Popular questions

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Issue with AC after timing chain replacement?
My vote is for coincidence. The temperature blend door actuators are a pretty common failure item on these models as well as timing chain concerns. The temperature blend door actuator is mounted inside the dashboard while the timing chain replacement...
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Fuel light flashes, check engine light on
Hi there, thanks for writing in about your 1997 Mercedes-Benz S420. The fuel light circuit receives information from the fuel level sending unit to show the approximate fuel level and give a warning as the level becomes low. There can...
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Brakes don’t work when it’s cold
This issue of brake vacuum pump failure is a dangerous issue and if it fails while driving you may not be able to stop as quick as when the brakes worked normally. The brake boost pump is designed to assist...
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if the mechanic broke the water pump bolt while trying to remove it- who is responsible to pay for the repair?
A 2011 model year car is "generally" too new to have a bolt so stuck that it is broken on removal. It is possible the mechanic encountered a stuck bolt but simply used the wrong technique to remove it (common...
Question
will a 2008 engine from a pontiac g6 gt fit in my 2006 pontiac g6 gt
The 2006 engine is a LX9 motor and the 2008 engine is a LZ4 motor and they are different. I have never tried to swap these two motors to see the differences and would recommend to replace the motor with...
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When I'm sitting in park my truck makes a loud bang sound
Depending on the sound and the location of the sound, this may be related to a misfire/backfiring problem. Engine backfire is caused by an imbalance in the air/fuel ratio being supplied to the motor and will occur in one of...
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my car jerks and seems like it wants to shut down when im at a red light and i roll the windows up lights seem to dim out
This sounds like it could be two separate problems. You may have been on the right track with the battery, but if the voltage drops while the engine is running, that sounds more like a charging system problem. It might...
Question
How much should it cost to replace a fuel pump relay?
A fuel pump relay will typically cost about $25 for the part, and a mechanic may charge a minimum of an hour's worth of labor to replace it. The vehicle not starting may be a fuel pump or relay along...
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My steering wheel in my 2004 chevy cavalier is tight and stiff
Make sure that your tires are not under inflated in the front. If there is adequate power steering fluid and the belt driving the pump pulley is properly tensioned, the output pressure of the pump should be measured. If the...
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The AWD disable light is on in my 2006 Buick Rendezvous
Some systems require more than a code reader to find a fault. The AWD disable light means that there is a fault with that system. The AWD system controls torque (rotational force) to the four wheels. This is to improve...
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Engine misfiring in a 2007 BMW 328i
Your BMW is fuel injected so I'm guessing you cleaned out your throttle body. The next thing I would look into is the coil for the culprit cylinder, have a certified mechanic, like one from YourMechanic, inspect your vehicle and...
Question
How does the rear window defroster work?
Your car is equipped with both a front and rear defroster. While the front defrost is tied into your air conditioning system and uses the fan, the rear defrost is different. Here’s what you need to know to work it:...
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Car overheats after replacing radiator
While there could be a few different causes that could lead to a vehicle overheating after a repair, it sounds like your Acura TL may have had an issue where air was left in the cooling system after the radiator...
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Car will not turn over - 2011 GMC Acadia
A flashing Check Engine Light is commonly an indicator that you have non-burning raw fuel that is flowing into the exhaust system or triggering the O2 sensors to report this information. This is one reason why your engine is probably...
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Electronic power steering was damaged from improper tow I patched eps however truck will not turn over. Serv.elect.throt.Cont
Inasmuch as you disconnected the battery, check to be sure that the engine immobilizer has not become activated. With a fully charged battery in good condition, and the immobilizer (security) system off, if the starter motor does not operate at...
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Is the pcv supposed to fit loose on the valve cover? And how do you remove the pcv itself?
The PCV on this engine has a lock tab and unscrews from the valve cover. The tab may break when you try and remove it so make sure you have the correct one before you try and remove the old...
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Guys to replace a timing cover gasket for a chevy malibu 2012 ls 2.4 do I meed to jsck up the engine?
The position of the engine is not changed. However, to remove the cover and the old gasket, you have to remove the right engine mount. The engine must be supported either with a bar support at top or from below...
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My car keeps stalling - 2012 Ford Escape
Hello there, stalling issues with your 2012 Ford Escape can be caused by many faults. The most common faults are the MAF sensor, vacuum leak, oxygen sensor, fuel pump, or crank position sensor. I am unsure what you mean by...
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Why does my car shake when I break and why does it sound "old" in cold weather after warming up?
The hard starting in cold weather is almost certainl due to a failing battery. A borderline battery can often be pushed over the edge by cold weather. As far as the braking issues is concerned, the most likely cause is...
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Antenna is loose, need to secure it
Hello Linda! Thank you for writing in about this problem. This does seem to be a common issue to the CX-5. Unfortunately, there have not been any updated part numbers or Technical Service Bulletins issued for this particular problem. The...
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Idle fluctuates and then stalls.
What you are describing sounds like a dirty or failing idle air control valve. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and...
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The car starts, but when I hit the gas the check engine light blinks & it feels like I don't get much power, sometimes smell gas.
Hello. A flashing Check Engine Light is an indicator that the computer has detected an issue with the vehicle's engine management system that could potentially cause harm to the emissions system. Continuing to drive with a flashing Check Engine...
Question
Car makes a knock noise when going over pot holes or bumps also shakes when on the freeway
The noise over bumps is most likely suspension related. knocking sounds can be cause by worn ball joints or tire rods. Also, worn struts or strut mounts can cause a banging or knocking sound as can a broken coil spring....
Question
How do I quickly defrost the windshield and front windows?
If you are in a hurry and you have poor visibility due to frosted windows, you can quickly defrost the windows and windshield. Here’s how: 1. Use the fan control dial to set the fan to the maximum speed. 2....