Oldsmobile 3.4 DOHC Change spark plugs - Oldsmobile Cars & Trucks

SOURCE: changing rear spark plugs

yes you have to take your front motor mount out and come along the motor forward you do not need to take the intake off

SOURCE: 1999 oldsmobile alero 3.4 liter- how do u change the back 3 spark

i removed the ignition coil pack and egr and use long extension and change them from the top. but it is not gonna be easy just take your time and make sure you have all the tools you need and double check on proper spurk plugs for not doublize job to change them again.work on each by each.

SOURCE: Changing spark plugs on a 1995 Oldsmobile Cutlass Ciera

ALL YOU NEED IS 3/8 RATCHET WITH A 5/8 SPARK PLUG SOCKET.YOU NEED EXTENSIONS AND UNIVERSAL JOINTS TO GET TO HARD TO REACH PLACES.YOU NEED A SPARK PLUG GAUGE.YOUR SPARK PLUG GAP SETTING WILL BE. 0.060 THAT WILL BE FOR THE 2.2 AND 3.1 ENGINES.

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SOURCE: Change spark plugs on a 96 Sable v6 dohc

actually if i was u i would take it in cus to get to the back 3 spark plugs u have to drop the back of the motor down about a foot or so until u can reach the plugs, or take the intake manifold off. either way its a pain in the ****. but its up to u. good luck to u and i hope this helps u

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SOURCE: how do i change the rear spark plugs on the v6 3.0

You will have to remove the intake to be able to get to it to change the plugs.