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Old Jul 13, 2017 | 01:44 AM
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Default Hall Sensor
Any one know what size the 2 allen head cap screws are for the hall sensor. In my 89 S4.

Mine have never been out, and they got buggered up. Will replace with new.

Thanks,
joe
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Old Jul 13, 2017 | 01:47 AM
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http://www.autoatlanta.com/porsche-p...=90006725502#a
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Old Jul 13, 2017 | 02:04 AM
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Thank, a plenty!!!
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Old Jul 13, 2017 | 11:38 AM
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4mm Joe.........are you doing the timing belt as the sensor is easy to access if the belt then cam gear are removed then the back plate.

Otherwise accessing the HS bolts is a royal PITA
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Old Jul 13, 2017 | 11:55 AM
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Originally Posted by the flyin' scotsman
4mm Joe.........are you doing the timing belt as the sensor is easy to access if the belt then cam gear are removed then the back plate.

Otherwise accessing the HS bolts is a royal PITA
Why would the PET say 5mm?
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Old Jul 13, 2017 | 11:55 AM
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Originally Posted by the flyin' scotsman
4mm Joe.........are you doing the timing belt as the sensor is easy to access if the belt then cam gear are removed then the back plate.

Otherwise accessing the HS bolts is a royal PITA
TB/WP don't have more than 11K on them. We found that the connectors were crumbling when we installed the supercharger. Getting ready to leave for Spokane, the alternator took a dump. Cancelled the trip. Alt, replaced, now it's the Hall, and CPS sensor. Car wouldn't start, so I'm replacing known problems.

Who ever decided to use cap screws, should have been castrated!!
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Old Jul 13, 2017 | 11:57 AM
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Originally Posted by Speedtoys
Why would the PET say 5mm?
I can tell ya for a fact that a 5MM allen won't fit. It's a 4MM.
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Old Jul 13, 2017 | 12:11 PM
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Originally Posted by Speedtoys
Why would the PET say 5mm?
5mm thread 12mm long little wee friggers!!!!!!!!
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Two different measurements here... 5mm socket capscrew 12mm long. Needs a 4mm Allen key to fit the head.

Too often we describe fasteners by the size wrench that fits them. Not The Best Way, especially if you are using the info to buy replacements, or look for a generic torque spec. 10mm head on a 6mm bolt, torque is in lbs/inch (72). 10mm bolt gets maybe 22 lbs/ft. That would typically stretch and snap a 6mm bolt.

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