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Nissan Crank bolt: reverse thread?

Motor Vehicle Maintenance & Repair Asked on January 7, 2021

Engine HR12DE
Nissan Micra K13 2011

Hello, I’ve been trying to remove the crank pulley bolt and it won’t come off. I also tried blocking it with a handle bar and cranking the engine, the trick didn’t work.
I’m starting to wonder if it is a reverse thread bolt? How can I know?

Thanks a lot

Pictures: pulley bolt and maintenance manual enter image description here

enter image description here

One Answer

All Japanese cars using a clockwise thread bolt.

Meaning: You need to counterclockwise to loosen it.

  • Use WD40 or lubricant fluid like WD40.
  • Spray it around the bolt.
  • Let it sink or wait 15minutes.
  • And use an impact driver to loosen it up. Or hammering your wrench :D

Using blocking technic and cranking it, it just does more harm than good, you could bend the body or even the chassis or splitting the tools and flew away to your head.

The bolt could be sticky because of dry and rust. WD40 helps.

if it doesn't open, there is one last resort:

  • Burn it :) I mean heating the outer part of the bolt or the bolt itself can makes difference. (PS: you don't need to burn it if the area full of plastic or there is oil in it)

Answered by Cubic273.15 on January 7, 2021

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