Help for replacing spark plugs in Silverado??

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  #1  
Old 08-14-10, 08:16 PM
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Help for replacing spark plugs in Silverado??

I have a 2000 Silverado with about 170,000 miles with a 4.8L engine. I don't think the plugs have ever been replaced. I would like to replace them. Am I going to have a problem getting the old ones out since it has gone so long? Also is it easier to remove the old ones when the engine in warm or cold. Of course I would rather do it when it is cold. And last do you have a recommendation for the best type of plug to put back in? The truck in used strickly for city driving, no off road and it hauls average size to small loads.

Thanks a lot for any help that you can give to me. It is appreciated.
 
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Old 08-14-10, 08:21 PM
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Should be no problem removing them cold. Use only "AC DELCO" ignition and tune-up parts on any GM vehicle. Never use "Champion or Spit fire" spark plugs.
 
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Old 08-14-10, 11:48 PM
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What about some of the Bosch plugs that I see advertised? Like the bosch platinum?
 
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Old 08-15-10, 04:06 AM
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(Your question) What about some of the Bosch plugs that I see advertised? Like the bosch platinum?

(Like I said) Use only "AC DELCO" ignition and tune-up parts on any GM vehicle.
 
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Old 08-15-10, 04:28 AM
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I forgot to tell you to put some “Anti Seize Compound” on the threads of the new plugs. This will make future removal easier.
 
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Old 08-15-10, 10:59 AM
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Replace them cold, then your hands/arms will not get burned!

As to spark plug type, look in your owner's manual and/or on the emissions label under the hood. This will say the *correct* spark plug to use.

Use that only or equivalant "specification". People put in different "wiz bang" spark plugs and then have nothing but trouble. Best to install what the manufacturer says to use.
(If it works, don't fix it!)

I don't care about the "name" on the plug, rather the "number" on the plug! (Specification/type/gap/etc.)

Here is a example of a "specification" of a spark plug (not yours)...

Heat range - 5
Gap (mm) - 1.1
Tip (mm) - 3
Thread - M14
Reach (mm) - 19.0
Length - ISO
Hex. socket - 16
Seat - Gasket
Resistor (Ohm) - 5 K
 
  #7  
Old 08-15-10, 02:50 PM
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Just more of the same advice given...make sure you use the AC plugs....go as far as getting them from the dealer.

Yes they are expensive, should be iridium tipped or possibly platinum. Make sure the motor is stone cold, allow it to sit overnight if possible..best defense against a stripped plug hole.

Do not use any of the other plugs.

Make sure you use the AC plugs.

Do not use any of the other plugs.

Should go fine, sometimes it's easier to get to the plugs with a tire removed....not sure on your application.
 
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