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I have a 1991 S10 Blazer with the EBC4 ABS and the only way to bleed the brakes is to use a GM Tech 1 scan tool and cycle the modulator as you bleed it.Then bleed the brakes in the normal manner. I have never found a auto repair shop that still had a GM Tech 1 scan tool. I am sure repair shops use the "slam the brakes on a ... Read More
I have a Kelsey hayes 310 on my 1995 chevy Cheyenne c3500hd truck but can't get the rear brakes to bleed how do I get the abs motor to engage and self bleed? I tried to use the dirt road method and it didn't work although I hear the motor engage and run for a few seconds each time I hit the brakes. Do you have any ideas? The garage wants ... Read More
There is a humming noise in my 1999 blazer. As soon as I start moving at about 15mph or so you hear the noise. It is really loud at about 45-55mph. Even when you do about 35mph and then let off the gas to coast down you'll hear it loud and clear. I'm thinking its either the Transfer Case or Rear Differential. Any advice will help
hi ive been working on tis right now found out there is a line that goes into the fender..see if that has fallen off..its very small and u need a mirror to see it,when that's off it defaults to defrost and vents only.
Oh, I have seen this one before, several times. The vacuum line that runs from the intake manifold to the vacuum resevoir in the drivers side front fender is rotted/leaking. It runs from the drivers side (left bank) of the intake manifold on the engine to a "tee" near the power brake vacuum booster. Check all the hoses and replace them if rotten. Actually, just replace them all because if some ... Read More
My actuators look to be all working, just no air comes out on the floor. when you select the floor the air comes out defrost area.
Check and replace Disributor cap. Especially if this slow start issue occures on rainy or humid days more then any other.
1999 Chevy Blazer 2 Door 4wd Trying to find a part number for the metal shims that go between the front wheel speed sensor for the abs and wheel hub. The shims adjust the high of the sensor so it does not interfer with the reluctor ring inside the hub. The part looks just like a soda pull tab. It is also one of the biggest causes of the abs activating ... Read More
#28 of 135 Too much heat! by focker1993 Jul 21, 2007 (12:50 pm) I have a 1999 Chevy Blazer with the climate control. The problem is with my heat, it never stops. It constantly blows heat out of the vents. I can still change the direction ( defrost, floor, vents) and the speed of the blower, but cannot shut it off. The AC will not come on, the light comes on, ... Read More
Up until a month ago, my Blazer of 3 years had run great with a little over 100,000 miles on it. I loved it and never had any trouble with it. Recently it began not starting. If left alone long enough ( 8-9 hrs ), I could get it to eventually start. So from the recommendation of a mechanic, I had the fuel pump replaced ( twice ) on my Blazer. ... Read More
Recently I changed the chain in my transfer case. I re-installed it and it was stuck in 4 low it would not ingage into 2 whl dr or 4 high So I took it apart again and noticed the forks were pretty tight, after awhile of messing with the 2 bolts that hold the forks i loosend it up. Put it back together again and now it is stuck in 4 ... Read More
My airbag light, went from perodically turning on and off to just staying on. Have it narrowed down to the clock-spring. Problem I am having is finding the part new or used. I can find one for 98 but not a 1999. Also when doing research on the repair, a couple sites listed clock-spring as the nickname but not the formal name. Anyone who can help me find how to obtain ... Read More
First check fuses. Next replace the transfer case switch it is located in front of the transfer case it has two wires on it. They go all the time. next check for vacuum lines. They run off your cruise control reservoir to a vacuum switch near the firewall and then to the 4wd diaphragm . This diaphragm is located under the battery. You must remove the battery tray to get to ... Read More
I posted this a while ago and was given some good tips but have not solved the problem. The front left caliper was bad so I replaced it but running into the same problem where the ABS light goes on after 30 minutes of driving It is a 1999 Chevy Blazer Both Wheel hubs with sensors new, calipers, rotors, and pads all the way around, master cylinder. The abs modulator is ... Read More
