Questions tagged [aluminum]

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Why did this Bobcat hydraulic pump housing crack?

I pulled a hydraulic pump off a Bobcat 863 skid steer loader today. I knew there was a crack in the outside (because it was gushing out oil), and I’m not terribly surprised that the crack goes through ...
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Degreasing an Aluminium engine with drain unclogger

I am rebuilding an engine (which is mainly made of aluminium) And I need to degrease all the parts. I don't have any proper degreaser available but even if I had some, I doubt it would do anything. I ...
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2 votes
1 answer
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Aluminum Anti-Seize - Suctioned Bottle

The aluminum anti-seize (Permatex) that I have had for several years has suctioned the bottle (Sides bending in a lot). I haven't used it for over a year so I don't know when or how fast this happened....
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1 vote
1 answer
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Aluminum parts on motorcycle oxidized after washing

I washed my used motorcycle the first time since I've bought it this summer, and soon after noticed that oxidation appeared on some aluminum parts. It's definitely wasn't there before and surely this ...
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5 votes
8 answers
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Helicoil installed from other side?

I have an aluminium clamp on a bike where the thread has stripped. The steel bolt is okay, but the clamp has very little movement - I can't get a helicoil or drill through one side of the clamp ...
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1 vote
2 answers
3k views

Cast iron vs aluminium engine blocks

From what I can tell by reading, aluminium engine blocks are more thermally efficient than cast iron blocks - but it also seems that aluminium is more thermally conductive than iron. That seems ...
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2 votes
1 answer
1k views

Thickness of aluminium on Alcoa type forged aluminium wheels.

Is there a good estimate of the thickness of the aluminium on Alcoa forged aluminium semi wheels 22.5 type. Figures need not be precise, or just a range, for estimates, is 1/2 an inch a good estimate ...
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5 votes
2 answers
12k views

Do any new cars come with cast iron engine blocks?

I am thinking that all manufacturers have switched to aluminum as the material of choice for engine blocks. I could not find any sources to confirm this. Do any new cars come with steel engine ...
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4 votes
1 answer
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How do I treat aluminium oxidation on body panels?

Like most of us I have dealt with steel rust on many occasions, but how should I deal with aluminium corrosion bubbles under the paint? I have just bought my first aluminium car, which are becoming a ...
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4 votes
4 answers
3k views

Can I use modern brake cleaner on exterior engine parts?

I want to clean the cylinder fins of my BMW R80GS 1991 with brake cleaner and a brush. If I am careful to not get it on any rubber parts or gaskets is it generally safe to use on the aluminum parts? ...
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