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Timing chain removal and replacement Print
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mazfg
January 30, 2013, 11:33am Report to Moderator


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Going to change mine in the next week....have got the crank pulley off and removed the timing cover. Chain and tensioner need replacing.

Can I just remove cam sprocket to get the chain off? Or do I need to take the crank sprocket off too?
Any help appreciated.


Current: Triumph Vitesse 6 convertible with O/D 1964

21 Years ago...and my first car! : Triumph Herald 1200 Saloon/ Tristan conversion 1966
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bxbodger
January 30, 2013, 1:06pm Report to Moderator

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If the chain is sloppy and worn you might just do it to get the chain off but you'll still need to take the crank sprocket off as well to replace the chain if it's an endless one.But the crank sprocket just slides off, shouldn't be a problem. Mark the cam sprocket before you unbolt it so it goes back in the same place in relation to the camshaft: it can go back on in different positions to change the cam timing.

Handy hint for replacing- it can be a right faff holding the tensioner back and sliding the cover back on at the same time as trying to keep the gasket in place. You can try holding the tensioner back with wire like the books say but I drilled a small hole in the cover , I can shove a drillbit through, this holds the tensioner until the cover's in place, then pull the bit out and  close the hole with a grommet: quick and easy!


'68 Mk1 Vitesse convertible boneshaker, and a somewhat more economical '89 998cc A series powered Metro.
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mazfg
January 30, 2013, 1:42pm Report to Moderator


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Thanks for the info bxbodger! I couldn't get the oil thrower(I think it is) off the crank, which is before the crank sprocket....do i need to take the woodruff key out first though?


Current: Triumph Vitesse 6 convertible with O/D 1964

21 Years ago...and my first car! : Triumph Herald 1200 Saloon/ Tristan conversion 1966
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piman
January 30, 2013, 3:02pm Report to Moderator


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Hello Mazfg,

it's been a while since I had an engine in bits but from what I remember there is a key sized slot in the thrower, you need to turn it until it lines up and then it should just slide off?

Alec


Oswestry, Shropshire.

Mk1 1\2 P.I.,Jaguar Mk 2, very long term restoration. Jaguar X Type estate 2.5, Hymer 564 motorhome.
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Nick Jones
January 30, 2013, 7:36pm Report to Moderator

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Why do people think the bottom sprocket has to come off the crank to remove the chain?  Top sprocket yes, crank sprocket, no.  Thrower plate is sandwiched between the sprocket and the spacer sleeve that the oil seal runs on.  Neither needs to be removed to change the chain, but if there is a groove worn in the spacer sleeve where the seal runs then it is a good idea to turn it around or renew it.  If there are already two grooves in it them someone has beaten you to the turning around dodge!

I've always managed to get the cover and chain tensioner back on by presenting it at the right angle.  That is easier with duplex chains though - more overlapping area to hit!

Cheers

Nick


Nick Jones
Somerset UK

Vitesse Mk 1.5 Convertible EFI, Survivor of RBRR 2008, HCR & 10CR 2009, HCR 2010, 10CR2011, HCR 2012, 10CR2013, 10CR2015 & HCR 2016.
GT6 Mk3 Roto - project in waiting
Spitfire MKIV resto nearly complete (consultant only - son's project)
2.5 PI Saloon now EFI (PIe?), Engine rebuilt and running sweet.  Diff howling...... Survivor of HCR 2013 & 2014 Gone to live in Swansea

http://www.tengaston.plus.com
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mazfg
January 31, 2013, 12:50pm Report to Moderator


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I can't get my spacer sleeve off and there's nothing to grip onto. Have given it plenty of "plus gas", but won't budge...any ideas??

NB: The groove showing is only a surface mark.



Current: Triumph Vitesse 6 convertible with O/D 1964

21 Years ago...and my first car! : Triumph Herald 1200 Saloon/ Tristan conversion 1966
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Nick Jones
January 31, 2013, 1:20pm Report to Moderator

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Spacer has already been turned - see the two marks and chamfer facing inwards.  If you can't feel the mark with a finger nail then leave it.

No need to remove any of that lot to change the timing chain!

