Spark Plugs 04 RL - Saturn ION RedLine Forums
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post #1 of 16 (permalink) Old 08-30-2016, 05:50 PM Thread Starter
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Thumbs up Spark Plugs 04 RL

Hey guys, just created an account on here. Have a 04 RL basically stock. Pretty sure the previous owner has changed nothing in this car considering I just pulled the air filter and it was black and rusted. Car has 127k. Think its time for some new spark plugs. I bought platinum NGK's. Just wondering how hard it is to replace the spark plugs and if they need to be replaced in a certain order or anything like that. Any info helps. Thanks.
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post #2 of 16 (permalink) Old 08-30-2016, 08:22 PM
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Congrats on buying your 04. There is a lot of great info on practically anything you could want to know on these forums by using the search function.

Spark Plug references.

2006 Ion Red Line- 270whp/242wtq
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post #3 of 16 (permalink) Old 08-30-2016, 10:46 PM
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I just use the 4644 NGK coppers and change them once a year. Not hard or expensive at all.

Takes me about 10 minutes, 15 if I drink a beer while I do it.

Step 1: Remove coil cover ( T30 )
Step 2: Remove coils ( 10mm )
Step 3: Remove plugs ( spark plug socket and extension )
Step 4: Gap new plugs, apply a dab of antiseize to the threads
Step 5: Drink adult beverage of choice
Step 6: Reverse Steps 1-4

Last edited by Rebel Redline; 08-30-2016 at 10:53 PM.
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post #4 of 16 (permalink) Old 08-31-2016, 09:00 AM
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Quote:
Originally Posted by Rebel Redline View Post
I just use the 4644 NGK coppers and change them once a year. Not hard or expensive at all.

Takes me about 10 minutes, 15 if I drink a beer while I do it.

Step 1: Remove coil cover ( T30 )
Step 2: Remove coils ( 10mm )
Step 3: Remove plugs ( spark plug socket and extension )
Step 4: Gap new plugs, apply a dab of antiseize to the threads
Step 5: Drink adult beverage of choice
Step 6: Reverse Steps 1-4

I like your work habits -

on a side question:


How often should the plugs be replaced ?

What are the reasons for changing the spark plugs every year ?


I was under the impression that the plugs lasted for a while longer that that


but I guess that optimal conditions requires frequent maintenance


(Sorry for intervening on the thread starters question)

************************************
_______2004 Saturn Ion Redline
________GM Stage II ..No hesitation
************************************

Last edited by 1Redline; 08-31-2016 at 05:33 PM.
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post #5 of 16 (permalink) Old 08-31-2016, 09:45 AM Thread Starter
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I believe my plugs are pre-gapped at .4 is that correct gapping? I'm all stock.
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post #6 of 16 (permalink) Old 08-31-2016, 11:18 AM
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Replace once a year because copper plugs are good for ~15,000 miles. Plus, for $10, it gives me an excuse to work on the car.

I probably drive my Redline less than 3,000 miles a year, but I still replace my plugs every January.

To the OP, *always* check the gap on a plug before install. You'll need an actual gap gauge ( the wire kind or a feeler gauge, NOT the cheap "disc" kind )

I find that my car ( 2.8, ported head, etc... ) seems to like a 0.033 gap. Your mileage may vary.

Last edited by Rebel Redline; 08-31-2016 at 05:37 PM.
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post #7 of 16 (permalink) Old 08-31-2016, 11:21 AM
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Oh yeah, forgot to add, if the previous owner neglected this car, check to make sure the intercooler pump is working and wired correctly.
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post #8 of 16 (permalink) Old 08-31-2016, 01:27 PM
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My IRL is running like it never has before

in a positive way

so I think I may wait a little longer til I get new plugs
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post #9 of 16 (permalink) Old 08-31-2016, 04:51 PM
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I think you mean .040. If your spark plugs were gapped at 0.40 they wouldn't work.
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post #10 of 16 (permalink) Old 09-01-2016, 11:35 AM
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Quote:
Originally Posted by tristan1784 View Post
I believe my plugs are pre-gapped at .4 is that correct gapping? I'm all stock.
0.040 is prolly fine for stock. Like stated above copper are better and cheaper replace them often your car will thank you.

Like stated check your ic pump as a must.
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