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How do you change the three plugs on the back side of the engine in a 1994 olds cutlass supreme?
Wiki User
∙ 13y ago
depends on which engine it has. If it is 3.4L Twin Dual Overhead Cam version the engine is very tight against firewall. The engine mounting leg on top of the engine has to be removed and install a special jack in its place to jack the engine away from firewall, essentially rocking the engine forward so a skinny hand can reach down behind the back bank of spark plugs.
You can also unbolt the two top engine mounts. After doing so pull the mounts back. Reinstall the left bolt in the mount bracket. Using a crow bar on the left bolt pry the engine forward just far enough to install the right side bolt into the second hole on the right mount. This will hold the engine forward and you can then get to the back side of engine. (Note: this is on the 3.1L engine)
Wiki User
∙ 13y ago
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don't have my manuel how many spark plugs are there in a 1997 cutlass supreme oldsmobile. need to change them all v6 engine. what is the best brand to buy thank you
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