Difficult situation in auto repair needs ideas

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SUMMARY

The forum discussion centers on a challenging situation encountered while changing spark plugs in a van, where a small socket and a magnetic tip fell into the spark plug hole. After successfully retrieving the socket using a spring-loaded magnet, the focus shifted to extracting the stuck magnetic tip. Participants suggested various methods, including using a strong electromagnet, a shop vacuum, and a sticky substance on a dowel to retrieve the object. Additionally, turning the engine over by hand to reposition the piston was recommended to improve accessibility.

PREREQUISITES
  • Understanding of spark plug assembly and cylinder design
  • Familiarity with basic automotive repair tools, including magnets and vacuums
  • Knowledge of engine mechanics, specifically piston movement
  • Experience with retrieval techniques for small objects in confined spaces
NEXT STEPS
  • Research methods for using electromagnets in automotive applications
  • Learn about flexible vacuum hose techniques for retrieving small objects
  • Investigate the use of sticky substances for object retrieval in tight spaces
  • Explore engine mechanics related to spark plug and piston positioning
USEFUL FOR

Automotive technicians, DIY car enthusiasts, and anyone involved in engine repair or maintenance who may encounter similar challenges with retrieving objects from confined spaces.

jonaq
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We were working on the van yesterday changing spark plugs. the air filter was in the way so I went to remove it and a small socket fell into the open spark plug hole into the cylinder. We went out and bought a small spring loaded magnet to fish it out, but it kept picking it up from the side and falling off once it hit the hole (too long to fit that direction). I went in side to look for a different magnet and Ray tried. Well he managed to drop the magnetic tip in the cylinder as well ! I put the new magnet in and pulled the socket out first try! Now we have to try and get the magnet tip out. It id stuck to the cylinder wall up high. (we have a camera probe that can see it) As you can see by my sketch it is a real tough spot and no room to move. The spark plugs on this motor are completely recessed in the head so the hole for the plug is at the bottom of a 1" diameter tube about 5" deep! We have thought about building a strong electro magnet and sticking it in the hole and drawing it off the wall, but not sure how to do that. might try a shop vac, but don't have very high hopes of that working. I thought that maybe you guys might have an idea .It is about a 10 hour job to take this apart to retrieve it!
thanks
John
 
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One thing to consider is to turn the engine over by hand to move the piston higher and maybe make the parts more accessible.

Consider putting a sticky substance on the end of a dowel and see if you can poke the parts and get them to stick...you should try a test outside the cylinder first to see if you
can get similar tools to stick and be lifted...

Another possibility is to attach a vacuum hose to a thin pice of flex tubing...may a few feet of clear vinyl tubing...small enough to get thru the spark plug hole...'suck it out'.

good luck.
 

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