like FiP timing is out. Can be adjusted through font end cover. Or belt out a tooth. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #893697 24th Mar 2021 8:10pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8061
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
I Like Old Skool wrote:
Who did the timing belt? how does the performance feel afterwards compared to before?

IME tiny movements in the belt timing (we're talking a couple of mm at the flywheel slot) makes a big difference to the performance and if they didn't get it quite right, or couldn't be bothered, then they might have tweaked the fuel idle screw to mask any sluggishness off the mark.


I have not heard of this one before, very underhand. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #893699 24th Mar 2021 8:11pm
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jeffersj



Member Since: 23 Jan 2015
Location: Near Preston
Posts: 431
United Kingdom 1996 Defender 90 300 Tdi HT Bronze Green
jst wrote:
Does it take more turns than normal to start? Sounds like FiP timing is out. Can be adjusted through font end cover. Or belt out a tooth.


No it starts immediately, battery kept tip top with a Ctek charger. Jeff
Ex 1968 Series 2A
Ex 90 TD5
Ex D3
Ex D4
Post #893780 25th Mar 2021 9:17am
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8061
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
from description sounds like unburnt fuel and hence timing is out, assuming it never did it before.

starting 1st turn is good for any LR (!) timing can still be out though. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #893795 25th Mar 2021 9:57am
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Procta



Member Since: 03 Dec 2016
Location: Sunderland
Posts: 5192
United Kingdom 
yeah that sounds like its timing to me, I would take it back to who ever did the belt, and say you want this rechecking. just in case something has moved. Thumbs Up
I had garages cock up timings on me before, cost be a fortune, my dad ended up taking it to a tuning place to have it checked over. After the second garage cocked it up. Rolling Eyes Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Success is 90% Inspiration and 4 minutes Preparation # you can make it!
Post #895247 1st Apr 2021 1:16am
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jeffersj



Member Since: 23 Jan 2015
Location: Near Preston
Posts: 431
United Kingdom 1996 Defender 90 300 Tdi HT Bronze Green
Thanks all, booked in for the 8th. Jeff
Ex 1968 Series 2A
Ex 90 TD5
Ex D3
Ex D4
Post #895288 1st Apr 2021 8:32am
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Procta



Member Since: 03 Dec 2016
Location: Sunderland
Posts: 5192
United Kingdom 
how did you get on? Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Success is 90% Inspiration and 4 minutes Preparation # you can make it!
Post #901823 7th May 2021 1:29am
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Leamreject



Member Since: 19 Dec 2020
Location: Middle Earth - Leamington Spa
Posts: 970
Italy 2011 Defender 90 Puma 2.4 HT Fuji White
I agree with most of the posts here it does sound like something isn’t timed up from the recent work, but it’s the blue smoke that’s confusing because unburnt fuel passing through would produce white smoke whereas over fuelling would be black smoke

Blue smoke would be from burning oil which doesn’t indicate an out of timing issue. Ride like you stole it!!
If I’m not on a bike it’s because only a 4x4 will do…
2011 2.4 Puma 90 HT
Post #901824 7th May 2021 4:52am
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