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alexatnd

Member Since: 19 May 2015
Location: Yorkshire
Posts: 270

td5 head bolt sequence - really 5 step?

Hi,
Just tightening hread bolts after replacing hed gasket on my 10p TD5. So tightening sequence is

1) 30Nm
2). 65Nm
3). Tighten to 90deg
4). Tighten to 180 deg
5). Tighten to 45 deg

ok so ive done steps 1-4 and am at step 5

whimpering a bit do haveto make an effort turning the head bolts.

not bothered about the effort, more concerned about snappinhg the head bolts. Do I rteally have to do the last 45 deg?

What do other people do ?

Case of just get on with it or is 1-4 enough

Rgds
Alex Santa - 1977 Series 3 - new chassis, tub, disc brakes,SU Carb
Gertie - 1999 110 TD5 - like a Phoenix from the ashes back on road... almost
Effie - 2004 110 TD5 County

19th May 2023 7:24pm

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

Yes you must do all the steps. The head bolts are stretch bolts and need the incremental torquing down.

19th May 2023 8:00pm

A.Rubio

Member Since: 04 Mar 2017
Location: Rocafort -Valencia
Posts: 30

It is assumed that you have blown out the holes where the cylinder head bolts screw in, because if there is any oil left in them, this oil can cause the cylinder head to not fit well

20th May 2023 12:17pm

alexatnd

Member Since: 19 May 2015
Location: Yorkshire
Posts: 270

damn no i didnt, dodnt have any way of doing that Santa - 1977 Series 3 - new chassis, tub, disc brakes,SU Carb
Gertie - 1999 110 TD5 - like a Phoenix from the ashes back on road... almost
Effie - 2004 110 TD5 County

20th May 2023 4:48pm

htb2

Member Since: 02 Nov 2018
Location: Carmarthenshire
Posts: 529

In that case a piece of wire with rag on bottom to soak up the oil, will have to suffice.

20th May 2023 5:05pm

NickMc

Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1624

Take one of your old head bolts and cut some grooves lengthwise in it with and angle grinder and use it to clean the threads out. Lightly Oil your new bolts and under the heads of the new bolts and follow the full sequence as they’re Torque-to-Yield (TTY) bolts hence the degrees sequence on the td5.

21st May 2023 12:41am

4RF RDS

Member Since: 19 Jul 2015
Location: Ottawa
Posts: 933

2000 Defender 110 Td5 XS CSW Epsom Green

Or an air line and blow it out. Or… brake cleaner and spray it in there then forceps with a bit of rag to dab up the remains.

Good luck

2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)

21st May 2023 2:02am

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