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Best Impact Gun for removing rusted bolts #4437657
06/21/17 12:52 PM
06/21/17 12:52 PM
Joined: Dec 2014
Posts: 1,532
NY, USA, etc.
oilpsi2high Offline OP
oilpsi2high  Offline OP
Joined: Dec 2014
Posts: 1,532
NY, USA, etc.
After struggling for four hours yesterday removing rusted bolts on my car using hand tools, I've decided that it's time to make a tool upgrade.

I have a 5 gallon Craftsman air compressor for an air source. I've also seen battery-powered impact guns, but don't know too much about them.

I need something that can remove a rusted bolt on a car driven through 10+ northeast winters. I guess the higher the torque rating, the better? Keep in mind I snapped an adapter as well as a socket yesterday just removing the wheel lugs.

School me! I'm not looking to spend a fortune here, but I saved a few hundred bucks doing the labor myself, so let's use that as a budget.

Thanks!

Last edited by oilpsi2high; 06/21/17 12:53 PM.
Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437663
06/21/17 12:57 PM
06/21/17 12:57 PM
Joined: Jun 2003
Posts: 17,818
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 17,818
Deplorable in apple valley, ca
The harbor Freight Earthquake impact is a great gun for the price. I use one daily. But you need a bigger air tank.


02 Wrangler carlube 5w30
87 F250 traveler 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437666
06/21/17 01:00 PM
06/21/17 01:00 PM
Joined: Oct 2014
Posts: 12,582
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,582
Idaho
I would make sure the compressor is NOT too low of a cfm to work the air tool.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437667
06/21/17 01:01 PM
06/21/17 01:01 PM
Joined: Dec 2014
Posts: 1,532
NY, USA, etc.
oilpsi2high Offline OP
oilpsi2high  Offline OP
Joined: Dec 2014
Posts: 1,532
NY, USA, etc.
Is there an electric one that would work that runs on a standard outlet?

Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437679
06/21/17 01:27 PM
06/21/17 01:27 PM
Joined: Apr 2008
Posts: 12,988
Onondaga County
Miller88 Offline
Miller88  Offline
Joined: Apr 2008
Posts: 12,988
Onondaga County
I know a few people who have the 1/2'' drive harbor freight electric impacts. They seem to work good for what they are (low rated capacity).


18 Forester 2.5I 6M
00 Jeep Cherokee
01 Ford F-350 XL 4x4 5M
Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437681
06/21/17 01:30 PM
06/21/17 01:30 PM
Joined: Jul 2011
Posts: 1,224
Houston, TX
Coprolite Offline
Coprolite  Offline
Joined: Jul 2011
Posts: 1,224
Houston, TX
PB Blaster is a good start. I didn't see that mentioned in the OP.

Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437686
06/21/17 01:36 PM
06/21/17 01:36 PM
Joined: Apr 2010
Posts: 4,559
Storrs, Connecticut
jeepman3071 Offline
jeepman3071  Offline
Joined: Apr 2010
Posts: 4,559
Storrs, Connecticut
I have a DeWalt 1/2" electric (corded) impact gun I use for 99% of rusty stuck bolts. Bought it rebuilt off ebay for under $80 I believe. I have a Craftsman air powered impact for the big stuff, but that has only happened a few times. The electric works awesome and eliminates the whole compressor need.


2000 Jeep Cherokee 4.0L (181k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (36k) - Castrol Edge Euro 0w40, MANN HU816X
Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437689
06/21/17 01:42 PM
06/21/17 01:42 PM
Joined: Dec 2016
Posts: 279
Sav ga
NStuart Offline
NStuart  Offline
Joined: Dec 2016
Posts: 279
Sav ga
Hf earthquake stood up to semi truck repair ,it died under a 100ton press that leaked down lol....
Milwaukee m18 fuel 1/2 in drive battery impact is one bad boy , buying that is cheaper than buying a new compressor and their batteries work in a variety of tools

Last edited by NStuart; 06/21/17 01:42 PM.

Detroit14l 1m75k mi bp schaffer9k 30k oil
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85 cj7 4.2 performance build. Schaeffer 9000
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Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437692
06/21/17 01:46 PM
06/21/17 01:46 PM
Joined: Sep 2007
Posts: 1,023
TX, USA
JMJNet Offline
JMJNet  Offline
Joined: Sep 2007
Posts: 1,023
TX, USA
FWIW, the 5 gallons compressor is too small.

