Q: Coolant leaking

The AC compressor clutch coil assembly may be inoperative causing your problem. The complete system would need checked. I would recommend having a mechanic, like the certified ones at YourMechanic, come and check it out for you to see what...

Hello. You need to see why the last smog failure was for. If the failure was excessive O2 in the exhaust test, then it could be the muffler. If it is for high HC or CO then it may be...

The HHR comes with two different motor options, so this complicates my answer a bit. Either way, the best method is to follow the hose at the brake vacuum booster to where it connects on the motor. Even better, simply...

Hi there. The code U0100 (https://www.obd-codes.com/u0100) means that the ECM (computer) has lost communication. Check the battery and the battery cables and make sure that they are in good condition. Check the ground wires to the chassis and to the...

Hi there - it's likely the grease on the CV joint boot is grease from inside the boot, and also possible it's from a leaking differential seal. Based on the noise your wife observed, more thank likely, it is the...

The external coolant leak you are referring to can be pinpointed by simple pressure testing of the cooling system when the engine is cold. To find the leak that exists in your case, and get the required repair estimated, please...

It sounds like what you are describing may be related to a faulty starter relay. The starter relay (https://www.yourmechanic.com/services/starter-relay-replacement) directs power from the battery to the starter solenoid which then engages the starter when you turn the key. When this...

Hi there - the biggest priority in re-assembling the engine to the transmission for a car with an automatic transmission is that the torque converter is installed FIRST in the transmission, and is completed seated into the transmissions fluid pump,...

Hi there - this sounds like the door lock actuator (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-door-lock-actuator) has failed. This a common failure over the years, especially with high-use doors like the front ones. I recommend a car door lock actuator replacement (https://www.yourmechanic.com/services/door-lock-actuator-replacement) performed by a...