Question about Chevrolet Blazer

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Chevy blazer s10 truck

Just drove about 200 miles truck running great. Checked water,oil,power steering fluid and transmission fluid before leaving. Everything was filled. Stopped to put fuel an check oil an Water..left gas station traveled a few miles now sitting on side of road because it has overheated. Raidor is still full but its smoking..what can i do.. was ran at speed limit an never pushed it hard any advice

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It sounds like your water pump is not functional and/or your water pump drive belt may well be broken. Sometimes after many many miles, the water pump can physically freeze up (Lock Up) from a bearing failure. My advise is first to check to see that the drive belt is properly tensioned, then start the vehicle to see if the water pump is turning. If both conditions are OK, then it is most likely a Thermostat that has failed and is stuck in the CLOSED position.

Another problem could be the Radiator suction Hose could have collapsed. This is the Hose that connects near the bottom of the radiator. Usually, the Lower Hose has a Spring inside to prevent collapsing. I have seen many failures of the lower hose from corrosion of the spring. This can occur from not changing the coolant per the vehicle manufacturers recommendation. Hopefully, you have a connection to a professional ASE Certified Technician that can find the root cause of the problem.

I have seen many engine blocks that are so badly corroded that coolant cannot flow through the passages inside the engine block.
This condition can be caused from not flushing the cooling system properly and replacing the coolant. It is imperative to keep the cooling system clean and free of corrosion to provide adequate cooling at all times. Let me know what you find caused the condition.


Posted on Nov 17, 2013

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Thermostat might have hooked. Replace first before anything else. The use of the thermostat is to keep water in the engine until the engine reaches working temperature. It then opens to let the water circulate through the radiator. If it gets stuck in a closed position, then the engine reaches boiling point.

Posted on Nov 17, 2013

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Posted on Jan 02, 2017

66 chrgr
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SOURCE: 2001 GMC Yukon Flashing Check Engine Light

dear sir the flashing check engine light means the truck was misfiring at the time of the incident .If the light is still on you can go to auto zone they will pull the codes for you and reset the light if you like.but if running good now then probably nothing to worry about .

Posted on Mar 26, 2009

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SOURCE: Lack of power when accelerating

You really should have a code check done. There are numerous items that can give you similar symptoms. Two places to look are the fuel filter (usually overlooked till they gum up, and the throttle position sensor (but test it first with an ohmeter. You will need a manual (vehicle specific ones are available at most larger parts stores and most of those stores also do code testing free)

Posted on May 27, 2009

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SOURCE: Flashing Check Engine Light during normal operation

HI you need to scan compuer to see what code you have

Posted on Sep 23, 2009

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SOURCE: 1978 Chevy 1/2 ton Truck - fuel is not getting to

On the front of the carburetor where the fuel line comes in is the fuel filter.Did you change that?Take off that line and slip the end into a container,coffee can size.Have a friend turn over the motor,watch for fuel.If you get fuel your needle and seat have seized in the closed position.No fuel check the rubber lines that hook to the fuel pump.You replaced the pump,it's only $2 worth of rubber hoses.If they don't seal the pump can't pull the fuel,it's cheap insurance.

Posted on Jan 05, 2010

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SOURCE: my 1999 chevy blazer oil pressure drops when i sit

There is a good chance that your have a intake manifold gasket failure and your losing coolant through your intake gasket causing the overheating or your head gasket has gone bad causing your overheating and the lost of oil pressure. Check your condition of oil to make suer there is no coolant mixed with your oil and also check your coolant in the radiator when the engine it cold. Don't want you to get burning. This would be the worst thing that could be happening to your blazer, as for the over heating. You may be lucky that it's a bad thermostat and it's going to need to be replaced. The low oil pressure could be a bad oil pressure sending unit and that is located at the back of the engine block by the distributor or the oil pressure relief valve has gone bad and that is located at the remote oil filter line housing at the engine block, drivers side.
Good luck and hope it's not the intake,or head gasket. Thank you for using Fixya

Posted on Mar 09, 2010

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