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#1
10-09-2010, 07:53 PM
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Need some help! 1978 300D 123130
I was calibrating the valves on my 1978 300D W123 this afternoon and found two valves Cylinder 3 and 4 (intake ans exhaust) that I couldn't adjust,
 any tips? is it possible that the valve guide needs to be replaced? Any help i really would appreciate! Thanks guys!
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#2
10-09-2010, 08:42 PM
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I've read on here that if the entire valve rotates with the adjustment nuts that you need to lightly hold the valve stem so you can adjust them if thats your problem
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hum..... 1987 300TD 311,000M Stolen. Presumed destroyed
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#3
10-09-2010, 10:03 PM
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Make sure you aren't spinning the valve when you turn the adjusting nut.
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Andrew '04 Jetta TDI Wagon  '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#4
10-09-2010, 11:55 PM
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1978 300D W123130
Hey guys! appreciate your help
 I will try that.God Bless
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#5
10-10-2010, 01:41 PM
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Quote:
Make sure you use some proper spanners - or some normal spanners that have been bent. Don't be tempted to use normal straight spanners - there is a chance that you will damage something. How big a chance this is I don't know - it depends on the user. HOWEVER I'm pretty sure the damage done to my engine was done by a monkey with straight spanners. Have a look at this:- http://www.peachparts.com/shopforum/showthread.php?t=276144 Keep on flicking through until you see the snapped valve guide. If this happens a new guide needs to be fitted and then the valve and valve seat needs to be cut to fit - and then lapped - as well as the guide being reamed to size... ...Oh and I forgot to say you can still adjust a valve clearance with a broken guide - so your problem is unlikely to be that.
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior  Don't leave that there - I'll take it to bits!
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#6
10-11-2010, 08:42 AM
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And would you Adam and Eve it?
Have a look at this:- http://www.peachparts.com/shopforum/showthread.php?t=286172
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits!
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