Above or below
Drifting
Joined: Mar 2017
Posts: 1,483
Likes: 343
From: Long Island New York
I did mine from the top, didn't think it could be done from bottom, too much stuff in the way.
Anyways, its not a bad job, I used anti freezing compound & dielectric grease for the boots.
Anyways, its not a bad job, I used anti freezing compound & dielectric grease for the boots.
Pro
Joined: Jun 2015
Posts: 548
Likes: 102
From: Madison WI
Very much the top! An assortment of extensions, sockets, and knuckles will help get to them all, the back one on the driver's side requires just the right combo of tools to get to it easily.
Take your time, last thing you want is to make a small job into a big job by cross threading or braking spark plugs off.
Take your time, last thing you want is to make a small job into a big job by cross threading or braking spark plugs off.
Instructor
Joined: Oct 2018
Posts: 113
Likes: 21
From: Phoenix, AZ
Above. Easy 3 hour job (2.5 hours of that spent getting the 14 year old plug wires off the plugs!). Just did it on my 2004 Z06, this Snap-On socket, while not required, made the #7 cylinder (Driver's side rear) a piece of cake. Only thing I removed was the air tube on the driver's side. I replaced the plug wires with new GM Performance Parts red wires. Remember to use anti-sieze on the plugs and di-electric grease on the boots.
https://store.snapon.com/3-8-Drive-D...t-P642284.aspx
https://store.snapon.com/3-8-Drive-D...t-P642284.aspx
No Hostility Be Happy
Joined: Aug 2018
Posts: 10,017
Likes: 7,323
From: South Hill Wa
2022 C5 of the Year Finalist - Modified
2021 C5 of the Year Finalist - Modified
My AIR system is gone and I have long tubes. Super easy from the top. Probably less than a half hour job. Regardless I couldn't even imagine trying to do it from the bottom.
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Melting Slicks
Joined: Jul 2006
Posts: 2,332
Likes: 31
From: Silver Spring MD
Above. Easy 3 hour job (2.5 hours of that spent getting the 14 year old plug wires off the plugs!). Just did it on my 2004 Z06, this Snap-On socket, while not required, made the #7 cylinder (Driver's side rear) a piece of cake. Only thing I removed was the air tube on the driver's side. I replaced the plug wires with new GM Performance Parts red wires. Remember to use anti-sieze on the plugs and di-electric grease on the boots.
https://store.snapon.com/3-8-Drive-D...t-P642284.aspx
https://store.snapon.com/3-8-Drive-D...t-P642284.aspx
Le Mans Master
Joined: Sep 2003
Posts: 8,812
Likes: 2,029
From: eastern NC
This the socket I use that makes the job much easier on many of the plugs. (You can even find one on eBay right now for $30
)
Good luck... GUSTO
