blackspawn Posted May 3, 2009 Share Posted May 3, 2009 (edited) I bought a 1990 Pathfinder with 166,000 on it and wanted to do a tune-up; but the problem that I'm having I can not turn the plugs to change them out. NEED HELP I do not want to strip the threads out! Edited May 3, 2009 by blackspawn Link to comment Share on other sites More sharing options...
OldSlowReliable Posted May 3, 2009 Share Posted May 3, 2009 Idk if you would want to use pb blaster on that area :\, but if you can, that would be my best guess Or just tug your heart out! Link to comment Share on other sites More sharing options...
blackspawn Posted May 3, 2009 Author Share Posted May 3, 2009 thanks old slow reliable, I have a new can of pb blaster that Im going to try in the morning. I just thought that there were an easier way of doing this. Link to comment Share on other sites More sharing options...
adamzan Posted May 3, 2009 Share Posted May 3, 2009 Someone once told me they used Iodine to free seized plugs and un seize a motor.... May that would work. Link to comment Share on other sites More sharing options...
Nismojunky Posted May 3, 2009 Share Posted May 3, 2009 fill the plug spot with brake fluid and keep doing this for a few days then try tightning them then loosing them thats what i had to do Link to comment Share on other sites More sharing options...
unccpathfinder Posted May 3, 2009 Share Posted May 3, 2009 if u break the plug (porcelain) before you remove the plug vacuum and blow out the area before completely removing it...and maybe even turn the engine over several times with the starter with no new plugs in to "clear" the cylinder... Link to comment Share on other sites More sharing options...
GrimGreg Posted May 3, 2009 Share Posted May 3, 2009 fill the plug spot with brake fluid and keep doing this for a few days then try tightning them then loosing them thats what i had to do DO NOT POUR BRAKE FLUID ON YOUR ENGINE! Link to comment Share on other sites More sharing options...
morpheus Posted May 3, 2009 Share Posted May 3, 2009 fill the plug spot with brake fluid and keep doing this for a few days then try tightning them then loosing them thats what i had to do Now there's a new idea... never heard of that one before... where'd that come from? Link to comment Share on other sites More sharing options...
Precise1 Posted May 3, 2009 Share Posted May 3, 2009 I second the PB blaster suggestion. Try to budge them cold, then warm or hot. Once it does move, don't just unscrew it all the way, thread it back in a turn or so to allow the penetrant deeper access. Do not let the threads heat up or they may gall. Get it a few turns out, and let it sit for 5 mintues and then go back and turn it a few more threads, etc... Before fully removing the plug, make sure to vacuum or blow out the plug well!! B Link to comment Share on other sites More sharing options...
blackspawn Posted May 3, 2009 Author Share Posted May 3, 2009 I did the pb blaster way and slowly turn them back and forth. I got 4 out so for far. I don't have anything to blow it out with so I wipe it out the best I could. so far I didn't break any spark plugs or strip any threads! Link to comment Share on other sites More sharing options...
OldSlowReliable Posted May 3, 2009 Share Posted May 3, 2009 I did the pb blaster way and slowly turn them back and forth. I got 4 out so for far. I don't have anything to blow it out with so I wipe it out the best I could. so far I didn't break any spark plugs or strip any threads! Id think some electronic cleaner stuff, that air can that you use to spray dust off your keyboard/screen and such would work for you, but idk if it would be strong enough :\ Link to comment Share on other sites More sharing options...
Cuong Nguyen Posted May 3, 2009 Share Posted May 3, 2009 use a long flat screwdriver or something similar to scrap around the plug as well. Mines always fully of dirt, mud, and rocks. Link to comment Share on other sites More sharing options...
Precise1 Posted May 3, 2009 Share Posted May 3, 2009 /\ Like they said. It's worth the effort not to drop crud into the cylinders. I've used a screw driver and wadded paper towel pieces to break loose/mop up crud and clear it out with canned air (no air compressor). It works fairly well... I did the pb blaster way and slowly turn them back and forth. I got 4 out so for far. I don't have anything to blow it out with so I wipe it out the best I could. so far I didn't break any spark plugs or strip any threads! Nice!! Sometimes patience is the only way... Make sure to put some anti seize on the threads of the new plugs. B Link to comment Share on other sites More sharing options...
blackspawn Posted May 4, 2009 Author Share Posted May 4, 2009 Thanks to everybody who help me; I got all of them changed out! I sprayed the pb blaster on the plugs and let them set awhile then I worked the plugs back and forth until they loosing up; but before I took the plug all the way out I used a shop towel(the blue roll) and a flat head screwdriver and worked the crud out the best I could. The new plugs were put in with anti-seize on the threads. I drove it today and it drives like a new truck! Thank again for the information and encouragement to do this. PB Blaster is the S@#T!!!!! Also if anyone is changing out there spark plugs, spend the extra money and buy the Bosch Platinum+2. They made my pathfinder feel like it has extra horsepower,but maybe its just because my old ones were so worn out. THANKS AGAIN!!! Link to comment Share on other sites More sharing options...
GrimGreg Posted May 4, 2009 Share Posted May 4, 2009 Also if anyone is changing out there spark plugs, spend the extra money and buy the Bosch Platinum+2. No thanks,, nothing but NGKs in my Nissans. Link to comment Share on other sites More sharing options...
beastpath Posted May 21, 2009 Share Posted May 21, 2009 what would happen if stuff fell into the plug holes just out of curiosity? Link to comment Share on other sites More sharing options...
beavis0076 Posted May 21, 2009 Share Posted May 21, 2009 what would happen if stuff fell into the plug holes just out of curiosity? it could score the cylinder wall, or damage the piston. Link to comment Share on other sites More sharing options...
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