Chevy Blazer GMC Jimmy Maintenance and Repair

mattso_99 · May 2005

my 98 has had the waterpump replaced one month ago im losing coolant a little on the ground and lot over night after a day of driving. have to add a gallon of fluid each day. yes it overheating but when you put the heat on full blast it goes down from 210f to 180f--ish on the gage. where is the thermostat? should i replace that right away? also the heat was and is stuck on, no temp adjust inside ....

m0m0f3 · May 2005

Where is the temperature sensor located on my 2000 GMC Jimmy? The temperature reading bounces up and down between the correct temperature and a temp 30 or more degrees below actual temp. How expensive is this problem to have repaired? Is it something I can do myself?

alanothen · May 2005

Did you manage to fix this problem, I have much the same with my 2000 Jimmy.
Alan.

ymibroke · May 2005

As soon as I reach 25 miles per hour in 4 wheel drive this light comes on the dash and will not let me switch out of 4 wheel drive until I stop and turn the key off then I can return to 2 wheel drive. 4 wheel drive works fine but will not let me switch back. I went to a transmission shop and they have no idea what is wrong. Please give me advice.

rlwilliams · May 2005

My blazer has about 93k miles on it and runs great only problem is that i cant drive during the night time. i have no tail lights or dash lights. everthing goes fine untill i hit a bump on the road and them soon blows the fuse. (EVERY TIME) i was told it was just a crossed wire, but how am i supposed to just "find a crossed wire" on a confusing wiring harness and plus how did it get crossed? i still dont kno what or why this problem is happening but if you do, all help is appreaciated!

john68 · May 2005

Haven't fixed it yet, I was hoping for some help from someone on this board who might have had a similar problem and solved it. Can anyone out there help, please?

isolatedpawn · May 2005

First, I had the motor replaced because of the oil filter lines. Also, it won't start for days at a time, then it will start great for months. Or overnight. Pretty much the same as the other problems I read on the board. My real question is when I shut it off, it beeps 3 times.
This was true of the old engine and the new. Also, have replaced 2 fuel pumps and fuel filters 4 times. Can anyone tell me where to find this beep code?
Thanks, Bruce

boblazer · May 2005

I am installing a new gage and need to know whier the oil presur sending unit is located on the 4.3 liter engine.

boblazer · May 2005

It sounds like you have a blown head gascket, have it chaced as soon as pausable.
Check your oil if it is higher then it should be,ie. above the full mark then this could mean you have a blown head gascket.Allso the oil will look brownish or milky, this indicates water in your oil.

Bob Morin

randallflagg · May 2005

right below the brake light under the carpeting is a small hole. insert a long neck screw driver and slide it to the right. the rear window should disengage. then you should be able to lower the tailgate. remove the paneling. should be 4 or six screws. then you can see the electric lock. most likly the plastic conector is broken off. a cheap and simple fix is a thin strip of metal. and three screws. put two screws in to the remaining plastic arm on the release servo. attach the third screw where the orginal should be. re assemble and enjoy.

its alot cheaper compared to the replacement part. and can be done under 20 minutes.

pooch · May 2005

random misfires on 1 and 2 cyl. everything that mechanic can do he has done no change in miss at all snapon computer keeps showing random misfire 1 and 2

kfnoonan · May 2005

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 also have an issue with the wipers not always working and think it is all related because they are all controlled on the same arm.

dooleey · May 2005

Yes there is a problem with that the fix requires one other person and yourself the other person needs to push up and down on the hood while you pull the lever and thats it talking from experience i would also lubricate this once openend i have had no problem sence then.

boissonr · May 2005

I own a 95 Blazer, and I got the exact same problem, except the noise loudness varies with temperature, for an unknown reason, the noise and vibration is louder between 0 to 10 celsius !
Anyway I got this problem since almost 2 years now !
1. Right bearing as been replaced first, nothing has changed
2. All bearings from the transfer case have been replaced as well, no change again.

I don't think it's worth for me to put any more money on that car but please keep me informed if anyone knows the solution...

Any ideas ??

