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Trailblazer EXT

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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
I just had my oil changed so why is my guage reading low oil pressure 2003 Chevrolet Trailblazer
Hello - the "low oil pressure after an oil change" behavior is usually caused by a stuck oil pressure regulator. The oil change process drains the oil passages in the pressure regulator. Refilling and restarting the engine causes a surge...
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
How much will it cost for a right front axle disconnect repair on a 2005 trailblazer v6 ls ext 4x4.
Hi. Although the vibration and oil leaking might be one in the same in regards to the component causing your issues, it might be a good idea to have a professional mechanic complete a car is vibrating inspection first, as...
Question
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
How much is a kickdown replacement
Hi there. Unfortunately, this is not a service our mobile mechanics offer. You might be better served to contact a local transmission shop to complete this service.
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
I was recently in a car accident that damaged my passenger side, my bumper is off, fender is dented, and axle is broken. do you
The worth of a vehicle can be subjective. Something might be worth it to you, but not to me, for example. Start off by getting an estimate for the repairs. Ask whoever does the estimate to price it with used...
Question
The key at half cranked lights on but when try turn over all power goes out.
Hello, you are dealing with an electrical issue. I assume you replaced the battery (shiny new voltage box) and still have the concern. What needs to be done is to view the voltage output from the ignition switch. This...
Question
What size fuse do i need for my wipers
Replace it with a 20 amp fuse.
Question
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
My heat doesn't work in the rear of my vehicle.
The first thing to do is to check the two heater lines under rear of truck to see if both lines are hot when engine is warmed up. If they are both hot to the touch then you most likely...
Question
need to change front wheel upper arm bussing/ what tolls do i need to use
Hi there: It's probably a good idea for you to purchase a 2004 Chevrolet Trailblazer repair manual. In this book, they will outline the steps needed to make major repairs such as replacing the upper control arm bushings; including which...
Question
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
. Today i tried to reverse and it's not responding same with drive.
Judging by the age, mileage, and your description of the issues, the transmission may be in need of repair or replacement. You could try to have a transmission fluid service performed, but odds are with the mileage, it may not...
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....

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