Last post on Jul 16, 2013 at 4:58 PM
You are in the Chevrolet Blazer
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Chevrolet Blazer, GMC Jimmy, SUV
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#3653 of 3676 Re: 1999 Chevy Blazer [tikaani]
Nov 10, 2011 (9:42 pm)
Check and replace Disributor cap. Especially if this slow start issue occures on rainy or humid days more then any other.
#3654 of 3676 Re: 2001 GMC GIMMY STARTING ISSUES! [ronna767]
Nov 10, 2011 (9:48 pm)
Check and replace the destributor cap. They carrode inside, and have a tendency to collect moisture.
#3655 of 3676 replacement headlights?
Nov 16, 2011 (11:05 am)
What are the best non-hid replacement halogen headlight bulbs for our vehicles?
#3656 of 3676 Re: replacement headlights? [alex85061]
Nov 16, 2011 (1:56 pm)
I like Sylvania Silverstar sealed beam headlights for my 1991 S10 Blazer.
#3657 of 3676 99 Blazer 4x4 4.3 L poss. transmission problem?
Dec 29, 2011 (6:59 pm)
My 99 4x4 blazer (160K miles) has had some problems with shifting for about a year now. The problem is intermittent, only begins after driving for long periods of time highway or city driving. Seems worse when the engine is hot.. Shifting gets very jerky between 1st and 2nd gears, also between 2nd and 3rd. Again, this problem only occurs after driving it for a while.
Any insights? My boyfriend and I are expecting and would really like to fix this problem so I'll have a reliable car to cart the peanut around in.. He's very capable and willing to look into any suggestions you might have. Great with troubleshooting, just needs to know where to start the search!
Should I get a transmission flush? Do you think it's a connector issue? I'm really hoping it's not my transmission that needs replacing!
#3658 of 3676 Re: 99 Blazer 4x4 4.3 L poss. transmission problem? [miss_jessica]
by MrShift@Edmunds HOST
Jan 02, 2012 (2:57 pm)
NO! Don't get a "flush" but you could certainly opt for a transmission fluid drop, with a new filter. This is also a good time to examine the old fluid for signs of metal debris. Also, don't use additives. Do the fluid change and see how it goes from there. This is an old transmission so don't do anything drastic to it.
#3659 of 3676 Re: 99 Blazer 4x4 4.3 L poss. transmission problem? [miss_jessica]
Jan 04, 2012 (9:49 am)
I agree with Mr. Shiftright, a flush is only good for the shop doing it, not for the transmission.
This kind of hard shifting is almost always due to the line pressure in the transmission being too high. There are several possible causes. The PCM computer is supposed to regulate the pressure based on the driving conditions. For example, more pressure for high RPM shifts, less pressure for slow speed shifts. so it could be a computer issue or a pressure regulator valve issue, or something else.
I think your first step should be to take it to a local (not chain) transmission shop for a filter and fluid change. Ask them to read the codes associated with the trans. Then you will have some knowledge of what to do next.
The design life of these transmissions is 70,000 miles, to last through the 50,000 mile warranty period and then a little more, so be prepared since you are already into the third life.
#3660 of 3676 Re: 4 WHEEL DRIVE LIGHTS BLINK WHEN I PUSH THEM [smileyfedex]
Feb 12, 2012 (8:01 am)
I have had the same problem!! It's not the computer or the push-button 4x4, it's the 4x4 "Diaphragm" "Accuator" for the 4x4 under the "Battery" Plate. Remove the "Battery" then remove the "Battery" "Plate", under it is a round rubber "Diaphragm" that has a really thin rubber outside. Sometimes Salt, Battery Acid, or Weathering can cause this part to crack and loose it's suction. (And sometimes it could just be the vacuum hose connected to the bottom of the Diaphragm has popped off.) If thats the case just put the hose back on and put a tie wrap around it. Or the metal clip that holds the 4x4 cable to the "Diaphragm" has rusted and needs to be replaced. It's very easy to do and a new "Diaphragm" isn't alot of money. I hope this helps!!!
#3661 of 3676 Re: 1994 blazer HELP!!!!!!! [robmonahan]
Mar 06, 2012 (11:52 am)
I know this is a little late on a possible answer, but this may help. First off the advice to wiggle wires with an ammeter in line won't really help much since the fuse blows and you don't get an indication. Since you are blowing the ignition/gauges fuse it IS a primary wire. A primary wire is a large gauge wire, usually red. Do this at night since blowing this type of fuse will cause the problem wire to flash where it is rubbing. Use an old fiberglass fishing rod or a dowel and push the wires around under the hood with the ignition on but without the engine running. Hopefully you will find the offending wire rubbing on some assembly where you may not have to tease the wire out of a bundle going through the fire wall.
#3662 of 3676 Re: Fuse & Electrical Prblems - UPDATE!! [leoandme]
Mar 25, 2012 (10:56 am)
OMG!!! Wish we would have found this article a month and $$'s earlier. My husband was having the same exact issues with his 96 Jimmy. I told him about your aritcle and the solution. He went out unplugged the plug and presto everything works and no more blown fuses!! Thank you for all the help this has given us!!!!!