bought this car for my 16 yr old daughter and when I bought the vehicle in July I tried the 4 wheel HI and LO and it did work . Now we got the first snow fall and it doesnt engage but no matter how I try to put it in the 4 wheel drive all that happens is the light just flashes on the switch, no matter what HI, LO ... Read More
I have a 1999 Chevy Blazer, about 157,000 miles Like clockwork after 30 minutes, the abs will kick in under light pressure and the abs light will come on and stay on. After turning off the car for while it turns off then will repeat. Both the wheel hubs and sensors are new, the rear one is not but I cleaned them all just to double check. Did not see any ... Read More
The first thing you should do is go to the dealer and get them to copy the diagrams from the parts catelog. There are acouple of them that show different views. Also get the pages which list the parts and description that go with the diagrams. this will help you find the baffels or doors (3) that control airflow and the parts that control them. Check the hoses at the firewall ... Read More
Issue: no heat. A/C works fine, blower works fine, but it seems when I turn the temp control knob, it turns too easily. I understand there is a baffle that the knob controls to reroute from A/C to heat, but not sure where it is or how to get to it. My thermostat is fine, but going to replace it anyway, along with a new radiator cap. Have not completed a ... Read More
The electrical problems you describe on your Jimmy sound like a(or more) wires shorting to ground. I think you should take it to a reputable repair shop.Preferrably a Chevrolet or GMC dealer. Ask around and find a good one. The part about it getting worse when you hit bumps almost assures me that something is shorting out.Did you buy it from a dealer or independant person? Can you contact the person ... Read More
Please let me know what the cause/cost of this repair was. I just experienced the same problem and I am about to park my 98 Blazer with 99k miles in the lake. Any input/reply is greatly appreciated.
I have a 99 Blazer w/63K miles when the 4 WD light came on.I went to a Chevy dealer and was told that a DTC CO323 was the problem and would cost $830.00 to fix .Additional info from dealer :Regular production option code NP8-transfer case two speed push button.Could anyone help me understand this problem ?Also if I have this fixed will my 4 WD work?? Thanks
Hello everyone, I'm new to this world of online help. After years of working on cars and being out of the business I am finally stumped. I have a 1999 Chevy Blazer 4.3 Vortec with 189,172 miles on it and still running strong.....well when i can get it started. In the past as of three years ago replaced the fuel pump and filter. Both are fine and working. I have a ... Read More
Thanks. I checked the fuse (its ok). How do I check the other? And what do I do if the selenoid is stuck?
also check your ign temp to ignition for fuel inj function. some times tthe selenoid gets stuck
check the fuse 10 amp marked tran in your fuse box but it sounds like either a selnoid problem or you have spun a gear. hopfully its a shiftr problem
my 99 chevy blazer was driving fine.we put it into reverse and backed it out of the car port. heard a clinking noise but drove it a few miles put it into park. now it will not reverse but drives ok. fluid level is fine and it does not shift to overdrive. does anyone know what the problem could be? i'm going to have it serviced but i don't want to ... Read More
i was in an accident yesterday in my 1999 chevy s10 blazer. i was going close to 30mph, and i rearended another vehicle. neither the driver or passenger airbag deployed. i was just wondering if anyone had any info about any related issues.
How much does it cost for a new starter for my vehicle?
Recently I had the joy of replacing my heater core in my 1999 Chevy Blazer. After having everything put back in I realized that I had one part and 3 screws left over. Well, after the first cold night I realized that the part I left off was my BLEND DOOR ACTUATOR. So my question is where does it go, how do I put it back in, and can I do ... Read More
I have a 1999 Chevy Blazer 4x4. In 2 wheel drive, when going on the expressway, it starts to make a noise like a "router" (high pitch grinding, that varies with speed) As I slow down, the noise lowers in pitch and I can feel a vibration that seems to be located in front of the passenger side. The noise stops after a slight "click" when I finally get down to ... Read More
1999 Chevy Blazer sorry forgot that.
Anyone know an easy step by step guide on for changing the front and rear brake pads on a 1999 Chevy Blazer 4X4? I would prefer not to buy a manual. I read the Haynes and it seemed a bit confusing...
