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L110CDL



Member Since: 31 Oct 2015
Location: Devon
Posts: 10464
England 
^^^ Rolling Eyes Laughing 1996 Golf Blue 300Tdi 110 Pick up. Keeper.


Clayton.
Post #723689 15th Aug 2018 10:51pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784
United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
FINALLY the locking tools have arrived. So this evening I popped the head off. I foolishly assumed that being a 15p my engine would have metal dowels. Turns out that they were plastic. (Early 15p) Rolling Eyes

So a bit of head float and pistons in cyl 2, 3 and 4 have interfaced with the valves. Nothing major but there is a tiny mark in those 3 pistons Shocked

Anyway the bores look great (can still see the honing marks) and have no lip.

Looking at the gasket there are no obvious signs of gasket failure but there might not be if there has been head float.

Tomorrow I'm going to be enquiring about having the head pressure tested and hopefully start getting things back together by the and of the week Thumbs Up 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton
Post #724470 20th Aug 2018 8:58pm
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1411
United Kingdom 2005 Defender 90 Td5 HT Tonga Green
Fingers crossed George Thumbs Up worth splitting for peace of mind that all the tweaks haven't been detrimental. Trigger will be happy Mr. Green
Post #724477 20th Aug 2018 9:22pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784
United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Yeah absolutely, everything is looking very good, 130k miles on plastic dowels at near double factory output isn't too shabby. Shows that I drive it like Miss Daisy Rolling with laughter 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton
Post #724497 20th Aug 2018 10:09pm
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Procta



Member Since: 04 Dec 2016
Location: Sunderland
Posts: 4932
United Kingdom 
good stuff grafty Thumbs Up Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Success is 90% Inspiration and 4 minutes Preparation # you can make it!
Post #724507 20th Aug 2018 11:43pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784
United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Well, things are not as dandy as they first appeared Crying or Very sad

Today, I decided to clean up the head in preparation for having it pressure tested. In removing the carbon and stuck gasket material the true extent of the problem showed itself. The head float has been so extreme and (it would appear) has been going on for quite some time as the head is actually burred around cyl 3, 4 and 5 Shocked

To make matters worse, my local landrover dealer has sent out the wrong parts Big Cry

So I'm going to be replacing with an AMC head. Hopefully I can get it all done before my trip to the Nürburg Ring in September Shocked



Click image to enlarge 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton
Post #724937 22nd Aug 2018 9:59pm
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L110CDL



Member Since: 31 Oct 2015
Location: Devon
Posts: 10464
England 
At least you have finally found the problem and hopefully you can get it all done before you have your trip Wink 1996 Golf Blue 300Tdi 110 Pick up. Keeper.


Clayton.
Post #724941 22nd Aug 2018 10:09pm
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Procta



Member Since: 04 Dec 2016
Location: Sunderland
Posts: 4932
United Kingdom 
At least that's made the decision for you, yeah its a pain when that happens with the wrong parts. I was given the wrong locking tool for the bottom end. So when it came to doing the timing belt, things were not right.
What has caused the head float? Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Success is 90% Inspiration and 4 minutes Preparation # you can make it!
Post #724964 22nd Aug 2018 11:42pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784
United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Plastic head dowels Procta. Very common for them to break, allowing the head to move and cause the above damage. Brilliant idea from landrover Rolling Eyes 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton
Post #724975 23rd Aug 2018 6:56am
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1411
United Kingdom 2005 Defender 90 Td5 HT Tonga Green
grafty99 wrote:
Shows that I drive it like Miss Daisy Rolling with laughter


Are you sure Rolling with laughter Rolling with laughter
Post #724998 23rd Aug 2018 10:19am
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shayes



Member Since: 29 May 2016
Location: Devon
Posts: 153
United Kingdom 1998 Defender 90 300 Tdi HT Coniston Green
George,
hope you get this 'challenge', never a problem!, resolved soon.
Everything crossed for you,#Cheers,
Simon Thumbs Up
Post #724999 23rd Aug 2018 10:23am
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1411
United Kingdom 2005 Defender 90 Td5 HT Tonga Green
Procta wrote:
What has caused the head float?


The early (10p) engines were renown for head gaskets running standard. The 15P (circa 2002)engines should have metal dowels to stop the head moving around, should it lift. Unfortunately, and not surprising the Lanrdover employee used the whats at hand approach when building Georges engine Rolling Eyes coupled with his extras Laughing its proved costly. However with the need for another Head, another modification can be made
Post #725000 23rd Aug 2018 10:28am
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784
United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
New AMC head ordered from Wards Engineering, my valve gear will be going in and I'm having solid metal dowels turned to make sure this never happens again!

They have assured me that it will be with me before the end of next week. Looks like the Nürburg Ring is still on Whistle 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton
Post #725007 23rd Aug 2018 10:58am
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1411
United Kingdom 2005 Defender 90 Td5 HT Tonga Green
Thought about Low comp pistons ??I know you can get uprated head bolts but not cheap Big Cry
Post #725016 23rd Aug 2018 11:40am
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Procta



Member Since: 04 Dec 2016
Location: Sunderland
Posts: 4932
United Kingdom 
grafty99 wrote:
Plastic head dowels Procta. Very common for them to break, allowing the head to move and cause the above damage. Brilliant idea from landrover Rolling Eyes


I am sure the k series engine had a similar problem with the dowels. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Success is 90% Inspiration and 4 minutes Preparation # you can make it!
Post #725023 23rd Aug 2018 1:03pm
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