Silverado :: 1991 C1500 Heater Air Does Not Get Hot And Temp Indicator On Dash Will Not Move Off Of Cold


Jan 22, 2013

I have a 1991 Silverado C1500 and when I push the heater button to on, the thing just goes absolutely crazy. Instead of one little indicator light, that is suppose to show hot, it lights up all the way across, like a pinball machine that has tilted. The heater air does not get hot and the temp indicator on the dash (separate guage) will not move off of cold. I am going to replace the thermostat, but what is going on with the darn temp gauge?

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02 6.8 4x4 excursion. When I start the truck cold, the trans temp gauge immediately moves to "running" temp. Not really sure how this happens, I'd figure that if the xducer was trash it would ride all the way high or all the way low. What's happening here? I'd sure like a functional gauge...

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C/K :: 1991 Chevy Silverado K2500 With No Spark - Smoke Coming From Under The Dash

i have a 1991 silverado k2500 with the 454 big-block in it as i was driving home yesterday getting on the high way the truck just died completely without warning i looked down because i smelled something like burning wires and there was allot of smoke coming from under the dash where the steering column is when i go to start it all it dose is crank and crank never fires up it has no spark at all ?

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C/K :: 1991 C1500 2wd - Truck Runs Good For 20 Minutes Then Dies And Won't Start Until Next Day

It is a 1991 C1500 2wd, ext cab, short bed 5.7L engine with about 300k miles on it that I have had for a year. Supposedly a different 350 engine and transmission was put in a couple years ago.

This problem has been going on for 2 weeks. I'll start the car up and it runs just fine, no problems. After driving for about 20 minutes, the engine will die while driving, and will not start back up until the next day. I have sat in the car for literally 4 hours patiently waiting for it to start. I'll turn the key and the engine will rotate, but will not start. When someone shows up to give me a jump after the battery gets low, it will not start. I'll go home and go to sleep, and sometime the next day I'll go to my truck, and it will start back up, and I'll drive back home, and I'll make it as long as it takes less than 20 minutes.

It is not just a "morning problem", but a "first time I have started the truck that day" kind of problem. Last week, it happened to me in the mornings. On Saturday, I didn't leave my house until 2pm and the problem happened. Today, I first drove it at 8pm, and the problem happened.

Things I have changed so far (mostly from Autozone):

Starter - burnt it out when it first died 2 weeks ago, now I know not to crank when below 9 volts - lifetime warranty

Spark plugs - no more engine popping or driving with 2 feet - changed last week on Tuesday - AC Delco CR43TS gapped at .035

plug wires - changed all in November, since I noticed one of the old ones was tore - lifetime warranty

Distributor cap and rotor - changed last month when the engine started popping - autozone

Ignition control module- I changed today, I really thought that would fix the problem after speaking with the Autozone guy - lifetime warranty

Ignition Coil - changed last month because of popping

Fuel Filter - changed last Thursday, thinking it was a fuel problem

Here are some of the other symptoms I have been noticing over the last couple months:

Pretty bad gas mileage, I know it is a V8, but it is just as thirsty when I am not carrying anything as when I am pulling a car. A couple months ago, after driving for about 30 minutes or so, the engine would make a "Pfft" noise and would start popping and I would have to drive with 2 feet to keep the engine running.

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Chevrolet - Silverado :: 1995 / C1500 - Air Conditioning Blower Stops Blowing Air While Driving

I have a 1995 Chevy C1500 Silverado. The blower and heater work great when I start driving. After about 20 minutes of driving on high blower speed, the strength of air blowing out reduces drastically and eventually no air is blowing out of the vents. I can still hear that the blower is blowing air, but there is no air coming out of the vent. The Midas repair shop I frequent couldn't reproduce the issue on their short test drive (of course). They told me to bring it back to them whenever the problem occurs. I haven't had the opportunity because by the time I get out of work, they are closed and I am freezing to death every morning.

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I would like to locate the sender for the gauge to do a little testing. I removed a whack of plastic but nothing was obvious.