I have a 1999 Chevy Blazer with the climate control. The problem is with my heat, it never stops. It constantly blows heat out of the vents. I can still change the direction ( defrost, floor, vents) and the speed of the blower, but cannot shut it off. The AC will not come on, the light comes on, but never any cold air, which I am thinking that it has something ... Read More
i have a 1999 chevrolet blazer 4x4 and the security light comes on steady when im driving what can the problem be ?
Could be the switch itself as its a big self contained switch and sensor with heat sinks on it about $50. Will the headlights work by rotating the dial to force them on? There is a relay under hood. The multifunction switch (turn signals/hi-low beams is in the column and possible the connector is loose or the contacts junk by your post. Again try the dial first.
I have a 1999 chevy S-10 Blazer with the automatic headlights. The sensor still turns off the daytime running lights and turns on my taillights and front running lights but the headlights no longer come on. They did come on for a couple of weeks with the tilt steering in the full up position but no longer. Looking for advice.
I think I might be having a similar problem. I have a 1999 Blazer, Trail Blazer pacakge with auto climate control. The system will blow cold, then I'll hear something squeak in the dash and all of a sudden it blows hot. Every 10-15 iseconds t switches, hot to cold. The cycle repeats when the engine is running, regardless of what position the temperature selector is at. Is that flapper box ... Read More
Default for a bad vac line is defrost so open up the hood and on the drivers side check the rubber vac lines (5/32") from the top of the engine by the PCV over to the cannister and the other assorted ones and replace the rotten out ones - the final end one in the series is the plastic one to the heater selector. Probably will have to use some pliers ... Read More
My 99 Blazer LS won't blow air out of the floor vents. When you put the selector to floor it defaults to the defrost. The defrost works well, the dash vents works well, ac blows cold and the heat blows hot. I had the pressure checked and it is within range. It's pretty cold here in Iowa and we could use some heat blowing on our feet. Any help would be ... Read More
Was wondering, I figured that my Heater core went bad when I had the puff of steam coming from the vents. I was afraid it would start leaking into the car so I unplugged the hose from the core. Can I remove and install the heater core myself (Don't have $600+) or is there something else I can do to it. I have flushed it before and it still had the ... Read More
My 1999 Chevy Blazer started to over heat . checked water it was fine .But felt best to shut it down . waited 4 hours then restart and drove 1/4 mile it over heated again , this time white smoke coming from under hood . called brother he arrives within 15 mins starts car and heavy black smoke comes from exhaust car is makeing terrible noise but he says get it ... Read More
We have a 1999 Chevy S-10 Blazer which we have now replaced the fuel pump 10 times in the last 2 years, we've also replaced the CPS, TPS, Rotor, Cap, Plugs, Wires, Ignition Module, Fuel Pump Relay, Fuel Pressure Regulator & electrical connections on fuel pump. We've also replaced the fuel filter after every pump change. The last pump lasted only 3 days. We have checked for recalls and there are ... Read More
Excellent information. I just printed the entire article out and will give it to my tech. It has to be the ABS system. It all points to that. You are good !! I will definitely keep you in the loop on this. I've already recommended this site to co-workers !! My brakes are 70% of the time acting like they need ABS when they don't (dry pavement/normal stopping. I've owned the ... Read More
I went out and looked at my 99 and you have the Kelsey-Hayes 4WAL system located on the drivers side under the hood (black cover with name on it). Looked up some info as follows: From- Motor:The nuts & bolts of Kelsey-Hayes 4WAL, Jun98 By- Black, Ludlow (partial test only from a longer article) Used on millions of GM trucks through the years, this antilock system can be a handful to ... Read More
Hi RepairDog: I have an update. I will be sending the vehicle to the shop on friday. In addition to your thoughts above, I did notice that when the brakes act up, you can also hear on the left front side a ticking sound that is in sync with the pulsation feeling I'm getting on the brakes.
