Question about 1989 Chevrolet S-10 Blazer

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I have a 1989 s10 blazer 4.3.The temp guage reads 225 is this normal? I have replaced the waterpump,thermostat & belt.

I have replaced the waterpump,thermostat & belt.

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  • Chevrolet Master
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For car running hot and overheating issues, I suggest to you go through this help links. Click this link below and go through the troubleshooting procedure to take care of the problems: ----Car runs hot? http://howtobyme.blogspot.com/2011/11/car-runs-hot-in-traffic.html
-----------All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html
Car freeze overnight and started overheating while driving?http://technoanswers.blogspot.com/2012/01/car-freeze-overnight-and-started.html-----------Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

---------------------------
Car overheats and Air blows hot at idle?
http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
--------overheating? http://schematicsdiagram.blogspot.com/2011/12/buick-century-overheating.html
----------Car engine Overheats and transmission starts slipping?http://schematicsdiagram.blogspot.com/2011/12/car-engine-overheats-and-transmission.html
----------This details will help.Thanks.

Posted on Feb 25, 2012

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Posted on Jan 02, 2017

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emissionwiz
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SOURCE: replace thermostat 1994 s10 blazer

follow the upper radiator hose to the engine, under the nipple that the hose attaches to on the engine is the thermostat, 2 bolts and maybe a bracket VERY EASY TO DO.

Posted on Feb 10, 2009

wracefans24
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SOURCE: 1989 Chevy S10 Blazer, 4.3L V6. 4wd not working.

under the battery is where you need to check first,then follow it down around the right front wheel well,

Posted on Dec 09, 2009

e-Guru
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SOURCE: pictures or illustrations/diagrams of 1989 blazer heater core

Hi,

Please check this webste:

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Thanks

Posted on Mar 28, 2010

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SOURCE: 1989 chevy s10 blazer will not start no spark

Did you check to see if your fuel pump is working, sending fuel to the engine when you are cranking the starter?

Posted on Jun 04, 2010

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SOURCE: what reading for map sensor chevy blazer s10 1989

CODE 33 MAP SENSOR SIGNALVOLTAGE OUT OF RANGE HIGH. CODE 34 MAP SENSOR SIGNAL VOLTAGE OUT OF RANGE LOW.

Posted on Jun 24, 2010

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2 Answers

I have 1989 s10 blazer with a 4.3. I have replaced the water pump,thermostat & belt,it still gets hot by the dash gauge it says the temp is 225 is that normal temp?


The normal temp should be between 195 and 220 degrees. 225 is not bad but does seem a little on the high side. Do you see this temp at idel and then it cools down as you drive or do you see this temp all the time? If you see it all the time after the engine is fully warmed up it may be the gauge is a little off or the trump sensor may be a little off. If you see it at idle and then it cools down while driving than you possible have a bad fan clutch. Another possibility is that you have bunch of debris that has built up in front of the radiator on the outside. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

Feb 20, 2012 | 1989 Chevrolet S-10 Blazer

3 Answers

Why does my temperature gage go over half when i drive with the ac on in a 90 degree climate? when i dont have the ac on, it stays on half. i had the radiator and engine flushed out and i'm using the...


Hi,
A/C increases Engine Temp in two ways.
1, extra 2-6hp load on engine.
2, hot condenser in front of radiator heating air going through cooling system.

A small difference in engine temp can be expected, but if the car is running hot get it sorted out.

Oct 07, 2017 | Chevrolet TrailBlazer Cars & Trucks

1 Answer

Replaced thermostat and water pump. Continue to heat up and then "click" needle moves down to normal.


As soon as the temperature in the engine reachs the temperature of the thermostat rating i.e. 195 F or 95C, it opens. Then the temp. guage goes back to normal and the coolant heating in the engine begins again & the guage will even out after a number of thermostat openings. Make sure you retop off the the antifreeze after it has recicled a few time because of vapour lock etc. Good luck!

Jan 04, 2011 | 1989 Plymouth Acclaim

1 Answer

My 97 Acura 3.2 TL starts to overheat and I also notice that the air gets cold when the heater is on. But when I begin to drive after stopping, the temp. goes back to normal and the air gets back hot...


Possible thermostat but more likely fan belt is slipping when idling causing waterpump to slow or even stop spinning. Tighten or replace fan belt that runs over waterpump pulley

Jan 03, 2011 | 1997 Acura TL Series

1 Answer

1990 honda accord temp gauge above hot limit.


Hi there,

Firstly - DO NOT run engine, when guage reads hot, as this will cause costly damage to head gasket & alloy engine head.

The fact that guage takes 1min to read HOT, would confirm the guage IS working properly.

So, other components which are likely to cause hot readings (in this order) are:

- lack of coolant (or leakage somewhere): is there sufficient green coolant at the correct level? Top up mixture to correct level. Repair any leaks.

- collapsed radiator hose: when engine is cold, start engine, then quickly watch both upper & lower radiator hoses to see if either begins to flex inwards (collapse). Replace if either hose is collapsed.

- bad/incorrect thermostat rating : when replacing thermostats, you must ensure it is of the SAME temp rating (they all differ).

- Incorrect Temp sensor rating: the ratings of this sensor must be within manufacturer's spec's.

- bad waterpump: the engine relies on the waterpump to distribute the coolant throughout the entire system. If waterpump is faulty, coolant will not flow quick enough, causing overheating.

If you still believe all of the above components are OK, then have your cooling system "pressure tested". This test should be done, before looking further at other electrical components.

Cheers,

"if this has helped you in any way, please rate this solution"

Jan 27, 2010 | 1990 Honda Accord

1 Answer

2001 pontiac aztec, temp guage shows (very) high) temp reading. I take the battery cable off, replace cable, then it appears normal. I have done this for 4 months, everything is OK. Now it no longer solves...


if you have high miles, 75k or more I would go ahead and have tempature sensor and thermostat it self change. I don't see battery cable would have any bearing to the temperature guage or cooling process. Both switch work almost the same, at time it work well other time it read or work incorrectly because it a sign of unit becoming faulty. If the temperature sensor is faulty half of the time it well give you incorrect reading however if the temp sensor working properly and the Thermostat is not, you will also get a high temp reading due to the Thermostat is not working properly allowing the hot antifreeze to flow out from the engine to the radiator which cause the hot antifreeze to be remain lock up in the engine block. Thermostat suppose to open and close when it reach its temperature; at the same time I would also replace thermostat switch which operate the cooling fan. all three tend to go bad over times; replacing all three is a great ideas. Thermostat, thermostat switch and temperature sensor.

Oct 21, 2009 | 2001 Pontiac Aztek

2 Answers

Car over heating. tempature gauge fluxuates


Your overheating problems can have several possible causes.
1) Airlock in heating system - solution - bleed air from cooling system. Method is dependent on make/model of vehicle
2) Radiator blocked - solution - drain and flush radiator
3) Failed waterpump - solution - fit new waterpump
4) Engine thermostat stuck in closed position - solution - fit new thermostat
5) Electric cooling fan (if fitted) failing to operate - solution - check fan, fan operating switch, all wiring and connectors
6) Not enough coolant in system - solution - check and top up to required level. Also check all hoses for sign of leakage.
7) Faulty temperature gauge giving incorrect reading

Jun 21, 2009 | 2001 Jaguar XJ8

1 Answer

1989 s10 4 3 4x4 blazer the amp goes down why


Sounds like loose or faulty Alternator connection try cleaning and retightening cable connections. also check that battery connections are clean and tight. GL

Jun 09, 2009 | 1989 Chevrolet S-10 Blazer

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