Tools used to repair motor vehicles. Avoid shopping questions.

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9
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3answers
113 views

In Cylinder Pressure Testing With a Pressure Transducer and a Oscilliscope

Recently I've been looking into buying a higher PSI pressure transducer to do in cylinder pressure testing. I've encountered vehicles which would of benefited from this approach and wish I had thought ...
8
votes
3answers
216 views

Is it safe to place wood between a car and a jack stand?

I have a 2013 2LS Camaro and I am looking to change the rear differential fluid and need to jack up the rear end of my vehicle. Based on videos and enthusiast forums, people achieve this by putting a ...
6
votes
1answer
71 views

Is it acceptable to use a 3/4 inch socket to loosen what are presumably 19mm lug nuts?

I've have a spare six-point 3/4" flank drive socket I'd like to keep in the trunk with a breaker bar. (From recent experience, the little collapsing wrench that comes with the seventh-gen Chevy Malibu ...
7
votes
1answer
52 views

What kind of amperage and sticks needed to weld a nut to a stripped cap/bolt?

I was trying to get a cam gear cap/bolt thing off a 2000 Volvo S80 2.9l and stripped the torx pattern out of a bolt. I'd guess it's around 1-1/2" in diameter, and this is what it looks like: I have ...
6
votes
3answers
376 views

Uses of small sized 1/2" drive sockets

I'm currently a first year apprentice and building my tool kit as I go. I see often larger socket sets include 1/2" drive sockets ranging from 8 or 10mm. Is there a reason that 1/2" drive sockets of ...
8
votes
3answers
525 views

Does using a ratchet size adaptor on a click-type ratchet wrench reduce the applied torque?

Long story short, I have to purchase a torque wrench which I will use to torque things like brake calipers, wheels and the like. To make things interesting, I will have to buy it a different size ...
14
votes
6answers
598 views

How to keep wheel ramps from sliding?

I have a very smooth garage floor. When I try to use my wheel ramps for the quick and easy way to raise a vehicle, they will often slide, sometimes just one, but other times both. They will sometimes ...
5
votes
1answer
64 views

How can you assure a torque wrench is working properly?

Torquing to a manufacturer's spec is important when working on an engine but I've wondered how do you properly determine if an adjustable torque wrench has been zeroed out over it's life and is still ...
4
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1answer
100 views

What is the maximum torque a 1/2 drive can withstand?

I just broke two 3/8 in. extensions trying to crack an underdrive pulley loose (specs say the pulley is at 130 ft/lbs, but feels much higher than that). This begs the question: are there standard ...
8
votes
1answer
118 views

Why does my air compressor fail to start when the tank is partially full?

I have a Harbor Freight (I know, I know) air compressor. It's the 21 gallon, 2 1/2 HP model. The problem is that when the tank is empty it starts fine, and pressurizes the tank to where it should be. ...
8
votes
1answer
65 views

Testing specific wires in harness cable

I want to do some electrical mods like adding a push/pull switch to my truck' tailgate to wire into my door ajar light to let me know if it is open along with splicing an electrical tailgate lock into ...
9
votes
4answers
84 views

Rusted gas tanks, how do you repair them?

If I have an extremely old vehicle that has limited parts availability for replacement, how would I fix a rusted gas tank in order to put it back in service in a vehicle? I've run into this issue a ...
5
votes
1answer
82 views

What is a smoke test and what kind of tools do I need to do it?

I've seen 'the smoke test' referenced several times in answers to OP's. I would like to ask; What is a smoke test? What kind of tool(s) do I need to do a smoke test? What is the proper procedure to ...
7
votes
3answers
527 views

What is a tap and die set and how do I use them?

I have two questions. What is a tap and die set? and How do I use a tap and a die?
5
votes
1answer
48 views

Why would I want to magnetize a screwdriver?

Why would I want to magnetize my screwdriver? and How would I magnetize my screwdriver?
14
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2answers
410 views

What is a leak down tester and what can I do with it?