Nick


Nick Jones
Somerset UK

Vitesse Mk 1.5 Convertible EFI, Survivor of RBRR 2008, HCR & 10CR 2009, HCR 2010, 10CR2011, HCR 2012, 10CR2013, 10CR2015 & HCR 2016.
GT6 Mk3 Roto - project in waiting
Spitfire MKIV resto nearly complete (consultant only - son's project)
2.5 PI Saloon now EFI (PIe?), Engine rebuilt and running sweet.  Diff howling...... Survivor of HCR 2013 & 2014 Gone to live in Swansea

http://www.tengaston.plus.com
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Dale
January 31, 2013, 1:28pm Report to Moderator

Dale Barker
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What Nick says is absolutely right, oh and by the way, don't forget to pick that washer up off the drive - they cost money you know!  


Harold: '67 Herald (Not 1200 for a while now) convertible - some bits still fairly shiny & red some not quite so shiny, some now even the wrong kind of red! Height adjustable at the front by virtue of clever spring seat thingies (and flat tyres) and at the back by virtue of how much cr*p is in the boot

Maude: '66 2000 (for now) saloon in amazingly good and near original condition with mahoosive Webasto sunroof, manual now with o/d and back on the road after 9 year lapse. Much electrickery, Alfa seatery & carburettory also now done.

Polish them if you must, but don't stick them on the mantelpiece - drive them (carefully, cos the number of wheels in contact with the black stuff [or the other end of the driveshaft] is liable to change when you least expect it !
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mazfg
January 31, 2013, 3:14pm Report to Moderator


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Thanks for the info guys. Whilst I know it doesn't need to come off now, I'd still like to free it and inspect it....

I also have a new timing cover rubber oil seal to fit and notice it look like a poor mans version without the metal jacket of the original. I assume the  closed face goes in the timing cover leaving the open end facing the spacer and oil thrower?



Current: Triumph Vitesse 6 convertible with O/D 1964

21 Years ago...and my first car! : Triumph Herald 1200 Saloon/ Tristan conversion 1966
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mazfg
January 31, 2013, 5:00pm Report to Moderator


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This the right way round?


Current: Triumph Vitesse 6 convertible with O/D 1964

21 Years ago...and my first car! : Triumph Herald 1200 Saloon/ Tristan conversion 1966
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Nick Jones
January 31, 2013, 7:27pm Report to Moderator

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Yes.  There is metal in it - just completely enclosed in the rubber.

Nick


Nick Jones
Somerset UK

Vitesse Mk 1.5 Convertible EFI, Survivor of RBRR 2008, HCR & 10CR 2009, HCR 2010, 10CR2011, HCR 2012, 10CR2013, 10CR2015 & HCR 2016.
GT6 Mk3 Roto - project in waiting
Spitfire MKIV resto nearly complete (consultant only - son's project)
2.5 PI Saloon now EFI (PIe?), Engine rebuilt and running sweet.  Diff howling...... Survivor of HCR 2013 & 2014 Gone to live in Swansea

http://www.tengaston.plus.com
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mazfg
January 31, 2013, 9:29pm Report to Moderator


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Found this: http://www.tssc.org.uk/forum_a.....8122634780850782.htm

Apparently this guy had a very small ridge on the spacer and it still leaked oil.....hence why he changed it....I'd better double check mine


Current: Triumph Vitesse 6 convertible with O/D 1964

21 Years ago...and my first car! : Triumph Herald 1200 Saloon/ Tristan conversion 1966
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mazfg
March 29, 2013, 7:44pm Report to Moderator


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Quoted from mazfg


This the right way round?


Can anyone confirm this? After fitting I am thinking it may have been better  with the open end the other way round?


Current: Triumph Vitesse 6 convertible with O/D 1964

21 Years ago...and my first car! : Triumph Herald 1200 Saloon/ Tristan conversion 1966
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garyf
March 29, 2013, 7:50pm Report to Moderator

You'll feel much more alive in a 5
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Don't Panic!!

Thats the right way
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mazfg
March 29, 2013, 7:53pm Report to Moderator


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I only said that, as when i went to fit, the first few atempts the spring around the inner part popped off....was thinking if it was the other way against the front it couldn't...
Phew glad to hear it anyway...didn't fancy taking it all off again!!  I can rest in peace now Many thanks!


Current: Triumph Vitesse 6 convertible with O/D 1964

21 Years ago...and my first car! : Triumph Herald 1200 Saloon/ Tristan conversion 1966
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