I would take it to a Chevy dealer and leave it till they determine the cause - for your safety and others. If in the brake system, it sounds like a bad master cylinder, possible power brake booster leak (is the hose from it to the intake manifold good, rubber gromet good, and the connection not leaking - also the intake connection is a housing that can rotate and disconnect). This ... Read More
I have a 1999 Chevrolet Blazer that has braking problems. When I apply the brakes I get a crunching/moaning sound mixed with an ABS type feel. The more frequent the braking, the worse the problem. Just last week, I applied the brakes and didn't think they were going to work. I had my foot pressed all the way down. It finally stopped. The pads & rotors are fine. No ABS Lights ... Read More
Chevy Blazer 1999, 4 door 2wd, 92k miles For the past year or so, after about every two weeks of driving, the coolant tank will be empty and the temp gauge will start to rise until I put more coolant in. I have had the problem "fixed" twice, one of those times at a GM dealer. I've also had a pressure test and it revealed that I don't have a leak.. ... Read More
I have a pulsing/clunking noise when braking coming from my front right wheel on my 1999 Chevy Blazer 2-door 4wd V6. Normally I would assume that a pulsing means a "warped" rotor, however, I replaced the front two rotors and pads with no change. Then I thought that the guide pins/bushings might be allowing the caliper too much play to "jiggle around" so I replaced the bushings, no change. Then I ... Read More
I have a 1999 Chevy Blazer LS 4x4 and when im driving down the road the truck shifts into 4 wheel drive by itself and when i put it back into 2wd it will wait for about a minute and go back into 4wd. this is my first 4wd vehicle and i have no clue why it is doing this.
Kevin - I don't know if you fixed your wiper problem yet but it is easy and cheap to do (~$55). You need to replace the wiper control module (circuit board attached to the wiper motor) - part number is GM#12463090. Just a couple of screws and about 10 minutes of your time. (The problem is not the motor itself.)
Hey Kevin, My 1998 Chevy Blazer has been doing this for the last 5 days. Man, I have been to several auto-electrical shops and have replaced the flasher twice. Your explanation has been the best and makes the most sense of all. Just when I had reached the end of my rope. Thanks for the knot. I'll get back with you to let you know how it worked out. Peace out. ... Read More
I was wondering if anyone could help me out with either a link to information or a step-by-step here on how to remove the stock front grill from my 1999 Chevy Blazer. Thanks.
I have a 1998 Jimmy that has the same problem with the noisy signal. I think the noise is coming from a flasher switch behind the Glove Box on Passenger side. How do you get to it or do you know of a site with an illustration for location and part? Thanks.dec
;) check ur turn signal relay it's inside the cover were ur e_ brake lever release is should be a white box next to the horn relay ;) ;)
It sounds as if it is the same problem. I have had the same issue with the wipers also. Even though I finally got the clicking to stop, the wipers still won't function from time to time. This happened both before and after I cleaned the circuits in the control arm. Since the wiper function on the control arm is limited to a plastic rotating sprocket that then turns something else ... Read More
hi.. am having the same problem as you above... plus many more..if u were able to solve or have suggustions on how to, please give me a shout.....thank u... Brian
I am having a issue with my turn signal. Not sure if it is the same as yours. My signal won't work if the 4 way flasher button is up but if I push it down then the signal will work but then I the sound as if my 4 way flashers are on but they actually are not if you look at them from the outside of the Blazer. I ... Read More
I have a 1998 GMC Jimmy that had the same problem. I searched and searched for the answer, and found it late one night. The fix is relatively simple. When the turn signal is turned on little metal shavings rub off. These shavings get into the lubricant around the connectors and end up bridging the gap between circuits. So in essence, the turn signal switch is partially connected, which is why ... Read More
I am having the same problem with my 1998 Blazer it must be common
My 1999 Chevrolet Blazer started making a clicking noise today. It sounds like the turn signal flasher. The clicking sound is coming from the same little black box, on the passenger side from under the kick panel, as the turn signal click comes from. It just comes on and off on its own and sometimes when it will stay on when I've just used my turn signal. I was wondering if ... Read More
If your good with a wrench go to a pick your part junk yard and pull one. If not have a non-dealer look at it and have them pull the brake error lite code and trouble shoot from there. How's the brake fluid looking. dirty fluid can cause problems in your valves and sensors.