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C/K :: 1995 C1500 Silverado - Driver Side Seat Belt Got Locked In Retracted Position For No Reason

Today my driver side seat belt got locked in the retracted position for no reason. I drove the truck to work, no issues with the seat belt, but when I got in to go get some lunch, I went to put the belt on and it moves about 2-3 inches out of the retractor and locks.

The other issue I'm having, is that I can't get the retractor cover off to see if theres something inside locking the belt or if it is going to need to be replaced.

How to get the cover off and if possible, fix the belt without replacing it.

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The viewing glass has bubbling stuff flowing thru it. The recently flushed radiator is full as is the overflow reservoir.

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the car 07 passat wagon fsi auto value edition.. This is my first winter in Maine and I've noticed by 35 degrees F and colder when vehicle is at operating temp and then I use the cabin blower say 72 degrees or hotter on fan speed 2; causes engine temp to drop maybe 10-15 degrees. Car reaches operating temp quickly! And coolant concentration seems right!

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My Jetta runs great in the summer and all seasons around town... the temp stays around 195 or so, the heater works ok, etc. When I get on the interstate however (now that the temp has dropped) , the story changes. The temp gauge falls below 150 and the heater gets cold. I assumed the thermostat was stuck open, so I replaced it but it didn't solve the problem. I called a local dealer and on his recommendation, I replaced the Engine Coolant Temperature (ECT) Sensor. That also didn't solve the problem. I have had cars overheat in the past, but never one that overcooled! Wy my car cools too well at highway spheeds? It affects my gas mileage and makes for an uncomfortable ride on cold days!

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Kia - Sportage :: 2006 - Heater Blowing Cold Air - Temp Gauge Moving Toward Hot - Won't Start Now

On my way home from work I noticed that my heater was blowing cold air. then I checked my gauges and noticed that the temp gauge was moving toward hot. pulled over on side of road car died on me. Husband pulled car home replaced top water hose. Now my car will not start.

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After towing it to my shop at work, I hooked it up to my scanner, and found that the pcm will not communicate with the scanner (otc genisis). I have no injector buzz with key on, wait to start light comes on for an abnormally long time. I have 48.3 volts on the ficm,(4 screw), and haven't been able to find any chafed wires as of yet.

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I drive a 91 Silverado, v6, standard transmission.

While I was driving my truck seemed to slip out of gear and wouldn't go back in. About 10 seconds later it shut off. I was able to ride the momentum and pull over. It tries to start when I'm turning the key, but nothing. I've ruled out the distributor and the battery. All I can think now is: transmission ....

I've had problems with my distributor rotor from time to time, but no real indication that my transmission was having troubles.

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I checked for stray voltage in the coolant and the results never got above .17 volts, but it was usually lower than that. I thought I had an electrolysis issue when I noticed the heater core tubes touching the firewall, so for this last core, I insulated the tubes, but that didn't work. I've checked everything I can think of. The truck has 117K miles on it. I don't drive it much, less than a few thousand miles a year.

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I have less than 7k miles on my new Silverado W/T. I haven't hauled anything heavy in it since I bought it, and have been using it just back and forth to work. Pretty light duty. I was parked the other night in a parking lot idling and listening to the radio when I noticed the transmission temp jumped up to 189 degrees! I also noticed the water gauge was a bit past it's mid-range temp. I immediately cranked up the heater core to try to cool things down and it worked for the main radiator water temp..but the tranny sender quickly went to 200 degrees so I shut the whole mess down.

Just before I did that, the transmission idiot light popped on. I left it there for several hours in 20 degree weather and came back to start the truck and head home..the tranny on start-up was still @ 70 degrees. I got up on the hiway and things came down to about 100 degrees at a legal speed on the hiway. Engine water temp was normal too. Drove for about 45 minutes that way. I tried sitting in my driveway a day or so later in park, and the tranny temp went from 120 degrees to 145 degrees in 35 degree weather fairly quickly.

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