Help!

shc · May 2005

4 wheel drive is not ment to be used on anything but dirt..the wheels rotate at different speeds during a turn and the wheel with faster rotation must skip. this will not happen on asphalt or cement only dirt,mud rocks etc. the other method of drive is called all wheel drive which is different from 4 wheel drive. signed....the voice of experence sc

shc · May 2005

I had same problem ... change spark plug wires..You can identify problem visually by looking for two wires crosing each other and a white power caused by the spark between the two wires. also could spark to a grounded location(frame)

sleukem · May 2005

My sister owns a 1998 LS 4WD Blazer. When you shift into reverse, the vehicle will make a loud popping sound as it starts to move. It doesn't do it all the time and it doesn't make a difference whether it is in 2WD or 4WD. Can someone please tell me what this is? The mechanic can't figure it out!

blazoglory · May 2005

My 1994 Chevy Blazer (S-10)'s instrument light has apparently burned out (don't know my speed, fuel level, etc). I don't believe it's the fuse, as the warning lights and sounds associated with the panel light fuse are working. The garage wants $75 to remove the dash. Is this a repair a do-it-yourself-er can manage? If so, what's the drill? Thanks

john68 · May 2005

I take it you're talking about the rear brake lights, right? If so, which side should I insert the screwdriver? Talked to the dealer's mechanic just to see what their response would be, of course they said they never heard of doing this, but I trust you have. Does it always work? What if when I lower the tailgate I can't get it back up, is that a possibility? I worry 'cause this car is garaged and if I can't get it back up, I won't be able to put it in the garage. Anyway, these are my concerns and I really thank you for responding..

joepmoore · May 2005

Check that the nob isn't stripped or cracked. Although you turn the nob the shaft its connected too isnt turning

steve72 · May 2005

I have a 2004 blazer with 21000 miles. The wife ran out of gas on an incline. She filled up the tank with about 8 or 10 gallons of gas, but the blazer still won't start. In fact, when you turn the key, the fuel gauge reads empty, and you can't hear the fuel pump engage. Don't tell me I'm going to have to take this to a mechanic all because she ran out of gas. Any suggestions?

girty · May 2005

Well I am feeling your transmission pain!! I have a 98 blazer and it started slipping at about 2 rpm region took it to a dealer like an idiot and told me the transmission is shot..not about to pay them tons to fix it so i was looking into getting a used one but I was thinking about getting it rebuilt. I dont think i will ever buy another blazer, in 2 years i have replaced the radiator, water pump, alternator, lower ball joints and now the transmission. Unbelieveable! I am glad it just isnt me having these problems that i am reading about...
Gretchen

ugarph1982 · May 2005

I have the same problem with my '00 Jimmy. I've found an OEM GM updated part for $195. The thing is that so many other things on the truck rattle that I can handle one more noise from the bearing. My question: Does the loose assembly produce a safety concern? Is there a much higher chance that it could pop off during operation and cause a huge mess, or is it simply going to be an annoyance and just fail non-catastrophically at some time? Any help would be greatly appreciated!!!

gabhanjacisa · May 2005

1989 S-10 Blazer 4x4 2.8L engine (replaced 4.3L). I bought this car in 2003, thought the a/c just needed charged. It was still an R12 system. I decided not to convert to R134 and I bought a product called Freeze12 and followed the directions. In a nutshell, I have replaced a leaking high pressure discharge hose. There are no leaks at all in the system. There is a full charge of Freeze12 in the system. I put on a new low pressure switch on the accumulator. The clutch engages then disengages continuously (start-stop-start-stop, etc.), like it did before I replaced this switch. If I jump the low pressure switch, the clutch runs like it should, but no cold air at any time. The belt is not squeeling, as I believe it would be if the compressor was bad. If I drive with the a/c or defroster on (whether with the jumper on or using the switch like I should), the a/c-heater fuse blows in a very short time. I can only drive with the heater or the vent on without the fuse blowing, but I get vent air coming out of the floor heater and front window defroster if I have the control switch set to Heater, and vent air coming out of the floor heater and vents if I have the control switch set Vent. No cold air blows at any time. (The air coming out of the wrong vents was a problem before I did any under-the-hood a/c work, and I previously replaced the entire heater-a/c controls on the dash, as well as the blower switch, to no avail.)

