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G6

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Question
Does the size difference matter when changing tires and rims?
Hi there. The rim size for you have included are good and the same. The numbers that are for a tire as displayed as the following: The first number (ie: 215, 225) is the width of the tire tread The...
Question
Do I have to change the engine mounts and bellhousing when switching to the 3.9l?
The engine should bolt up to the transmission, but the 4t45e has a lower torque rating than a 4t65e so pushing more power through it might cause problems. There may also be a few subtle issues with mounting the new...
Question
Cars light and everything turns on but won't start and no nose
Be sure not to remove the battery cables if and once the vehicle is running. Removal of the battery from the circuit at that time can cause a voltage excursion which will damage the PCM (powertrain control module or "vehicle...
Question
concern over serpentine belt
Hello, the belt should be clean and dry when inspecting it. What could be happening is some type of fluid is leaking on the belt creating the film and smell. The fluids could be anti-freeze, engine oil or power steering...
Question
Heater blowing cold
If the vehicle is neither overheating or running too cool / taking too long to reach operating temperature, the thermostat is most likely opening and closing properly. Be certain the coolant is at the proper level and both hoses to...
Question
Car jerks when putting in drive.
The jerking reaction when putting the vehicle into drive suggests that your transmission may be low on fluid. Automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer activates a transmission...
Question
How do you tell how long an engine is going to last / how healthy it is without disassembling it?
While there is really no way to tell how long any engine will last, a compression test is a good way to determine the overall health of an engine. If the compression test reveals that compression on all cylinders is...
Question
What can you do to see how healthy a transmission is / how long it'll last? How much do these tests tell you?
Some of the tests that could be performed to determine if a transmission is in good condition would be to first check the fluid level as you mentioned. If the fluid level is low or the condition of the fluid...
Question
If I want to do most maintenance / fix most problems myself, what tools should I buy?
When it comes to servicing vehicles there are going to be many types of tools that will be needed. If you want to start servicing your own vehicle there is not any one mechanics tool set out there that will...
Question
Power steering failure 2005 Pontiac G6
Hello - this steering behavior does resemble the symptoms from that Recall (14V153000). The specific component that failed for your model was the "steering torque sensor" and should have been replaced as part of the Recall (Bulletin 14116 ). I...
Question
Car won't start - 2007 Pontiac G6
Hi there. You could have a bad battery, starter, or electrical problem. Perform a battery test with a digital battery tester that provides cold cranking amps and state of health. Check all fuses/relays and replace as necessary. If the dashboard...
Question
Rhythmic moaning noise that starts at ~30mph and grows in intensity as speed increases - what could it be?
Hey there. This is a common sign of failing wheel bearing(s). A wheel bearing will usually fail due to pitting or small damage on the surface of the rollers or the bearing race. Both the surface of the rollers and...
Question
My car has a fuel smell inside after putting gas in it
This is likely an evaporation emissions system leak. All modern cars are equipped with an Evaporative Emission Control (EVAP) system. The EVAP system prevents fuel vapors from the fuel tank from escaping into the atmosphere. The EVAP system collects and...
Question
Car wont start
Hi there. There are multiple potential issues that cause a vehicle to not crank over or fail to start. This could be a battery-related issue if the battery has low cranking amps, or a starter or starter relay issue not...
Question
Squeaking and over heating
Hi there: If you're experiencing a squealing or squeaking noise and have noticed the engine's temperature is running high, it could be caused by a serpentine belt or water pump pulley that is loose or is damaged and needs to...
Question
My heater seems to blow hotter when I'm driving versus when it's sitting at idle or at a stop light. Also the heater takes too long to heat up the cabin department. Why?
Hi there. When your vehicle is in motion and driving down the road, then engine coolant temperature tends to get hotter on the engine before it gets to the radiator, so the heater will naturally heat up more when driving...
Question
The back end of my car is sitting lower than it should and won't move more than a foot in drive or reverse.
Hello. From what you describe it would appear that your vehicle may be experiencing more than one issue. If the rear of your vehicle is noticeably lower than the front, it may be possible that some sort of suspension problem...
Question
My key fobs do not work and I don't know how to reset them.
It may be possible the new batteries were not installed properly or the circuit boards inside the key fobs may be damaged. You can try another set of new batteries and make sure to follow the symbols on the inside...
Question
What brand of filter
Hi there: One of the better oil filter brands made today is offered by Wix Filters; especially for "larger" four-cylinder engines like your G6 has. This motor is recommended to use a 5w20 conventional, synthetic blend or full synthetic oil....
Question
Car will not start.
Hi there. Used parts always present the possibility of additional concerns, depending upon the condition. However, they also allow us to perform a repair at a discounted price of the part; always a plus in my book! Does the engine...

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