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#1
10-23-2008, 10:34 PM
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1990 E300 4matic Head Gasket
Hey all I have a family that needs my help with a bad head gasket on a 1990 E300 4 matic. Is there anything special needed to do this job (tools etc?) I know the car has not overheated it is just leaking oil badly.
It has a newer timing chain etc. Please chime in and let me know what you think or expeiences with doing it. I seen the kit here in the store section and the gaskets are priced excellent. Thanks Brian Felts 
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#2
10-24-2008, 08:29 AM
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Other than the head bolt socket, pretty much straight forward.
Remove nut on the chain tensioner before disconnecting the cam gear so the spring won't push out on the tensioner.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#3
10-24-2008, 08:54 AM
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are you sure its the head gasket and not the valve cover gasket?the valve cover gasket is prone to hardening and there is a half moon divet at the back where you cannot see very well.this area was leaking badly on mine.
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michael cole 1980 300SD gone now but not forgotten,87tdt,90 300te 4matic 95 e320 wagon
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#4
10-24-2008, 03:53 PM
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They had a "pro" check it at his shop and they said the gasket was leaking in the rear. I not long ago had a 95 E-320 and thought I remembered the 103 being a problem on the rear part of the head gasket. I have not looked at it myself yet.
I did about fall out of my seat when they wanted to charge HER $2500 and I can get everything from Phil under $100 - $120 Thanks all!!!! Brian Felts
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#5
10-24-2008, 03:59 PM
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Might also need a Pin removal tool to remove the chain rail pin/s @ the front cam cover ...One can make a basic one easy!
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MBENZNL.com
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#6
10-27-2008, 08:59 AM
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your 95 320 would have been a 104.these were known for headgasket weakness.the 103 not so much.i would be tempted to replace the valve cover gasket and see where this takes them.just a suggestion.friends who can save you money will always be remembered fondly
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michael cole 1980 300SD gone now but not forgotten,87tdt,90 300te 4matic 95 e320 wagon Last edited by michael cole; 10-27-2008 at 10:35 AM.
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#7
10-27-2008, 09:26 AM
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I am going to go have a long look at it ASAP and see where we stand. The valve cover would be a great find.
Brian
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