Having problems with your Hyundai Motor 2004 Sonata ?

2004 Hyundai Sonata 6 cyl

\015 In order to get to the spark plugs, the air intake plenum has to be removed. How difficult is this task. Is it something that one can do easilily or should I take it to a repair shop.\015 Posted / edited by AnonymousUser on : 11-12-2017

Answers :

Depends on how MECHANICALLY INCLINED you are. Have you done any repair work on vehicle engines before? It's not that difficult to do if you know how to turn a wrench/ratchet and THINK about what you are doing and what you are dealing with... .attention to details. Ya think? On the 04 2.7 lit V6 Sonata, there are two nuts and 5 bolts (two long and three short) which hold the plenum to the RISER manifold. There are an additional 3 to 4 bolts at the rear (firewall side) which support the plenum (they're all 12mm bolts). You'll need to remove the intake air hose to lift the plenum out of the way to access the 3 plugs on the RH side (rear) of the engine. You'll want to replace the plenum gasket when you do this. When you reinstall the plenum, the tightening torque is 11-14 lb.ft. Do not tighten the REAR support bolts until after you torque the surge tank bolts to the intake (riser) manifold.
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Repair Help & Product Troubleshooting for Hyundai Motor 2004 Sonata

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