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How do you replace the fire wall side spark plugs in 1996 Chevy Lumina APV with a 3.4 V6?


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2015-07-15 21:17:12
2015-07-15 21:17:12

Tilting the engine forward is a pain in the butt and risks breaking/stressing lines/connections. Still a pain, but easier, is removing the alternator. Disconnect the battery. Remove serpentine belt from the alternator by slacking back the tension pulley. Remove the front bolt on the alternator, tilt the alternator back to access the rear bolt. Once alternator is removed, access to the plugs is still tight, but you can reach behind the engine with the necessary tools (you will need extensions for your ratchet wrench) to get to the plugs. Just finished this job about 10 minutes ago. No wonder the car was missing on my 1990. Found gaps to be .055 - .075. For my year and model (3.1 sedan) gaps should be .035

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Spark Plugs on a Lumina See the related questions to the right. HOW DO YOU CHANGE THE SPARKS PLUGS ON A 1993 CHEVY LUMINA APV 3.8L 231-V6 ENGINE (an van)

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my 93 lumina was cutting out and i cahnged the fuel filter and spark plugs and it runs good

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Front plugs are easy, but the rear plugs are very difficult to get at. The engine can be tilted forward to make access easier.

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yes. if they are original.


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