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#547269 - 01/07/11 08:30 PM Re: READ FIRST IF YOU NEED TO CHANGE THE SPARK PLUGS ***** [Re: promodmerc]  
londart  Offline
Wheeler
Joined: Feb 2009
Posts: 229
Idaho
As a parts guy, me and the other counter people the auto parts store i work @ usually reccomend using oe manufacturer for plugs(ngk for kia),however thats not required....there are people out there that swear by a particular brand or even refuse to use a certain brand which is why we carry autolite,ac delco,ngk,champion,bosch, and denso plugs....we sell all of these brands all day long without any troubles or complaints...if bosch plugs really crapped out that fast they wouldnt still be in business...i personally tried a set the last tune-up i did....bout 2 years ago and still going strong,even the way i drive with a HEAVY foot...i'm sure they will work just fine for you as well <img src="/forums/images/graemlins/cheers.gif" alt="" />


Lonnie
Auto Parts Professional
95 sportage sold but not forgotten

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#547270 - 01/07/11 10:25 PM Re: READ FIRST IF YOU NEED TO CHANGE THE SPARK PLUGS [Re: londart]  
promodmerc  Offline

Wheeler
Joined: Nov 2010
Posts: 173
Raytown MO
Maybe they work in some vehicles. I know for a fact that BOSCH plugs are not worth the box they come in as far as Ford engines are concerned. I & many others have had bad experiences with BOSCH plugs. I've nevr experinced a problem with NGK in any engine.


#547271 - 01/07/11 11:19 PM Re: READ FIRST IF YOU NEED TO CHANGE THE SPARK PLUGS [Re: promodmerc]  
londart  Offline
Wheeler
Joined: Feb 2009
Posts: 229
Idaho
Lots of guys i know would say that the problem is its a ford not because your using bosch lol....no but seriously to answer the original question, yes that stuff should do your tuneup.....might also add some dielectric grease for the wires
<img src="/forums/images/graemlins/kewl.gif" alt="" />


Lonnie
Auto Parts Professional
95 sportage sold but not forgotten

#547272 - 01/08/11 06:10 AM Re: READ FIRST IF YOU NEED TO CHANGE THE SPARK PLUGS [Re: DennisThompson]  
Sportege_Panicmech  Offline

Mudrunner
Joined: Dec 2009
Posts: 433
Cda, Idaho
Quote
Is the decorative plastic cover over the top of the engine a functional piece of equipment?

Think what he was talking about was the Plastic Cover that sits over the entire engine, including the intake ducting and has a little access hole for to get to the oil filler cap. This is not required. This was not on all Sportages. I believe the reason was for sound deadening. Lifters can be noisy on cold starts and I think it may have been Kia's way of quieting things up. And sometimes manufacturers like to play around with making the engines look simplified or reduce owners tampering with their own engines. See a lot of this on Audi. All plastic covers.. no sign of an engine, lol. I'd just take it off. I'd say it builds heat. On the Buick Regal Forums, they pull the covers cause they hold heat. Bad for the superchargers, aids in knocking


#547273 - 01/08/11 12:52 PM Re: READ FIRST IF YOU NEED TO CHANGE THE SPARK PLUGS [Re: Sportege_Panicmech]  
2002_Sporty  Offline
Mudrunner
Joined: Dec 2008
Posts: 336
Fairbanks Alaska
Dennis,
Thanks for the heads up on the valve cover gasket. Iím not the most mechanically inclined. This will be my first spark plug change of the Sportage kind. I was reading step #10 and got a bit scared about disassembling the engine valve cover. This picture is intimidating for the novice.
[Linked Image]

Londart,
So do I just rub down the wires and boot with Dielectric Grease to reduce wear from elements? Is this under the cover thingy and do I grease down the hoses around throttle body too? I never greased no wires before. But if it protects them wires in this severe environment then Iíll do it!
[Linked Image]

Panicmech,
Useless plastic cover sent to the dump pile.
[Linked Image]


2002 4dr Kia Sportage 4X4
Tires:235/75/15, Wheels: Black 15x8 Steel ProComp 2.5" B.S., Hubs:Warn Manual, Lift:3" UPYOURKIA, Trailer Hitch, Cargo Rack, Clinometer.

#547274 - 01/08/11 04:41 PM Re: READ FIRST IF YOU NEED TO CHANGE THE SPARK PLUGS [Re: 2002_Sporty]  
Dryver  Offline
Wheeler
Joined: Feb 2009
Posts: 146
Stow, OH
The dielectric grease is to prevent moisture from getting into the electrical connections to help prevent corrosion. Put a blob of grease on the end of the spark plugs (NOT the end that goes into the engine), or into the ends of the boots on the plug wires before you plug them on, and onto the mating faces of the electrical connectors that plug into the coil packs. Probably want to spray the connectors with Electronic Cleaner before applying the grease, too.


01 Convertible; Electric Fan; 3" Up Your Kia lift spacers; Tj 104's; 31x10.5x15's on Centerlines; Rear LSD.
GONE, all I have left are a few spare parts and the wheels.