Suggestions appreciated.

geoffafloat · May 2005

I have a 2000 Blazer which I bought new. I have replaced both left and right front wheel bearing hubs and upper and lower ball joints. These part failures started right around 30,000 miles with the latest problem a left front bearing hub at 56,000. Today my Blazer is in the shop for a front right wheel bearing second time replacement at 61,000 miles. The right was replaced in February 04 with 50,000 miles on the vehicle so I didn't get very many miles out of and it's out of warranty. Anyway the wheel bearing was making a loud humming sometimes howling sound. These repairs are still less than a new car payment but I am disappointed with this vehicle and because of this experience I won't buy GM again.

shadowblade28 · May 2005

Your Service Engine Soon light blinks only for type A Miss-fires. The oil/Coolant leaks could be shorting out your Ignition system. If not that then your plugs may be Fouled, or wires may need replacing. As a side note, Check Timing chain for ware, should be checked after 100k. Check bottom of heads for leaks. You may need head job. Both antifreeze and oil are in the heads and may be leaking from same place.

joevette · May 2005

Whenever I press and release the brakes on my 96 blazer LS, there is a loud noise that appears to be coming from right front side. Have changed the rotor, calapier, brake pads, and shocks. Need help finding out what's causing the noise and how to fix it

geoffafloat · May 2005

A follow up on message 1275.
I got my 2000 Blazer back with a new right front wheel bearing hub yesterday. No charge for the hub or labor to replace it. I have my work done by a local garage and they are mostly less expensive than the Chevy dealer. I was real happy that they replaced the hub at no charge. The mechanic felt the life span of this NAPA part should have been 50000 + miles . Find a good local mechanic and take all your business to them and you'll be amazed at how much money you'll save not to mention much better customer service.

crashon290 · May 2005

Re: no power when driving ???? Any one find a fix?

y2kdoc · May 2005

not real sure but if you mean the interior or the lights. I had this once and all i did was cut on the high light switch and off and then cut the lights of and then back on and they came on weird. had no problem since. may be a short. then once the dome and panel would not work and we have an override button, if you have one all i did was kept pushing it in and out and finally it cam back on and had not had a problem since either. dont know if this will help just a sugesstion.

bunsign · May 2005

I have a 1995 Blazer 4x4 the problem i am having with it is that after I start my truck and put it in to gear it starts shaking. The shaking is light but enough to annoy the heck out of me. also I have a service engine soon light on all the time, also there is black smoke coming out of the exhaust if I hit the gas really hard a big cloud of it comes out. I have had the fuel injector replaced the EGR valve replace and both of the O2 sensors. One of the guys I know told me that he thinks that the seal to one of my Pistons is broken and that there is oil going in there that is why there is black smoke and the shaking. Please someone give me some advise to this problem I am going out of my mind.

tsoesbe · May 2005

we have a 2001 blazer, when the fuel gauge gets down to just below half, it stops moving, then it jumps back to full, then down to empty and the low fuel light comes on, then back to half. All in less then 10 seconds. does anybody have any ideas what this might mean.

commdb · May 2005

I also feel your pain, I have a 98 LS 4-wheel drive, it only has 60K miles, and in the last year I have went through 3 sets of front breaks, 2 sets of back. Lower control arm stoppers on both sides of the front. A passenger side wheel hub. Battery and it's connection cables spark plugs and wires, rotor and cap, transmission (I lost 3rd and 4th on my way from St. Louis to Indianapolis). And now I have begun the process of changing the front lower ball joints, Rotors and calipers. And not sure what needs fixed, but the back brakes are not engaging at all.

bedrock1 · May 2005

I have a 93 blazer s-10. It has a 4.3L Vortec V-6. Recently i was driving it and it started dieing on me. The pump was bad. I replaced the pump and the filter, and it still wouldnt start. My neighbor is a mechanic, and he checked it out and said that the injector system was bad. I replace that whole thing and it still wont start. When we first started to turn it over after replacing all this, It sound like it was trying to go for a minute, and then nothing. I have pulled and replaced all plugs, wires, cap, roter and everything. I have checked the plugs and they are dry as a bone. I have good pressure to the Spider legged looking injector box, but nothing out of the injectors. All my wires have spark, trust me it hurt. Please help, htis is getting really expensive.

bruiser919 · May 2005

Please help: I've had it into 2 different mechanics who keep changing parts but have not fixed the initial problem. When I am driving and come to a stop or slow the truck will die. Also occasionally while driving I can have my gas pedal all the way to the floor and it's not doing anything. Almost like it's not getting gas. When it dies sometimes it will start immed. and sometimes it won't. Tired of tow truck and garages. Can someone please help.

