I'm tooling up to change the valve guide seals in my M103 and I need a valve spring compressor. The head seems a little non-standard and I'm not sure what kind of tool to use to compress the springs and where to get it. Any suggestions?

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5 speed '91 190E 2.6 73,000 mi. (new car, fast, couldn't find any more Peugeots)
5 speed '85 Peugeot 505 2.5l Turbo Diesel 250,000 mi. (old car, slow)
5 speed '85 Peugeot 505 2.2l Turbo Gas 150,000 mi. (wifes car, faster)
5 speed '83 Yamaha 750 Maxim 14,000 mi. (fastest)
0 speed 4' x 8' 1800 lb Harbor Freight utility trailer (with 12" wheels)

I would think that the kind with a hand knob on top would be your best in reaching over the spring since the room you have around it is limited.

When replacing the cam, be sure to get all your rocker arm assemblies back in place with the bolts finger tight, then tighten them down evenly, you can strip threads, or even break the cam if you're not careful. The key is even pressure up and down both ends of the cam.

Good luck,

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Larry Bible
'01 C Class, Six Speed
'84 Euro 240D, manual, 533K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in
Mercedes automobiles