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#1
10-25-2007, 07:14 PM
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280E Valve Stem Seals
It's time to adjust the valves on my 280E - 110 engine. I understand the valve stem seals can be replaced w/the head still on, but my question is: do the camshafts need to be removed to do this?
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#2
10-25-2007, 11:09 PM
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I think you need camshafts in place to pull valve springs one cyl at time as you work from one TDC combst chamber to another.
__________________
'80 300SD/ w116 '79 240D 4-spd '71 750cc Guzzi previously owned: '83 240D 4-spd '77 280SEL 4-spd '74 280/8 '72 250/8 '65 220Sb 4-spd '63 220Sb 4-spd '63 190c 4-spd '61 220Sb 4-spd '60 190b 4-spd
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#3
10-26-2007, 01:07 AM
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So is there enough room to remove the rocker arm while under the cam?
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#4
10-26-2007, 08:53 AM
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should be enough room trick is getting the daggon compression you need to replace seals. There are special tools, of which I do not own, but I was able to rig up a system to compress and remove. you will need air pressure to hold the valve in proper posistion to replace seals. This is a tedious process and if never done before on engine can be quite frustrating. The keepers have a tedency to stay put.
 good luck
__________________
Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD  16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace
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#5
10-26-2007, 09:52 PM
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The keepers are precisely what I am concerned about. Are they one-piece, and how do you get them off without scoring the valve stems?
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#6
10-26-2007, 10:37 PM
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two piece, once the spring is compressed lightly tap the stem and hopefully they will come apart and off. I used a magnet and a pair of surgical long stem forceps to grab them. Some came off easy, others did not. In hind sight I guess I could have squirted them with lock ease or such, but not sure if that would have helped
__________________
Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace
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#7
10-26-2007, 11:20 PM
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Thanks much for the imput!
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