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1985 Chevrolet S-10 Blazer Questions & Answers
1985 S-10 Blazer, 4cyl.
Converting AC
because R134A runs at pressures far exceeding the reliability of the compressor and other components , it is not a simple case of just changing the gas
BY fitting a new system which includes evaporator , condenser , compressor and hoses , the fittings to which you refer will be evident
ac systems are not a job for DIY if you want a good reliable safe system
4wd 1999 chevy 2500 will not engage
1999 chevy 2500 ??? Come on a warranty , get real .
Did you have the 4X4 system checked for DTC'S - diagnostic trouble code's ? Can set a few .
DTC B2725 ATC Mode Switch Circuit Malfunction
DTC C0300 Rear Speed Sensor Malfunction
DTC C0305 Front Speed Sensor Malfunction
DTC C0308 Motor A/B Circuit Low
DTC C0309 Motor A/B Circuit High
DTC C0310 Motor A/B Circuit Open
DTC C0315 Motor Ground Circuit Open
DTC C0323 T-Case Lock Circuit Low
DTC C0324 T-Case Lock Circuit High
DTC C0327 Encoder Circuit Malfunction
DTC C0367 Front Axle Control Circuit High
DTC C0374 General System Malfunction
DTC C0376 Front/Rear Shaft Speed Mismatch
DTC C0387 Unable to Perform Shift
DTC C0550 ECU Malfunction
DTC C0611 VIN Information Error
The range/mode switch circuit consists of four normally open switches. The automatic transfer case control module supplies a regulated 8 volt DC to the switch through circuit 431. The switch has circuit 1693 to return current to the automatic transfer case control module through a 9.09K ohms resistor located inside the switch.
The transfer case shift control module constantly monitors this signal voltage to determine the condition of the mode switch circuit. If no buttons are pressed, and the transfer case shift control module detects a voltage level outside the possible range (approx.-0.5 to 1.0 volts) for longer than 5 minutes, the transfer case shift control module will set this DTC or if a button is held down or sticks for a period longer than 5 minutes.
When each of the switches is depressed they will complete a circuit through their own specific resistor. The transfer case shift control module continuously monitors the switch input to determine whether the 4HI, AUTO 4WD, 2HI, and 4LO button selections are made by the driver. Neutral may be obtained if the following conditions are met:
• The engine is running.
• The automatic transmission is in neutral (or the clutch pedal is depressed on a manual transmission application).
• The vehicle speed is below 3 MPH.
• The transfer case is in the 2HI mode.
Once these conditions have been met, pressing and holding both the 2HI and 4LO buttons for 10 seconds will shift the transfer case into neutral, turning on the red neutral indicator lamp.
If you are not familiar with these electronic systems ,I suggest you take your vehicle to a qualified repair center .
Oil Pressure Loss
By the sound of it you are still driving the vehicle and it hasnt destroyed itself so I would guess that the oil pressure sensor is failing.
How to prime fuel system 1985 6.2 L diesel
There should be a bleeder next to the fuel filter, either on top or on the side...start by cranking you motor a few times and stop...then open the bleeder...you should hear some air and maybe see some diesel fuel come out...next shut the bleeder and crank motor again.....repeat the process untill you have a steady flow of diesel fuel with out air....close bleeder and your good to go...
How much hp does a 85 Chevy s10 blazer stock engine have?
old post. and pops up for Geo, i help poor Geo owners.
what engine options. GM offered 10 engines that year.
so can not answer you. ever , lacking that key fact.
85 is an old car and must have missed the nation wide crush program. they are very hard to get running, (vacuum magic H3LL)
1.9L option
that is normal, it is gutless.
the 379 Diesel, not that has some big time torque......
The heater fan blower in my 85 chevy blazer s10
There is a blower motor resistor under the dash in the middle or closer to passenger side. It should be attached to the ducking with two bolts or screws. There will be a connector to unplug with probably about 4 wires. That resistor goes bad and will cause the symptoms your describing. Remove the connector, Remove the bolts or screws, and replace in opposite order. Very simple to replace but locating and actual replacement will sometimes be difficult. Talk to your local auto store and most should be able to point you in the right direction. The part should be around $20. Let me know how it works out for you. Thanks.
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