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MK5 DOHC timing chain tensioner replacement

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MK5 DOHC timing chain tensioner replacement

Postby Innertemple » Tue Oct 04, 2011 11:59 pm

Hi,
my van has been making tapping/knocking noises at startup which become quieter after a short while.
After scouring sources it seems my chain tensioner may need replacing.

If anyone has any other suggestions what it might be, please let me know as i would like to exhaust all avenues b4 purchasing a kit and setting out dismantling it.

In any event, if it is the tensioner that needs replacing could someone please give me a run down of what parts i would need for the job, including replacement of any gaskets/seals/washers etc and any products im gonna need for the job.
Also any recommendations for any such products are welcomed to aid my search.

Im looking at getting it done in a couple of weeks and will try to document it for the site if it proves useful to someone else.

Many thanks

Paul
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Re: MK5 timing chain tensioner replacement

Postby Innertemple » Wed Oct 05, 2011 12:53 am

Hi,
sorry, didnt mention what van it is :P.

Its a RWD P'reg Transit tourneo, 2.0 petrol dohc. (which is a Ford 14(Not sure what engine code))i think, please correct if im wrong).
btw It also has an early, multi point injection lpg conversion, not sure if this makes a difference to anything i need other than the plug gaps.

thanks
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Re: MK5 DOHC timing chain tensioner replacement

Postby johny transit » Wed Oct 05, 2011 11:22 am

Mine rattles too, on startup - but only if I have not used it for a couple days. I suspect worn cams which obviously quieten as soon as the oil gets going. But, I have worried it could be the chain as I have heard about this. I'll keep my eye on this thread... good luck with the chain replacement.
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Re: MK5 DOHC timing chain tensioner replacement

Postby GrimBus » Wed Oct 05, 2011 11:27 am

This shows what I did on mine :)

My kit came from Ebay.

viewtopic.php?f=4&t=77109
Ontario Blue '99 MK 5 Tourneo DOHC
www.brooklandsmotorcraft.co.uk
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Re: MK5 DOHC timing chain tensioner replacement

Postby Innertemple » Wed Oct 05, 2011 1:28 pm

Yep, I thought noise was from top but couldnt be sure. It may be tensioner as it only lasts for a short while. Im going to have a look in the top anyway tho as it sounded like tappets at first.
I thought it had hydraulic tappets and understood these auto adjust so really not sure.
A couple of weeks ago the rattle didnt go away as quickly and lasted a bit longer, then later in the day it dissapeared again.
Im lookin for a runabout atm so I have more time to check it out as both my missus and me cant be without a motor.
Thx for link ill check it out, as I havent got amanual to cover this engine which is annoyin.
Any other manual cover this engine?. I believe its ford 14, 8v 2.0 dohc.
Thanks
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Re: MK5 DOHC timing chain tensioner replacement

Postby Innertemple » Wed Oct 05, 2011 1:34 pm

Ty grimbus, was handy to see the pics.
Any chance you have a copy of manual?.
Btw,what did u get in ur kit and what did you use out of it?
Any particular lube needed like copper grease etc on anything down there?
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Re: MK5 DOHC timing chain tensioner replacement

Postby Altransit » Wed Oct 05, 2011 1:41 pm

The later 2 litre Sierras, and the "frogeye" Scorpios all used this engine, so a Haynes for these will cover that same engine :D
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Re: MK5 DOHC timing chain tensioner replacement

Postby Innertemple » Wed Oct 05, 2011 1:57 pm

Thx, will try pick one up tomorrow.
:)
If I get a chance ill take some pics and maybe vid the sound.
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Re: MK5 DOHC timing chain tensioner replacement

Postby johny transit » Wed Oct 05, 2011 4:25 pm

Yeh if you can vid the sound, I'll do the same with mine!
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Re: MK5 DOHC timing chain tensioner replacement

Postby MinorMatt » Wed Oct 05, 2011 5:01 pm

Its an i4 not a 14 ;)
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Re: MK5 DOHC timing chain tensioner replacement

Postby GrimBus » Wed Oct 12, 2011 12:09 pm

I think I bought the chain guides from Fords just in case, although mine looked ok and the rubber gasket in the pics was surplus. Maybe a Sierra version used this with the different front cover.

IIRC I fitted the tensioner wheel, plunger, chains and oils seal.

Some said to replace the bottom pulley bolt as it's a stretch bolt but my Fords supplier hadn't got one and said they had never sold one ever so not to worry, I didn't :wink:
Ontario Blue '99 MK 5 Tourneo DOHC
www.brooklandsmotorcraft.co.uk
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Re: MK5 DOHC timing chain tensioner replacement

Postby Innertemple » Thu Dec 08, 2011 10:15 pm

GrimBus wrote:I think I bought the chain guides from Fords just in case, although mine looked ok and the rubber gasket in the pics was surplus. Maybe a Sierra version used this with the different front cover.

IIRC I fitted the tensioner wheel, plunger, chains and oils seal.
What parts exactly am i going to need to properly replace the chain and tensioner? including any bolts/seals etc?

Some said to replace the bottom pulley bolt as it's a stretch bolt but my Fords supplier hadn't got one and said they had never sold one ever so not to worry, I didn't :wink:


Having been a bit strapped, i still havent sorted my van yet, the tapping is worse and i have to get it sorted so looking for kit at the moment and also making checklist of exactly what to check for to diagnose the noise.

Sorry to sound stupid, but what do you mean exactly by oils seal?

also btw, i found this useful:

http://www.fordscorpio.co.uk/images/dohc20chains.jpg

from:

http://www.fordscorpio.co.uk/timingchain29cos.htm

DOHC Timing Gear

The DOHC engines have many parts in common.

On the right the DOHC2000 is shown. Both the 8V and the 16V use this arrangement.

There are two simplex chains of unequal length, one for the cams and the other for the oil pump. The timing chain (4) rides the crankshaft pulley to run over a tensioner pulley (6) operated by the tensioner (8), then over the camshaft pulleys. An upper chain guide (10) is fitted between the cam pulleys.

It passes the chain guide (11) operating on a fulcrum provided by the collared bolt (21).

The oil pump drive chain runs on the forward pulley (1) passes a blade tensioner (19) using tension from the spring (9) and then over the oil pump drive pulley (3) and returns.

Any tips on checking tappets/adjusting tappets including how to do this and how to set correctly?

many thanks
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Re: MK5 DOHC timing chain tensioner replacement

Postby Innertemple » Thu Dec 08, 2011 10:16 pm

also, any recommended places to get hold of a decent kit?

thanks in advance
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Re: MK5 DOHC timing chain tensioner replacement

Postby Innertemple » Thu Dec 08, 2011 10:23 pm

apologies for multiple replies, but any recommended spark plug for my ford i4 2.0 dohc, it has lpg conversion and have seen a few different plugs claiming better performance, but dont really know.
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Re: MK5 DOHC timing chain tensioner replacement

Postby Innertemple » Sat Aug 10, 2013 3:12 pm

Bump

Finally going to get tensioner & chain done, can anyone help me with:

what tools or parts(gaskets) i might need that i may have overlooked;
procedure for job or manual/guide etc;
any other tips/pics welcome

ty
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