Tech Tip: 10 of Your Top Brake Pulsation Questions
If a vehicle equipped with floating or sliding calipers has a slider problem which prevents the caliper housing from moving, runout can cause pulsation. The caliper piston will move in and out as the rotor rotates resulting in fluid movement and pedal pulsation. Likewise, fixed caliper vehicles are sensitive to runout induced pedal pulsations. Fixed calipers have pistons on both sides of ….
Tech Feature: Nondirectional Rotor Finishes
You’ve probably heard that nondirectional rotor finishes can lessen the risk of new brake pads squealing. They can, but do you really need to apply a nondirectional finish to freshly turned rotors? And what about new rotors? Should you give them a nondirectional finish if they don’t have one? Like many issues concerning brake rotors, different people have different opinions ….
Saturn Tech Tip: Diagnosing a Cracked Engine Coolant Temperature Sensor
Customers may comment about various driveability and/or engine operating concerns including: hard start, erratic idle, rough running, engine overheating, low and/or leaking coolant and/or Service Engine Soon lamp illuminated on 1991-2001 Saturn S-Series vehicles. This condition may be caused by a cracked engine coolant temperature sensor. You’ll need to replace the engine coolant temperature sensor, inspect and, if necessary, replace the sensor harness connector ….
Tech Tip: Larry Carley Covers the Top 10 Domestic Diagnostic Codes and Fixes
Some people think a code is all you need to fix a fault and turn off the Check Engine Light (or Malfunction Indicator Lamp or MIL). A diagnostic trouble code (DTC) certainly helps, but it only tells you that some kind of fault has occurred, and maybe the circuit or component associated with the fault. But no code by itself can tell you which part to replace, because in many instances any one of several causes may have set the code ….
Volkswagen Tech Tip: Poor Throttle Response on Golf, Jetta and Beetle Models
Some 1998-2003 Golf, Jetta, Jetta Wagon and new Beetle models with 1.9L TDI may exhibit poor throttle response. The following Tech Tip from ALLDATA will help diagnose and repair this condition ….
Tech Tip: Chrysler’s MIL is On, with DTCs P0351, P0352 & P0353
You may find that the malfunction indicator lamp (MIL) is illuminating with one or more of these codes: P0351, P0352 and P0353. This can be the result of several different conditions. Read on to find out what problems you may encounter and how to test for and then fix the condition ….
15 Ride Control Tips
These tips will help you sell the job and do it right!!! The customer will not be happy if he brought the car in for a knocking noise, was sold a couple hundred dollars worth of struts and or ball joints, etc., and the noise is still there. He takes the car elsewhere and the
Cartridge Wheel Bearing Service
Wheel bearing service on import front-wheel drive cars with cartridge-style wheel bearings can be a challenge if you don’t have the proper tools. The wheel bearings are pressed into the knuckle and are impossible to remove unless you have a hydraulic press or a puller designed to push the wheel bearings out of the hub.
Brake Pulsation Questions Causes, Rotors, DTV
Brake Questions Answered by the editors of BRAKE & FRONT END 1. What causes runout? Brake Rotor runout can be caused by several things: variations in manufacturing tolerances, sloppy resurfacing procedures, a buildup of rust and corrosion between the rotor, hub and wheel, and uneven torque on the lug nuts. 2. What else can cause
Nondirectional Rotor Finishes: Do You Really Need Them?
You’ve probably heard that nondirectional rotor finishes can lessen the risk of new brake pads squealing. They can, but do you really need to apply a nondirectional finish to freshly turned rotors? And what about new rotors? Should you give them a nondirectional finish if they don’t have one? Like many issues concerning brake rotors,