Check Youtube on how you can expand the compressor capacity with additional air tank.

Or you can buy a 20 gallons compressor from HF.

There are also a lot of used IR Impact Wrench on Ebay, once in a while, you will find an unknown IR model that nobody's bidding.


  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437701
06/21/17 01:59 PM
06/21/17 01:59 PM
Joined: Jul 2011
Posts: 92
Woodbridge, NJ
Dadillac Offline
Dadillac  Offline
Joined: Jul 2011
Posts: 92
Woodbridge, NJ
I have a Harbor Freight Earthquake impact that I bought about 13 years ago. Has been a great impact. Just recently replaced it with this one
http://www.homedepot.com/p/Husky-1-2-in-800-ft-lbs-Impact-Wrench-H4480/203458750
Gotta say that the Husky one is just a bit better than the Earthquake. Cannot comment on the new generation Earthquakes though. The one I have is a different design. Butg I highly recommend both

Don

Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437702
06/21/17 01:59 PM
06/21/17 01:59 PM
Joined: Sep 2008
Posts: 9,235
Ontario, Canada
IndyIan Offline
IndyIan  Offline
Joined: Sep 2008
Posts: 9,235
Ontario, Canada
Originally Posted By: oilpsi2high
Is there an electric one that would work that runs on a standard outlet?

There are, I have one from Canadian tire, 7 or 8 amps and 280-300ft-lbs. Any lug I've tried isn't making it work at all, and it took off some big pinch bolts off the struts on my old Neon with a couple of second of back and forth.
Electrics are big and heavy so not ideal for under the hood stuff, but for lugs and the odd job, they do work.
I haven't had the desire to get anything better anyways.


07 Focus ZXW, 5spd manual, 218km M1 5W30
18 Outback 2.5 CVT 15km 0W20
Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437727
06/21/17 02:25 PM
06/21/17 02:25 PM
Joined: Jun 2010
Posts: 591
Florida
Dumc87 Offline
Dumc87  Offline
Joined: Jun 2010
Posts: 591
Florida
My Milwaukee 18v FUEL series impact has been amazing.

Rips through crank bolts, CV axle bolts and whatever else I've thrown at it; sometimes without a fully charged battery!


'90 Z32 - PP HM 10w30
'98 ZJ - PYB HM 10w40
'02 G20 - QS UD 5w30
'09 Matrix - QS UD 0w20
Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437740
06/21/17 02:35 PM
06/21/17 02:35 PM
Joined: Mar 2013
Posts: 5,037
The Midwest
skyactiv Offline
skyactiv  Offline
Joined: Mar 2013
Posts: 5,037
The Midwest
I have an old Japanese made Ingersoll Rand 1/2" impact at home. It's not the most powerful impact. I cranked up the PSI higher on my air compressor
doing a timing belt job. The crank bolt wouldn't budge at the factory setting of 125 PSI, it did at 140.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Wanted: 2019 Ford Ranger
Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437745
06/21/17 02:38 PM
06/21/17 02:38 PM
Joined: Sep 2016
Posts: 1,418
Minnesota
bioburner Offline
bioburner  Offline
Joined: Sep 2016
Posts: 1,418
Minnesota
A good start to getting loose rusted bolts as someone stated is to start with some penetrating oils. PB blaster or home brew of ATF with acetone and some heat(heat first or the resulting fire will remove the whole project:)) goes along way



97 Ford E350 D,99 F350 dually D
13 Scion Xb
12 Ford Transit Connect
06 Nissan Xterra
03 K1200 BMW
07 Kawasaki KLR650
13 Madass
Re: Best Impact Gun for removing rusted bolts [Re: oilpsi2high] #4437746
06/21/17 02:39 PM
06/21/17 02:39 PM
Joined: May 2005
Posts: 10,555
ROCHESTER, NY
Char Baby Offline
Char Baby  Offline
Joined: May 2005
Posts: 10,555
ROCHESTER, NY
You need some )))HEAT(((...RED HOT!


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX
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