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 WATER IN SPARK PLUG WELLS
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wilko2000uk@hotmail.com
Level 1 User

Joined: 29 Jun 2005
Posts: 29

Posted: Thu Nov 10, 2005 4:01 am

I have a Renault 19 16V and it has seemed it was like running on 3 cylinders. I pulled the spark plug leads out of the plug holes and noticed rusty coloured water sitting down in the holes. Also the water level is down. Is this a sign of something serious like head gasket gone. There dosnt seem to be any water in the oil as there is no sign of milk. Any advice please. Sad
huwwatkins
Site Subscriber

Joined: 10 Jun 2004
Posts: 2317

Posted: Thu Nov 10, 2005 4:12 am

Water can easily get in to the plug wells via the vent on the bonnet and cause the problems your describing. Dry it out and try again.
wilko2000uk@hotmail.com
Level 1 User

Joined: 29 Jun 2005
Posts: 29

Posted: Thu Nov 10, 2005 4:18 am

Mmmmm....But the water colour is rusty like what is in the coolant and the coolant level has dropped. I just dont understand how water can get into to the holes when the HT leads have rubber seals on them that close the holes off to the outside. Im away from home as well so no tools as such and no Haynes manual. Sad
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Thu Nov 10, 2005 4:34 am

Yes, the leads have rubber seals but come on, they're not totally water tight.

Like Huw said, dry it out, top up the coolant and give a drive. If the coolant in the plug wells comes back, you've got your answer.
wilko2000uk@hotmail.com
Level 1 User

Joined: 29 Jun 2005
Posts: 29

Posted: Thu Nov 10, 2005 4:56 am

So if it comes back then, it would be head gasket then?
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Thu Nov 10, 2005 4:58 am

Yes, unless it's been raining heavily and it's just rainwater again Wink
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