How To Diagnose and Replace a Rear Caliper Using an Infrared Thermometer
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How To Diagnose and Replace a Rear Caliper Using an Infrared Thermometer shows how to use an infrared thermometer to find a bad caliper. This method will also work on front calipers as well. Earlier this year ScannerDanner was visiting the shop and after we came back from a drive in my 2004 Honda Element, we smelled overheated brakes. The smell seemed to be coming from the right rear caliper. Upon further investigation, using an infrared thermometer, I found that that caliper had seized up and needed to be replaced. I’ve done brake videos like this in the past but never went through this particular diagnostic procedure to figure out what the issue was. It’s a method you can use for many other mechanical issues as temperature diagnosis is something that is used throughout the service and repair fields. It’s a fast and easy alternative to taking things apart for diagnosis. I hope it’s able to help you should you run into similar issues with your own vehicles.
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Here’s some useful links for you:
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Tools:
Infrared Thermometer:
General Tools IRT207 Infrared Thermometer
Ideal for most applications in HVAC/R, plumbing and heating, electrical, automotive and other industrial jobs. Printed in USA IRT207SS 2.5M 6/11 The IRT207 Heat Seeker is a precision measuring device used for obtaining accurate temperatures without having to contact the object being measured. It works by capturing and measuring the invisible infrared energy naturally emitted by all objects.
Impact Driver:
OTC 4608 3/8″ Impact Driver
Loosens hard-to-turn screws, bolts or nuts, Handle design prevents possibility of hitting hand with hammer when striking impact driver, Bit holder has 3/8″ drive and 5/16″ hex for Phillips and flat screwdriver bits.
Infrared Thermometer:
Dewalt DC823KA 3/8″ 18V Cordless Impact Wrench Kit
Compact size & weight, only 5-3/4″ long and 4.6 lbs. 1,500 in-lbs of torque for maximum performance. Frameless motor with replaceable brushes for extended tool durability and life. 0-2,400 rpm/ 0-2,700 ipm for faster application speed. 3/8″ square drive with hog ring retention.
Silicone Paste:
3M 08946 Silicone Paste 8 Oz
A non-melting, water resistant, 100% solids, silicone compound designed to protect surfaces from oxidation. Also used as a general purpose lubricant for brakes (metal to rubber applications); great for O rings and weatherstripping.
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For other tools and deals check out the Tools page at EricTheCarGuy.com: http://www.ericthecarguy.com/tools
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