Support Team Shaun_E Posted July 12, 2022 Support Team Share Posted July 12, 2022 Just removed the spark plugs from my Duratec and plug no.1 is rusty. Obviously water has got trapped there but of more concern is the state of the thread. Looks like some debris could easily have dropped into the head on removal of the plug. Should I be worried? The other plug threads were quite oily- is that normal? Not seen it before. Link to comment Share on other sites More sharing options...
aerobod - near CYYC Posted July 12, 2022 Share Posted July 12, 2022 I would say there shouldn't be a problem, but any debris would have dropped straight down, so a wooden dowel with painters tape or similar wrapped sticky side out could be used to dab on the top of the piston to collect any particles. Keep the tape long up the dowel to avoid loosing the end inside the cylinder if it comes off the dowel. Link to comment Share on other sites More sharing options...
Area Representative jonsymons Posted July 12, 2022 Area Representative Share Posted July 12, 2022 I've used one of these to clean the thread in the head if that's of concern...the gunk gets trapped in the vertical slothttps://www.burtonpower.com/lisle-plug-thread-cleaner-jsl2020.html Link to comment Share on other sites More sharing options...
7 wonders of the world Posted July 12, 2022 Share Posted July 12, 2022 push a length of 6mm tube up the hoover nozzle and tape the gap you can then hoover the piston and surrounding area. Link to comment Share on other sites More sharing options...
SM25T Posted July 12, 2022 Share Posted July 12, 2022 Second the hoover recommendation. Other models of vacuum cleaner are acceptable. Link to comment Share on other sites More sharing options...
Wrightpayne Posted July 13, 2022 Share Posted July 13, 2022 When I change the plugs on the K I undo them all a little bit then blast out with the compressor air line to shift any debris Link to comment Share on other sites More sharing options...
Support Team Shaun_E Posted July 13, 2022 Author Support Team Share Posted July 13, 2022 Great tips, thanks everyone, I'll press the Henry into action. I did shine a torch down there and couldn't see any debris on the piston and the threads look pretty clean so looks like most of it came out with the plug. Link to comment Share on other sites More sharing options...
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