Question about 2006 Hyundai Santa Fe

5 Answers

Spark plug replacement

I have been servicing & repairing my cars for years. (Brakes, ball joints etc) but I'm a little leary about changing the 3 rear plugs on my 2006 santa fe 2.7 V6. It looks like the intake plenum (if thats what it's called) has to come off. Not sure exactly how to go about it & what actually has to get disconnected. Also does the gasket have to be replaced when it comes off? Could sure use some assistence. Thank's. Lou.

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  • woodwizar16 Feb 06, 2009

    Your response is loosen the bolts? No kidding...
    What about everything else connected to it. Exactly what else has to come off. Hoses, wiring, cables etc. And which bolts have to come out & what do I torque them to when they go back in. Would appreciatl detailed instruction that I can print out.

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You can try a temporary fix by applying an epoxy to cover the crack. (I assume that is problem - it is cracked. Common problem for the Protege) However, that is not a good fix, as far as I know. It might be an improvment for awhile, but that's all. Ask a good auto parts store for high temp epoxy.
Another method is to braise with silver or some other type rod. You can look up "how to braise cast iron" on Harris website or something. There are charts saying the type rod to use. To weld it this way takes skill and tools and REMOVING THE OFFENDING PART. Once you have the manifold off the car, you light as well replace it with a new one. Repacement is probably cheaper than the cost of theBTU's required to braise it properly.
basically you just unbolt from the head and then disconnect from the rest of the exhaust. Do not forget to disconnect the Oxygen sensor first. HTH.
You need to remove the bolts from the end that goes into the engine itself and also the end that connects to the downpipe.
A spark plug is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark. Spark plugs have an insulated center electrode which is connected by a heavily insulated wire to an ignition coil or magneto circuit on the outside, forming, with a grounded terminal on the base of the plug, a spark gap inside the cylinder.

Posted on Feb 06, 2009

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You'll need to remove the intake plenum to get to the rear spark plugs. Because of the difficulty in doing the job, I'd recommend replacing the plug wires with a factory set at the same time. Good quality name brand platinum plugs (such as Denso or NGK) should work well in this vehicle.

It'd be my recommendation when removing the plenum that you detach the wiring connectors, the pcv hose, and the fuel regulator hose, but leave the coolant hoses on the throttle body. There are three 12mm bolts holding the back of the plenum to braces. Once you've got them off and the main attaching bolts/nuts off, you can simply stand the plenum up rather than taking it entirely off the vehicle. This helps avoid mess and having to bleed the cooling system.

I'm not all that enthralled about the factory manual. It's light on disassembly and reassembly procedures, and the diagnostic information is poor. But the schematics are very good. The factory manuals are probably better than anything else you can find, however. You can view the factory manuals, as well as technical service bulletins and other information at www.hmaservice.com. You'll need to register for a free account, and the site requires Internet Explorer.

Thank you for using FixYa - aFixYa rating is appreciated!!

Posted on Feb 06, 2009

  • blueextc3221
    blueextc3221 Feb 07, 2009

    Thanks for using FixYa. Please select the answer that best resolved your question so the proper Expert may get credit for his time and effort.

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YES

Posted on Feb 06, 2009

  • Chuck Martin
    Chuck Martin Feb 06, 2009

    Yes you will have to loosen the upper intake manifold and raise it up,you don't have to take it all the way off just raise it enought to get clearance. The gaskets should have rubber orings,as long as they are not damaged you don't have to repalce them.

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Welcome to Fixya! This is Called the Exhaust Manifold. Yes it will need to be Loosened to get them Out. There are Bolts around Each Exhaust. Just loosen these Bolt from front to Back. I would replace the Gaskets But, It is your Choice on these. Please Rate My Response! Thanks!

Posted on Jan 30, 2009

  • Travis Humphries
    Travis Humphries Feb 06, 2009

    It's not Brain Surgery, It is a Set of Spark Plugs. All you need to do is Loosen them and you don't need Torqe Specs on the Exhaust Manifold Bolts.

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What you need to replace spark plugs is a long socket wrench to reach down to them and twist them out. Then after that you place the new ones on and twist them in.

Posted on Jan 30, 2009

  • Aron Jan 30, 2009

    Also no, you shouldn't have to replace the gasket.

  • Aron Jan 30, 2009

    Please rate mine too.

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