What you do is your call, but this will probably explain why the problem's there: http://www.troublecodes.net/articles/brkfld.shtml
If I were you I would start considering trading the Blazer in and never look back. Blazer is a well-known high maintenance vehicle. After about 5 years and 82k miles, this Blazer seems to be practically done. Chances are other costly repairs will mushroom after this repair. Also there is no guarantee the dealer's BPMV will fix the problem to your satisfaction. Brake is a crucial safety component and a mere ... Read More
My Blazer situation: 1999 Chevrolet Blazer, 4-wheel drive, 2-door, 82k miles While braking I experienced a “grinding” brake noise at the front of the Blazer along with the red brake warning light on the instrument panel. The Blazer was taken to Procare where they installed new rotors and replaced the front disc brake pads ($225). Amazingly this was the first time for any kind of brake service. When ... Read More
Hello, need some help, about a month ago I recked my driver door on my 1999 Chevey Blazer LS, I was backing up with my door open and I hit the fender on my other car. The door was torn and the holes were the pins go on the top hinges and bottom hinges broke, my door is hanging by a thread. I found a place on the net for Chevy ... Read More
My first post here! I have a 1999, Chevrolet Blazer, LS, 4WD, 2D with 77k miles. Any feedback or suggestions regarding my 3 conditions would be appreciated! 1. Air conditioner was working fine this summer. Then after sitting for 4 days, the air conditioner does not produce any cold air. Period. I checked the fuses in the dash and they appear fine. 2. Hard to believe, but I still have the ... Read More
Document ID# 389789 1999 Chevrolet/Geo Blazer - 2WD Transmitter Programming Important Different keyless entry systems are used on General Motors vehicles. The parts are not interchangeable even though the parts may appear to be similar. Observe the back of the transmitter in order to properly identify the system. On 1999 S/T pickups and utilities, use a transmitter identified with GM/UTA preceding the part number. With the driver door closed, hold down ... Read More
Hey guys (and gals). I just took my mom's 1999 Chevrolet Blazer into a local dealer to get a tranny flush and oil change. While in the service bay, they informed me that the oil cooler lines were leaking, there was a vacuum hose leak under the dash that effects the HVAC system, and the serpentine belt was cracked. The car only has 63K on the odometer. Are these problems normal? ... Read More
I am having problems with the fuel gage on my 1999 4wd Chevy LT blazer. I have a full tank and just about 3/4 tank full my gauge goes right to empty giving me a false reading. Im constantly having to stop and top off my tank on long highway trips is this a sensor problem inside the fuel tank or can this be an computer problem?? I need help.
I recently purchased a 1999 Chevy Blazer LT. It has 59,xxx miles. The other day I changed the coolant, and noticed that the coolant in the overflow reservoir had sludge in it. I proceeded and even took the reservoir off and cleaned it the best I could. Today I was checking level, and it still has some sludgy junk (not much) floating around in reservoir. I was just hoping someone could ... Read More
I have had my 99 Blazer for two years and the push buttons to change from (2HI) to (4HI) or (4LO) or (auto4WD).(4HI) only blinks and the light never stays solid --but it seems to be in (4HI)or (4LO) but it just keeps blinking(they will blink for as long as I pushed (4HI)or (4LO)-- until I push (2HI)again- and I'm back in (2HI). No other things wrong just the blinking for ... Read More
To all of you thinking about purchasing a Chevrolet Blazer of the 1999 vintage: D O N' T... I have owned mine since February of 2000. Below list shows the problems that I have encountered so far: 1. left front pinion seal: replaced twice warranty repairs. 2. fuel sending unit-warranty repair 3. fuel gauge-warranty repair 4. oil cooler lines: replaced both lines twice warranty repair first time, second time out of ... Read More