cadillac_caddy_sts Posted April 15, 2005 Report Share Posted April 15, 2005 Im replacing the spark plugs in my 94 STS and was wondering how to go about doing this and what kind is best to get I know absoulutly nothing about this so if someone can explain that would be great. Thanks Defending Northstar perf a qtr mile at a time!!!! Link to comment Share on other sites More sharing options...
Ranger Posted April 15, 2005 Report Share Posted April 15, 2005 A/C Delco 91-450. Pull the plug wires off (pull on the tab on the boot, NOT the wire and twist as you pull). Remove the old plug with a spark plug socket and a 6" extension. Check and adjust the gap on the new plug as necessary. Then screw them in and replace the plug wire. Start them back in slowly so as not to cross thread them. If it feels tight starting, back it out and start again. Put a little dielectric grease on the inside of the boot to ease in reinstalling and later removal. A cotton swab works good for this. Link to comment Share on other sites More sharing options...
Scotty Posted April 15, 2005 Report Share Posted April 15, 2005 A/C Delco 91-450. Pull the plug wires off (pull on the tab on the boot, NOT the wire and twist as you pull). Remove the old plug with a spark plug socket and a 6" extension. Check and adjust the gap on the new plug as necessary. Then screw them in and replace the plug wire. Start them back in slowly so as not to cross thread them. If it feels tight starting, back it out and start again. Put a little dielectric grease on the inside of the boot to ease in reinstalling and later removal. A cotton swab works good for this. Larry, I have always added the dielectric grease on the inside of the boot myself, but the other day I was doing a little bathroom reading of my service manual, and found this! I did not know that the boots were greased for their lifetime! Needless to say, I will not use the dielectric grease going forward, look at all of these old habits I have to break!! Mike Link to comment Share on other sites More sharing options...
Ranger Posted April 15, 2005 Report Share Posted April 15, 2005 That may be Mike, but I am still gonna grease them. What else am I gonna do with that can of dielectric grease I bought. Link to comment Share on other sites More sharing options...
Scotty Posted April 15, 2005 Report Share Posted April 15, 2005 That may be Mike, but I am still gonna grease them. What else am I gonna do with that can of dielectric grease I bought. I was shocked when I read that in the manual! Hey save it for your bulb sockets! Link to comment Share on other sites More sharing options...
Ranger Posted April 15, 2005 Report Share Posted April 15, 2005 That may be Mike, but I am still gonna grease them. What else am I gonna do with that can of dielectric grease I bought. I was shocked when I read that in the manual! Hey save it for your bulb sockets! Might also work well as a KY substitute. Link to comment Share on other sites More sharing options...
JimD Posted April 15, 2005 Report Share Posted April 15, 2005 That may be Mike, but I am still gonna grease them. What else am I gonna do with that can of dielectric grease I bought. I was shocked when I read that in the manual! Hey save it for your bulb sockets! You bet! And anytime you have to pull apart a chassis connector, fill the cavity before you plug them together. Keeps moisture out. Chicken soup for electrical connections. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
Scotty Posted April 15, 2005 Report Share Posted April 15, 2005 Jim, is it OK for those snap connectors that have the rubber seals on them (like the one on the air intake?), Mike Link to comment Share on other sites More sharing options...
JimD Posted April 15, 2005 Report Share Posted April 15, 2005 I fill the cavity in any connector that is exposed to the elements. The rubber can look OK but deteriorate with age and thermal cycling. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
Ranger Posted April 15, 2005 Report Share Posted April 15, 2005 Thanks Jim, I never thought of that. Link to comment Share on other sites More sharing options...
bobnsue2 Posted April 16, 2005 Report Share Posted April 16, 2005 I had the fuse for the air conditioner blow a few times. I read somewhere to clean the plug on the compressor clutch then coat it with the dielectric grease. This fixed it. Bob B Link to comment Share on other sites More sharing options...
Scotty Posted April 16, 2005 Report Share Posted April 16, 2005 I am sold! That's what I love about this site, new ideas, methods and solutions Link to comment Share on other sites More sharing options...
JIMDTS Posted April 16, 2005 Report Share Posted April 16, 2005 That's a good idea the use the dielectric grease on the connectors It does deter water. However it can also hold water. I have many connectors filled with water and cause all kinds of BS problems. Usually these connector problems crop up after a washing of the engine stuff like that where the water just fills any void it can find on the connector So when using the dielectric fill the voids cavities up on the connector with the grease so water can't get in.. Jim Link to comment Share on other sites More sharing options...
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