[s-cars] Spark Plugs

[Jerry Scott]

I have found that the secret to tightening them is to click the torque 
wrench several times at the 22 ft-lb setting.  Each time the plug will 
move as the gasket crushes.  When it stops moving it should stay tight.  
If you only click once, it will likely come loose.
Jerry

Robert Myers wrote:

>FYI, Wayne, a 5 mm Allen wrench exposes the plugs and no special tools are 
>required to R&R the plugs once they are exposed.  The simple little lug 
>wrench which came as part of the small toolkit with the car also serves as 
>a plug wrench.  Additionally, the screwdriver handle fits into the lug 
>wrench end to provide better leverage when using the plug wrench.  The 
>proper torque for the plugs is, I hear, 22 ft-lbs.  This is about what 
>feels right to a non-King-Kong guy like me when tightening the plugs by 
>hand.  I've never had one back out on me in 160K miles with my S6.
>
>
>At 06:55 PM 9/12/2005, Wayne Dohnal wrote:
>
>  
>
>>Matt,
>>
>>Just in case you're no familiar with the engine, the plugs are under that
>>long thin cover in the middle of the valve cover.  Look way down, that's
>>them down there.  When I got the car it took me a few weeks of random
>>looking around to find them.  You'll need a fairly thin-walled socket to get
>>into the cavity.  They're not rare or anything like that, just not every
>>socket will work.  Make you you torque them to spec, and (very important!)
>>retorque them at least once after a few hundred miles.  These plugs have a
>>bad habit of coming loose and a few unlucky owners have one blown half way
>>through the hood, causing a lot of collateral damage to the engine.  Mine
>>seem to stay tight after the first retorque.  When I changed them the first
>>time, a couple of the plugs were only finger-tight.  It's not a horrible
>>job, and the new plugs will last for at least a few 10,000s of miles.
>>
>>Wayne Dohnal
>>1994 S4
>>
>>
>>
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>
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