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mg_zr
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Discussion Starter #1
Astra bertone 1.8 petrol
Z18xe engine

Is it possible to renew valve stem seals without removing the head from the block?

Advice and wisdom please! (other than buying a rover... I've already suggested that ;)
 

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I've heard of being it done on a 1600cc 8 valve Vauxhall engine by pressurising the cylinder but never seen it done on a 16v engine.

Apparently you can buy something that pressurises the cylinder holding the valves closed, but it only works if your rings are ok. May be worth looking on one of the Vauxhall forums to get a better idea.
 
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