06 HHR spark Plugs

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10-03-2017, 05:11 PM

#11

RJ_RS_SS_350

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Quote:

Originally Posted by donbrew

Because Anti-seize encourages over tightening. The plugs are steel, the head is aluminum alloy. If you King Kong the plugs in you can easily pull the threads out of the head.

Yep, like oldblue said, 15 lbs ft. Which is not very tight!

10-03-2017, 05:53 PM

#12

Conax

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Join Date: 06-13-2017

Location: Fairborn, OH

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Really? I'm buying stock in heli-coil right away!
These cars are unique. Nothing you ever did to a car is the right way on these things.
I have a bit of oil on mine, seems to run perfect.

10-03-2017, 08:37 PM

#13

donbrew

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Join Date: 01-23-2009

Location: Fredericksburg, Virginia

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Quote:

Originally Posted by Conax

Really? I'm buying stock in heli-coil right away!
These cars are unique. Nothing you ever did to a car is the right way on these things.
I have a bit of oil on mine, seems to run perfect.

Have you read the correct brake bleeding sequence? X, not RLRL.

Last edited by RJ_RS_SS_350; 10-03-2017 at 09:10 PM.

10-03-2017, 09:51 PM

#14

firemangeorge

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Join Date: 12-06-2009

Location: Alabama

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Quote:

Originally Posted by SteveMaine

What is the best plugs to put in my 06 HHR larger engine. Thanks

Well. The answer seems to be the same as when you ask this question 4 years ago.
https://www.chevyhhr.net/forums/main...k-plugs-48562/

10-03-2017, 10:10 PM

#15

RJ_RS_SS_350

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Good catch FMG! Steve, these plugs are good for around 100,000 miles. If you put these in 4 years ago, you shouldn't need new ones yet. Are they misfiring?

05-06-2018, 05:54 PM

#16

RJ_RS_SS_350

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threads merged

05-06-2018, 10:28 PM

#17

sleeper

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Location: SE USA

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New spark plugs come coated, so nothing else is needed.

And I always check the gap, no telling if they have been banged around in their lil boxes prior to getting bought & installed. But that's me.

02-16-2020, 07:54 PM

#18

WendySaree

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Join Date: 02-12-2020

Location: GA

Posts: 16

Spark plug gap

Can I use .044 gap plugs in my 2010 hhr lt 2.2? The owners manual says it should be .040 and ever since I put new ones in it I have a surge or stuttering around 50 mph idk what to call it.

02-16-2020, 08:39 PM

#19

RJ_RS_SS_350

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Quote:

Originally Posted by WendySaree

Can I use .044 gap plugs in my 2010 hhr lt 2.2? The owners manual says it should be .040 and ever since I put new ones in it I have a surge or stuttering around 50 mph idk what to call it.

Did you install the recommended ACDelco 41-103?

02-16-2020, 08:46 PM

#20

whopper

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Join Date: 04-09-2006

Location: Vancouver, BC, Canada

Posts: 7,032

x2 what RJ says- ACDelco 41-103 are the correct plugs (accept no other brand).

they come pregapped so just them as they come out of the box.

BTW: there is no such thing as ".044 gap plugs", if you mean can you regap the ACDelco 41-103 to .044" - no. If you mean you have a different brand of plug and they are already gapped at .044" then you have the wrong plugs.

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