I was told NOT to uses a impact gun on the crank pully is this true??

[sclark]

Hello

I was

Topic

[Bad_dude]

I wish I could use the impact gun. I have an electric one but I can’t use as I don’t have a garage. If I use an extension it would extend all the way across and when a car drives by, the cord gets rip off. So I can use impact hands.
Every one has their own preferred methods, but the ones that get the job done easier are the ones we should all use.

[EricTheCarGuy]

I’ve never heard of that or experienced any problems in taking crank bolts off with an impact so I would have to disagree with that statement. I believe I understand the logic behind that claim but as far as I know it’s never caused a problem with any of the crank bolts that I’ve ever removed.

[ytram]

I have actually seen this in service repair manuals on some cars. I have used impacts and never had a problem either.
Chances are you will do more damage to other things tugging on a cheater bar and wedging some thing in flywheel ring to break bolt loose.
I have seen Kilmer crank the engine with a breaker bar in place to break it loose. Now that I would recommend against that!

[Author]

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