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Subject: "What does this bolt on the backside of my engine do?" Previous topic | Next topic
Th3DooMMay-01-14 12:26 AM
Member since Jan 11th 2013
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#138354, "What does this bolt on the backside of my engine do?"
May-01-14 12:33 AM by Th3DooM

          

A week ago I checked a couple of things on the car. When I looked under the engine I noticed a bolt between knock sensor and freeze plug that I hadn't heard of before. Can anyone tell me for what the hole was drilled and then closed? Would it be possible to install an oil pressure sensor there?

420a in Europe

  
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DirtMegirtMay-01-14 08:06 AM
Old School 2GNTer
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#138355, "RE: What does this bolt on the backside of my engine do?"
In response to Reply # 0



          

I believe that bolt is the block drain for the coolant system. When you flush the system, you remove that to totally clear the block. I think i still have my temp sensor for ms fitted in there.

DirtMegirt
Wiki Contributor

  
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Th3DooMMay-02-14 12:55 AM
Member since Jan 11th 2013
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#138356, "RE: What does this bolt on the backside of my engine do?"
In response to Reply # 1

          

Interesting, I always wondered how to properly flush the coolant circuit without opening the block, haha. Thanks for your quick answer.

420a in Europe

  
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ej420aJun-04-14 05:32 PM
Member since Feb 03rd 2008
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#138419, "RE: What does this bolt on the backside of my engine do?"
In response to Reply # 2

          

I have wondered this as well for quite some time but was sure I'd find the info somewhere so I never asked. Mystery solved.

  
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