Background There are quite a few head gasket related questions on the site. Coolant or water in the oil, oil in the coolant or water in a radiator, etc. I'm thinking that some instruction on howto ...
5
votes
1answer
48 views

Lubricating Spring Compresor Threads

I'm getting ready to replace the struts on one of my vehicles using a set of ampro T70570 coil spring compressors: I had vaguely remembered reading somewhere that it's a good idea to oil the ...
11
votes
3answers
167 views

Multimeter - Basic Functionality and Howto

Multimeters I'm looking for some responses regarding multimeter basics for the site tag-wiki to point OP's at when we want them to use one. The question is; What are the basic functions of a ...
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6answers
3k views

What is the most efficient method of getting your car unstuck from snow?

If your car is stuck in snow and you don't have any chains, what can be done to get it out? This can be an unnerving problem to have and it happens pretty easily with normal driving on ice. You wind ...
14
votes
5answers
377 views

How do I remove a broken drill bit from metal?

I was building a mount for my custom bobber. My 1/4" carbide drill bit broke off into 3/4" plate of steel. How do I remove it?
9
votes
3answers
273 views

What is the right tool to expand a large spring-type hose clamp?

My Touareg has the intake piping secured with a bunch of spring-type hose clamps. I currently use a miniature C-clamp to expand them, but it is painfully slow, prone to slipping and access can be a ...
5
votes
1answer
72 views

How to choose the best jack stands and wheel chocks for a vehicle?

Some people say that when choosing jack stands/wheel chocks, we should always leave plenty of room above the vehicle weight. For example, if the car is 1.5 tons, we should choose jack stands with a ...
8
votes
1answer
643 views

How to use an engine stand

This is one thing which I have asked many times on a car forum and never received a satisfactory response for. I know that the engine block is somehow bolted onto an engine stand like the one ...
11
votes
1answer
116 views

How does one use a chain press to remove a motorcycle chain?

I recently found out about this tool from this answer. I'm interested in understanding the steps involved in using this tool to remove/install motorcycle chains. Also, would it be possible to use ...
8
votes
1answer
276 views

What can I do with an Inline Spark Tester?

Due to my recent problem with weakly firing plugs, I'm looking at inline spark testers. I've seen three basic types: The simple flashing one which goes in between the wire and plug with the plug in ...
3
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1answer
28 views

Snap on flashlight lockout mode

I'm looking into a snap-on light, and it features a "lockout mode". Does anyone know what it is?
6
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1answer
224 views

What are these two rubber-ended attachments used for in a compression tester kit?

I'm looking to buy a compression tester kit and am a little puzzled by the purpose of the two rubber-ended attachments shown below. Am I right in assuming that these two attachments can be jammed ...
1
vote
1answer
39 views

Locating Special Tools for Auto Free Hub Removal

I am attempting to replace rotors on a 1988 Dodge Ram 50 (2.6L, 4WD). To remove the rotors, I need to use a special socket (visible around the auto free hub ) and the special locknut socket. Are there ...
4
votes
2answers
217 views

Any open-source OBD scanner analysis tools?

I've been having some weird problems with my '06 Pontiac G6, and finally broke down and bought a Bosch code scanner to see if the DTCs could tell me anything... they didn't. This scanner has the ...
4
votes
1answer
659 views

How hot does an exhaust manifold get?

If I want to use a non-contact infrared thermometer to read the temperature of each cylinder at the exhaust port during idle, how high of a reading should the thermometer be able to handle?
5
votes
2answers
2k views

Impact vs. Regular Sockets

What is the difference between impact vs regular ratchet/breaker bar sockets? They look similarly shaped and their corresponding tool drives seem to be of the same dimensions. Are the impact ...
2
votes
2answers
740 views

Air Impact Wrench vs Air Ratchet Wrench

What is the difference between an air IMPACT wrench and an air RATCHET wrench? They appear to be of the same sort. Is there a difference in the drive shape in that the impact has a different drive to ...
1
vote
1answer
137 views

Oil resistant marker for timing chain positioning

This is a bit unusual of a question but does anyone know of really durable markers (as in Sharpie) that leave durable markings that resist erasure due to exposure to oil and other retarding agents? I ...
3
votes
1answer
75 views

Better instructions how to use a micrometer

I am confused by these instructions on how to use a micrometer. Does anyone know of better ones? I need to measure the thickness of my valve lifters (and then do a feeler gauge test but that is not ...
6
votes
2answers
181 views

What is this pump-type nut fastener called and where is it useful?

