1st Gen Protege/323/GLC General/Maintenance Discussion for 1990-1994 Models (BG Chassis) and 1981-1989 GLC/323 Models (BD and BF chassis)

Help! Spark plugs keep backing out!

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Old February-2nd-2004, 01:12 PM
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Help! Spark plugs keep backing out!

('94 DX 1.8 SOHC; 154,000 miles)
I've had the car for more than 4 years now and this is the first problem to bother me. The first time it happened I was on the interstate and I ended up driving on 3 cylinders. I put new plugs and wires in when it happened a few months ago and now the plugs are backing out again. I neither over or under tighten them. I've heard horror stories from other 4 cylinder engines blowing part of the head out when sparkplugs are over tightened. Is this a somewhat common issue with these cars? Any suggestions on trying to combat this issue?

Last edited by snel; February-2nd-2004 at 01:15 PM.
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Old February-2nd-2004, 02:40 PM
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Old February-2nd-2004, 03:22 PM
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Originally posted by Protoss
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so....something like anti-seize or what?
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Old February-2nd-2004, 03:33 PM
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Originally posted by snel
so....something like anti-seize or what?
if you over-tightened them, you may have to re-tap the plug threads.
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Old February-2nd-2004, 06:20 PM
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Originally posted by fst323
if you over-tightened them, you may have to re-tap the plug threads.
Like I said earlier, I have not over tightened them. The only problem is that they back out over time. (i.e. 3 months or so)
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