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newbie cosworth owner; did haynes do a manual for the 2.5 cosworth
Topic Started: Mon Jan 3, 2011 4:22 pm (1,081 Views)
themonk200
Newbie
[ * ]
hi all, owned a few 190e's before, this is my first cosworth. hopefully if done rite ther should be some pics bolow. btw does anyone know if haynes did a manual for the cosworth 2.5


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iggy
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More than part of things
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hi your 190 looks great, unfortunately haynes didnt do a manual for the 25-16, but im sure all your questions and information you need can be found here, there's some very knowledgeable guys on this forum
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gibpetrolhead
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Racing line
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Hi and welcome to the forum short answer is no but there downloads available in the tech guides and walkthrough section which cover the

supplement 102.983 for 2.5-16 engine.
Edited by gibpetrolhead, Mon Jan 3, 2011 5:24 pm.
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Jay
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Part of things
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Search Ebay for a copy of WIS/ EPC
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gibpetrolhead
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Racing line
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Jay
Mon Jan 3, 2011 5:53 pm
Search Ebay for a copy of WIS/ EPC
Join the Mercedes-Benz Club and get it for free. :D
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Jay
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Part of things
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gibpetrolhead
Wed Jan 5, 2011 10:00 pm
Jay
Mon Jan 3, 2011 5:53 pm
Search Ebay for a copy of WIS/ EPC
Join the Mercedes-Benz Club and get it for free. :D
Bugger, few years too late :)
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themonk200
Newbie
[ * ]
thanks for the welcome. could do with some advice, going to do the cam followers, only ever done them on fords. is it an easy job just collected them from the shop and they look tiny!
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jeremy
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Too Far Gone To Help
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Lovely exterior , now for some underbonnet & interior shots ?


Jeremy
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stwat
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Hello and welcome.

Do you mean the shims? Did you measure the gaps to see which sizes you needed?
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themonk200
Newbie
[ * ]
stwat
Sat Jan 22, 2011 3:32 pm
Hello and welcome.

Do you mean the shims? Did you measure the gaps to see which sizes you needed?
well still using her so didnt want to take a part twice and buy 2 gaskets. well i orderd hydralic lifters for my car useing my registration at my local mega spares. so im hoping there the right part. wen ive had tapping before its been an easy job just to cange the followers over but tht was on old fords! got no manual to see how its done.
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Will
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Highly Addicted
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themonk200
Sun Jan 23, 2011 1:03 pm
stwat
Sat Jan 22, 2011 3:32 pm
Hello and welcome.

Do you mean the shims? Did you measure the gaps to see which sizes you needed?
well still using her so didnt want to take a part twice and buy 2 gaskets. well i orderd hydralic lifters for my car useing my registration at my local mega spares. so im hoping there the right part. wen ive had tapping before its been an easy job just to cange the followers over but tht was on old fords! got no manual to see how its done.
Hi there and welcome B)

First things first, Haynes don't do a manual for the 2.5-16, although it might be helpful for some of the more basic W201 mechanical jobs. As said already, WIS is what you want - Mercedes-Benz's own workshop manual.

Regarding your second question - oh dear! :$

You need to return the parts you have bought as they are no good whatsoever :help:

The 2.3/2.5-16 'Cosworth' 190Es do no have hydraulic tappets/lifters. They have bucket tappets and use small solid shims that sit underneath to adjust the clearance between the tappet and the camshaft.

You don't replace the tappets, what you do is replace the shim underneath to obtain the correct clearance. There should be a sticker on the slam panel under the bonnet with the correct specs which are different for the exhaust and inlet side, and will vary dependant upon temperature.

Even a well shimmed engine will sound tappety, it's because you have sixteen valves with a small gap underneath - these are not zero-lash tappets as you would find on most engines.

Having said all that, if the tappets are quite noticably out, it's probably due to valve seat recession if too tight and/or worn guides etc. What is the mileage/history of your car, how well does it run, any recent work etc?

Will
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themonk200
Newbie
[ * ]
thanks for tht i'll ring them up on monday, yhea it taps quite badly drives ok, has a little stuter at higher speeds when warm. already replaced the fuel pumps which let me down the first month i had it, replaced the fuel filter when i gave it a good service, new hd leads and dizy cap which where worse for wear but yet the stutter still remains which is why i thought it could be caused by the noisey tappets. cars only done 116 000 miles on it but most of the parts look completly oringinal
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cossie connoisseur
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there can be only one ;-)
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stutter could be lots of things unfortunatly, if your good with a multimeter there is a guide on here for eliminating components at fault.

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