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HELP!!! Torque wrench misreading??? 

 

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 Post subject: HELP!!! Torque wrench misreading???
Posted: Tue Jun 19, 2007 4:41 pm 
Getting Side Ways
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I got a $50 torque wrench from autobarn and unsure if I can trust it.

It used to have a rubber/plastic like clear cylinder shaped thing that went into a hole into the sidfe of it.

It has gone missing.

Do I need that plastic thing?

It still clicks but how can I be sure it's accurate?

I dunno if I can trust it though. My exhaust manifold bolts were loose as all hell according to the wrench, I had to give each around 1/2 a turn or a bit more to get it to 30nm.

That could be right though, I think they were last tightened 20 000k's ago or 100 000k's ago (when head gasket blew).
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Posted: Tue Jun 19, 2007 5:00 pm 
Getting Side Ways
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I too bought a $50 torque wrench, I dont trust it much any more (although it seemed to do the trick at the start) cause when i replaced my old cars head gasket, I torqued the intake manifold side, and water started squirting out when I started driving so I had to tighten it over what the wrench said. Also, the other day, I was tightening a spark plug on a camry to the specified torque requierd (roughly tight by hand and then another quarter) but the wrench seemed to continue and I didn't think it was gonna cut out in time before I threaded the plugs. Have you dropped it since you bought it? dont think that plastic thing is important as it doesnt connect to anything. Maybe get it re-callibrated by someone.

 

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Posted: Tue Jun 19, 2007 5:03 pm 
Getting Side Ways
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Ride: 1992 EBII Fairmont

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Hmmm

Yeah the plastic piece connected to nothing.

I'll test it on a spark plug.
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Posted: Tue Jun 19, 2007 7:42 pm 
Getting Side Ways
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The plastic part is just a dust cap that seals the hole used for adjustment. You are supposed to get them calibrated every year, but for $50 to buy a new one, who would?

If it is more than a year old or you have used it to undo a stuck bolt ( I know I have) then I would not trust it. Use your own judgement.

cheers
Scott

 

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Posted: Tue Jun 19, 2007 8:22 pm 
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definately worth spending the extra when it comes to something thats measuring. you can get second hand decent brand ones on ebay and that for around that price as well.

 

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