#547275 - 01/08/11 06:45 PM Re: READ FIRST IF YOU NEED TO CHANGE THE SPARK PLUGS [Re: 2002_Sporty]  
DennisThompson  Offline
Body Damage is Cool
Joined: Mar 2002
Posts: 1,396
Utah
Well it looks like you need the valve cover gasket now, all you needed to do was remove the plastic cover in the center of the valve cover, remove the two coils and wires and with a long extension you can get to the spark plugs. When you replace your valve cover just don't overtighten the bolts or you could create leeks.
I have had good luck with the Bosch plugs in my Kia, I tried Denso's once and lost power from my 60,000 miles Bosch. When I rebuilt my engine I tried the E3 diamond fire plugs and so far I realy like them.


Dennis


95 Sportage, gone but not forgotten.
98 Jeep TJ, 4" Zone springs with RC Long arms, Ford 8.8", 4.56 gears & Detroit locker rear, D30, 4.56 & Detroit Trutrack front.

#547276 - 01/10/11 10:14 PM Re: READ FIRST IF YOU NEED TO CHANGE THE SPARK PLUGS [Re: DennisThompson]  
logansportage  Offline
Body Damage is Cool
Joined: Apr 2002
Posts: 1,218
Logan, Utah
Replacing the coils at the same time you replace the wires would be a good idea too. Some wire sets are just the wires and do not include the coils too. As Dennis has stated, you only need the Valve Cover gasket if you remove the valve cover. You donít need to remove the valve cover to get to the plugs. They are under the black rectangular plastic cover top center. The engine cover is just for show and to reduce noise. German cars have this such as Audi and VW. It looks nice and pretty, and helps reduce engine noise to make the car sound quieter at higher RPMs.

The dielectric grease should only be applied to the white ceramic portion of the spark plug. Its purpose is for helping pull heat from the ceramic to provide a better cooling of the plug and to help keep moisture from getting to the electrical connections by creating a barrier between the plug and the plug boot. If you apply it to the silver connection on the top of the plug it will inhibit the spark causing more heat to build up in the plug causing quicker failure. You donít need a lot of this grease. One thing from an auto parts store for say $0.99 is enough to do more than 8 plugs.

The anti-seize should only be applied to the threads of the plug. This is to keep the plug from galling (seizing) in the head. It makes it a lot easier to remove the plug the next time you need to do the service.

Just for your information regarding the Boshe plugs not working in Ford vehicles. The main problem here is domestic engines from the states tend to like to run a colder plug because they pull heat away from the plug. The Boshe plugs are a hotter plug and work better in engines that keep heat around the plugs such as import engine. This is the main reason your big V8 engines don't like running hotter plugs. They will perform better with a colder plug such as Autolite/Motorcraft because heat is getting pulled away from these plugs in these engines. Big V8 race engines are a completely different animal though. They will perform better with a hotter plug because they want to keep heat around the plug for better fuel burn at higher RPMs.

Logansportage <img src="/forums/images/graemlins/patriot.gif" alt="" />


White 1998 4 door KIA Sportage 4x4 w/Eibach 2.5 spring lift and TJ rear coils, 4crawler 1.5 body lift, Monroe Sensa.trac shocks, Bosch 4+ plugs, Eaton LSD, 31x10.5x15 BFG KM tires, 2.5 cat back exhaust w/SpinTech muffler

#547277 - 01/11/11 05:31 AM Re: READ FIRST IF YOU NEED TO CHANGE THE SPARK PLUGS [Re: logansportage]  
Sportege_Panicmech  Offline

Mudrunner
Joined: Dec 2009
Posts: 433
Cda, Idaho
Everet said recently somewhere that the coils rarely ever go bad and being that they are $50-60 some odd dollars a piece? I'd spend that $100-120 elsewhere rather than on preventative maintenance on a part that's low risk to failure.
Read somewhere that if your driving habit is long distance hwy, your best bet is cold plugs to eleviate heat. If you were doing short trips, you wanted to use hot plugs for smoother fire in colder conditions.. My memory is fuzzy on this though. Something that I should consider doing is some new (hot) plugs. I think I went a step colder back when I used to drive long distance. I just drive mostly in town now. Could explain my rough idle..


#547278 - 01/11/11 10:21 PM Re: READ FIRST IF YOU NEED TO CHANGE THE SPARK PLUGS [Re: Sportege_Panicmech]  
logansportage  Offline
Body Damage is Cool
Joined: Apr 2002
Posts: 1,218
Logan, Utah
Well, I've already gone through 3 coils and probably will end up replacing 1 to 2 more after the weather warms up enough to do some under hood maintaince. I replaced 2 coils on the original plugs because the resister blew on one and the other one cracked right down on the end where it connects to the plug. After switching to the Bosche plugs I've had to replace another coil that cracked just like before. I'm thinking this next go around I'll have the same problem. Over time and when exposed to heating and cooling plastics become brittle and break easily. When the coils crack they develop more resistance causing more heat buildup and accelerated degradation of performance. You feel it as slow throttle response, or random missing firing on the cylinder when you try to accelerate too quickly before allowing the engine to warm up. Thanks to the misses for jumping in and taking right off.

Logansportage <img src="/forums/images/graemlins/patriot.gif" alt="" />


White 1998 4 door KIA Sportage 4x4 w/Eibach 2.5 spring lift and TJ rear coils, 4crawler 1.5 body lift, Monroe Sensa.trac shocks, Bosch 4+ plugs, Eaton LSD, 31x10.5x15 BFG KM tires, 2.5 cat back exhaust w/SpinTech muffler

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