[s-cars] Replacing Spark Plugs after Compression Test

[Aaron]

Ive always done the same thing.  By feel and never stripped anything or 
had them come loose.  Once I used a torque wrench and at 22 ft lbs it 
seemed scary tight.
Aaron T

Vincent Frégeac wrote:

>My plugs have been in and out many times. No loose plugs. I've never
>used my torque-wrench either. I just torque them by feeling, as I've
>done on all previous cars. So, I'm wondering: If people who use the
>22lb.ft spec have loose plugs issues, could it means 22 lb.ft is a bit
>low. I think this weekend I will check what my feeling reads on my
>torque wrench to see how it compares to the 22lb.ft spec.
>
>
>
>Vincent.
>
>-----Message d'origine-----
>De : s-car-list-bounces at audifans.com
>[mailto:s-car-list-bounces at audifans.com] De la part de Dave Forgie
>Envoyé : 3 févr. 2004 16:25
>À : s-car-list at audifans.com
>Objet : [s-cars] Replacing Spark Plugs after Compression Test
>
>Richard (and others):  The washer on the F5PDOR plug is a crush washer.
>AFAIK, once it is compressed, i.e. after you put the plugs in an torque
>them to 22 lb ft, it can't be expected to its job if you remove the plug
>and then put it back in.  I personally contend that some of the problems
>with plugs being blown out of their holes is because people back their
>plugs out to retorque them.  I suggest that retorquing should be a
>tighten only exercise and that if the plugs come out for any reason, new
>plugs (with new crush washers) should replace them.  And no, the crush
>washers are typically not available separately.
>
>In my humble opinion,
>
>Dave F.
>
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