Thanks Donna

mblose · May 2005

I'm stuck in the middle of replacing the water pump on my '98 Jimmy. I can't get the fan off. It appears to thread on to the water pump (based on looking at the new one). I snapped off 2 "pulley to pump" bolts trying t oresist the fan nut. Any suggestions?

bruiser919 · May 2005

Hi Cinabug, I have a very similar problem with my 91' Jimmy, have you gotten yours fixed yet and if so what was the problem with it? I have had mine into two different mechanics and they have been replacing parts (many of the same you've listed) and yet I am still faced with the initial problem. $700.00 later and still end up on the back of a tow truck. Please reply. Thanks Donna

bruiser919 · May 2005

I have a 91' Jimmy and the dash light for the anti-lock brake system remains on all the time. At first it would come and go , but for the last while it just stays on. I have replaced both front and rear brakes, but the light hasn't gone out? Anyone know why or what I need to do to fix this? :confuse:

bruiser919 · May 2005

its easy get a really nice truck for 6000$$

alcan · June 2005

Jumper terminals A and H on the data link connector, key on, count the flashes on the light and post them.

proux · June 2005

The positive side of my battery fell or disconnected while I was driving. I got the car towed to my in-laws' house. The battery was disconnected (for at least 24 hours) and I bought a new one. After putting in the new battery, my car won't start. The engine will not turn over. It is a 2000 with that Passlock anti-theft alarm. I have a feeling that it has something to do with the alarm because I can't hear the fuel pump work. I would hope that the fuel pump isn't going already. Maybe the battery shorted something? I have tried turning the key to the "on" position for 15 mins. 3 times (to reset the computer, or alarm?) and that didn't work. It has 75,000 miles on it. I;m lost and any suggestions would be greatly appreciated.

ts62 · June 2005

I have a 93 GMC Jimmy with a 4.3 V6 Vortec. It wont start. It runs all day if I spray fuel into the intake. Based on what the computor said I replaced the spider injector, the map sensor and the fuel pump. Fuel is getting to the fuel line access fitting. Could it be the ECM. Any thoughts?

jwa99 · June 2005

My 99 runs rough at idle and can smell gas inside vehicle. SES light comes on intermittantly. I had it checked, said it waqs misfiring on 1-3-5. I have had new wires and plugs put on. Any suggestions.

jondoe171 · June 2005

had the same problem on my 2000. would go down to 1/4 and no lower and then shoot up to full for a while and then back to 1/4 and then the low fuel light came on eventually...... the chevy dealer fixed it by replacing a circuit board in the fuel tank. some sort of fuel sensor board. This will solve your problem but its nothing you can do .....take it in to a mechanic

breakdown · June 2005

Did you check the fuel regulator?

gfjimmy · June 2005

i have the same problem with the heater/air conditioner going back and forth, continuously. my mechanic thinks it may the the automatic climate control system. have you found anything yet? thanks.

bgiffin52 · June 2005

I had one problem with the EGR valve...this was a recall item.

Another situation was a bad injection valve and finally the pump in the gas tank....seems the gas tank must hold preassure to drive gas through the system.

blazer5 · June 2005

I just finished a valve job with new O2 sensor, plugs/wires,Cat,muffler/pipes, all filters, etc. When I tried to start it it backed-fired and would not start. Could the Distributor be 180 degrees off when I replaced it? Or is some other problem to blame. Can someone help solved this problem? Thanks.

jimmyjohn · June 2005

I just installed a amplifier in my Jimmy. However, when I was connecting the power wire to the fuse box under the hood I accidently touch the wire to a piece of metal and sparks flew for second. NOW, the entire car is dead, changed the fuses (all of them inside and out) and the starter relay. The truck is still completely dead. Someone Pleeeeeeeeease help me if you could this is my means of transportation. Thanks

mzlyoness · June 2005

I love my truck, and I loved it a little too much in the past few months. I wasn't able to get my brakes done when they should have, and now I have surely damaged the rotors. My question is, can I do this myself? I've done brake jobs before, just not on an SUV. I'm a single mom, so I have to work my money pretty carefully. The job to replace the brakes and rotors - which I did last year about this time - is simply more than I can afford. I haven't really driven my truck in weeks and I miss it terribly. I'm a pretty strong girl, and I take directions well. If I pick up the repair manual and do the job myself, am I putting myself and my child in danger? The alternative is to attempt to get the job done next month when I can save up the $600+ I'll need to take it to a shop. Last year's brake job was the first for me, I bought it used in Oct 03 with about 56k miles.

Chevy Blazer GMC Jimmy Maintenance and Repair

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