The head does not have to come off. This is a relatively easy fix. Need spark plug high pressure air adapter, valve spring compressor and a good understanding of how to do the job. It's not difficult, but you do need the tools.

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Jeff Lawrence
1987 300e
1989 300e
2000 Dodge Grand Caravan SE

[This message has been edited by jeffsr (edited 09-05-2000).]