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Trailblazer EXT

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Question
My water pump went out, I drove the car about 10 more miles before stopping, did I create additional engine damage?
Hi there! Yes, that is definitely enough time to do catastrophic damage and seize the engine. With your water pump going out and no coolant circulating through the engine, there is tremendous heat being generated and stored, and with heat...
Question
A rattle sound underneath truck when starting or when driving and speeding up
Hey there. This could be a variety of things as most cars tend to vibrate a bit which will cause bolts to loosen or fall out over time. Especially depending on a person's individual driving habits and conditions. There may...
Question
Car is idling up and down while either parked or when driving.
Hi there. I believe O'reilly's sold you an IAC (idle air control valve) from the description you have given. OEM is the acronym for original equipment manufacturer. Seems odd that it was only fixed for a couple of hours. Sometimes...
Question
Smoke is coming out of dipstick and where you put the oil in also the oil keep burning up in about four days and its starting to s
Hello. This suggests you have a couple of different problems that may be indirectly related. Smoke coming out of the dipstick to a certain degree is OK, however if this is excessive, this is not good and should be looked...
Question
What else can leak coolant? The leak is away from the radiator as well.
A coolant leak can come from leaking hoses, a bad head gasket, an intake gasket, or a number of possible locations. This means that a mechanic would need to identify specifically where the leak is coming from first before making...
Question
I have a 02 chevy trailblazer I went to step on the gas pedal and all it did was revved up but no go I pulled over and it died I t
This may be caused by many things such as low fuel pressure, a bad mass air flow sensor or a faulty idle air control valve. Low fuel pressure can cause an engine to starve for fuel due to irregular fuel...
Question
Where is the grinding noise coming from?
Hello. If this only occurs in one direction, then I usually check inside of the fender well for shinny spots. If there are any shinny areas, that would mean that there is something rubbing, such as the tire rubbing. If...
Question
When i shut off my car the heater blower keeps going with unit off and car off. 2006 Chevy Trailblazer
Hello - either the relay is stuck in the "On" position from burned contacts or the heater switch is similarly stuck in the "on" position (internal contacts at least). I would recommend an electrical inspection by a mobile, professional mechanic,...
Question
My radiator is full and my overfill is full yet my car still is overheating.
Hi there. First check the reservoir cap and make sure that it can hold the pressure that it says on it. If the cap can hold the pressure, then either the water pump is not working or the engine has...
Question
I changed my starter relay and tested my starter but my truck still won't crank or start it just turns everything on
Hello, thank you for writing in. The first thing we need to discuss is the testing of starters. Starters are only bench tested typically, which means they hook up a power supply and watch for it to function. What they...
Question
If I put my car in drive and push on the gas it wont shift to second unless I let off the gas. If I drive it in overdrive it shift
Hello, the concern you have I strongly advise not to drive. The issue needs to be addressed, the vehicle will become inoperable. The automatic transmission has 3 systems; electronic, hydraulic, and mechanical. What describe could be an internal mechanical failure...
Question
4WD transfer case issue
Hi there. It seems like what happened was, when putting the vehicle in 4WD low and driving at a high speed on pavement this could have caused the front axle to burn up. This is because the front differential has...
Question
What size fuse do i need for my wipers
Replace it with a 20 amp fuse.
Question
Q: Service engine light
The service engine light or check engine light coming on in cooler temperature could be you gas cap seal but you would need to have the computer scanned first to see if you have codes in memory of the computer...
Question
Q: 4 wheel drive icon is staying on
If the switch for your four wheel drive has broken and your vehicle is now stuck in four wheel drive, it is very likely that the broken switch is the cause of your issue. I would recommend having this switch...
Question
Would a blown coolant hose, at heater core, cause loss of power?
Yes, severe overheating will cause loss of engine power and also has a high potential to damage the engine as the pistons scuff the cylinder walls and the exhaust valves stick in the valve guides. If the overheating is severe...
Question
4wd engages but vehicle bucks like 4wd is slipping.
There is likely an internal issue going on within your transfer case. The most common cause of transfer case slippage is low fluid. I suggest that the transfer case fluid condition and level is checked. If the two wheel drive...
Question
Can someone help me pls?
It sounds like you may have an overheating issue that may very well be related to the fact that there was no coolant in the radiator, however it is also possible that there may be other issues that may have...
Question
Engine light and battery light is on.
Hi there. Check the alternator and see if its not charging properly. Charge up the battery and start the engine. Check for a voltage on the battery with the engine running and see if its between 13.5 and 14.7 volts....
Question
My motor bogs down when going uphill but doesn't cut out just u have to kinda put ur foot in it to get up the hill
You will need to have the fuel pressure checked to see if the pump is giving the correct pressures and replace the pump in the fuel tank if it is not. If pressure is good then have computer tested for...

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