At 1:42 in this S62 production video the engine assembler uses a pump-style tool to fasten the plenum cover nuts. What is this tool called? How does it work? Can it be used to loosen and fasten nuts, ...
5
votes
4answers
4k views

Torque wrench vs regular ratchet

What is the difference between a torque wrench and a regular ratchet that you'd normally use with sockets? When should you use one vs. the other in automotive applications?
3
votes
1answer
128 views

What tools are needed to DIY wheel alignment?

As per this article, DIY-ing wheel alignment requires a camber gauge and either a toe bar or toe plates. Is that a complete list of tools required? Is it better to use a toe bar than toe plates?
3
votes
1answer
20 views

How does cylinder leakage tester kit work?

I was browsing Amazon in search for a combustion leak detector (AKA "block tester") and I stumbled upon a cylinder leakage tester kit, which is supposed to do similar things? But I am not quite sure ...
5
votes
3answers
4k views

Is there a trick to easily removing stuck rubber hoses off fittings?

Is there a trick to easily removing stuck rubber hoses off fittings? I saw there is a tool like this but I'm afraid of tearing the hose with its point. Is there a better way?
5
votes
1answer
538 views

Old Air Compressor Rebuild (and general piston engines) - Oil On Cylinder Walls?

So I have recently acquired (for free) a circa 1973 Speedaire 20 gallon compressor with no history. After a short while of use the check valve failed and when I removed it I noticed it and the air ...
5
votes
3answers
2k views

Can 1/2 drive impact wrenches be adapted to use 3/8 sockets?

I need to add a cordless impact wrench to my toolset do some exhaust work (loosen some really tight bolts, basically). I also plant to use it for CV joint-related work. They seem to be kind of ...
3
votes
1answer
142 views

How to properly tighten a wheel on a bench grinder?

I just bought a 8" bench grinder from Harbor Freight to clean up some automotive parts with a wire wheel. On the left side of the grinder has a left hand threaded nut on it, while the other side has a ...
5
votes
5answers
2k views

Broken Socket Wrench: My Fault or Poor Quality

I was trying to remove the oil pan plug nut and found that it was on extremely tightly. I was using a fairly inexpensive socket wrench ( for only the second time ) and couldn't get it to budge. So I ...
6
votes
5answers
6k views

Viability of using an electric impact driver instead of an air impact wrench

I'm an amateur mechanic, and i'm wondering if i could use an electric impact driver in place of an air driven impact wrench. I don't have a lot of space to use and store an air compressor, so a ...
3
votes
1answer
94 views

What kind of tools could I use for some aluminum body finishing work without doing any cutting?

I got into a really bad wreck last winter. My power steering was leaking and had locked up in the middle of an icy road, while I was trying to find a median at night. The guy hit me going around 70 ...
2
votes
1answer
41 views

What uncommon tools are needed for a GMC Savanna 2500 engine replacement?

I have done simple repairs, such as the water pump, alternator, etc on vehicles. Having gone beyond simple maintenance (oil, brakes, spark plugs, etc) I have a collection of very common mechanics ...
3
votes
1answer
108 views

Can you make a tapped hole deeper?

I tapped a hole in my motor (to hold the valve cover) but I don't think the pre-existing hole was deep enough. Can you make a tapped hole deeper? As the drill bit for the pilot hole should fit right ...
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2answers
3k views

Mazda Lantis 323 1997: OBDI or OBDII?

I'm still trying to figure out if my 1997 Mazda Lantis 323 GLX 1.8L DHOC Manual is OBD 1 or 2. It's supposedly similar to the Protege of the same year and it says on autozone: In order to ...
5
votes
1answer
118 views

How do I aim the headlights of a '95 Geo Prizm?

Two years ago, my grandfather gave us his old '95 Prizm when he bought a new car. A few weeks ago, I decided that the old headlight bulbs were too dim and I replaced them with new ones. The light ...
0
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2answers
46 views

Software Scanners vs. Handheld Scanners

Are there any software based scanners which are comparable to a high quality hand held scanner?