Change Spark Plugs on 99 LS4
02-23-05, 07:44 PM
#2
Nothing that I've seen...relatively straight forward. Just do one plug at a time rather than pulling all the ignition wires. This will prevent any cross-up's.
Swap time for me doing my '97 was an hour and a half. A PITA to remove the intake piping that connects to the throttle body between the MAF. Removing the plugs was a snap it's just all the covers that slow it down. Your VVTi is cenered so this may not be an issue.
A #3 Phillips screw driver for the plastic covers on the heads, a thin walled spark plug socket and 8" or 10" extension will get you on the way. 10mm socket for any engine cover bolts also.
Swap time for me doing my '97 was an hour and a half. A PITA to remove the intake piping that connects to the throttle body between the MAF. Removing the plugs was a snap it's just all the covers that slow it down. Your VVTi is cenered so this may not be an issue.
A #3 Phillips screw driver for the plastic covers on the heads, a thin walled spark plug socket and 8" or 10" extension will get you on the way. 10mm socket for any engine cover bolts also.
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