Q: I've gone through 3 batteries in the last year

Hello. Your Grand Cherokee has a cable-operated hand brake, and is adjustable from under the car. Sometimes, the cables are stretched, and a spacer will need to be installed on the threaded adjuster to get the proper tension. Check your...

Steering wheel vibration during turns might be an outer constant velocity joint (https://www.yourmechanic.com/services/axle-cv-shaft-assembly-replacement). The mechanic can check general condition of the engine, even if the engine noises are not present when the vehicle is checked. Check aftermarket automotive suppliers for...

Unfortunately, a faulty ignition coil is known for randomly failing with or without warning. There are usually indications that it may be failing, however, it is often times difficult to know just how long it may last once it begins...

Hi there. If the code is for P0011 (https://www.yourmechanic.com/article/p0011-obd-ii-trouble-code-camshaft-position-a-timing-over-advanced-or-system-performance-bank-1-by-jay-safford), then there is an issue with the VVTi system. The Variable Valve Timing solenoids (https://www.yourmechanic.com/services/variable-valve-timing-vvt-solenoid-replacement) are not functioning properly. First change the engine oil and filter. Then clear the codes by...

Hi there. To be completely honest, anytime a head gasket service has been completed, I typically throw "common causes of an engine cylinder misfire" out the window. In most cases, a head gasket gasket fails due to an overheating problem....

Hello, thank you for writing in. One question that needs answering is what are the plugs wet with? While it is most commonly oil, coolant and fuel an also foul the spark plugs. If fuel is the issue, you need...

Hi Jessica. Thanks for contacting us today. One of the most overlooked components that can cause a brake pedal issues like you've described is the proportioning valve. This component is located under the hood and is responsible for adjusting the...

Any time you add accessories you take the risk of overloading the electrical system at idle or lower engine speeds. The only recommendations I suggest is that you disconnect the last lights that started the problems and see if the...