I have a 1991 S10 Blazer as well. How to unistall and reinstall is simple, all 1991 Chevy s-10 model truck and blazers have the main computer located on the passenger side under dash, look under the dash and youll see a metal bracket unlike all other screws with a small screw, unscrew it, and the computer should drop down, unplug al … l 4 wiring clips, to replace simply reverse the same steps. You'll have to remove the piece of the dash under the glove department, then remove the glove department itself by taking out the … screws on it's hinges in order to gain access to the flasher. This switch is a very common problem. The vehicle cruise control activated once while driving.
The dealer continues to repair the problem, but it doesn't solve it. The vehicle has been at the dealer 4 times with-in 35 days. Tighten every other one a bit at a time. But the worst problem is that the fluid caused the heater controls, also vacuum activated, not to work properly so that the vehicle windshield could not be defogged or defrosted, which is a safety problem because of the lack of visibility. Put the new plug in.
Put Blazer on jack stands. It has a picture, but it's not there on a 4x4. From the top of the engine compartment, match the length of a new wire with the old one. Check for vac coming in and out of this switch if no vac out replace it. The cables handle is conveniently routed under the dash. If the 6-cyl came with the 4L60E as well, I don't think you would have any problems swapping them; however, I'm not totally sure.
Check for vac coming in and out of this switch if no vac out replace it. Most of the time you will need to loosen the exahaust. . The Chilton's manuals are pretty good - but they are not perfect. The Haynes manual says it is located underneath, drivers side of the block, just ahead of the oil filter. Where could I find an illistration of the vaccuum lines? Placing the vehicles transfer case in 4-wheel drive and pulling the Posi-Lok cable handle slides the shift fork and collar to connect the freewheeling right axle to the driven left axle.
Both front wheels are now engaged and pulling the vehicle. You'll need a timing light and other wrenches. When you push your button you can actually hear the encoder motor and also the relay behind the glove box. In all cases, just alternate bolts. Remove actuator and manually engage shifting collar with a screwdriver still does not turn then inner axle is twisted. Check for vac coming in and out of this switch if no vac out replace it. Engaging the transfer case and pulling the Posi-Lok handle will slide the shift fork and collar to connect the freewheeling right axle to the driven left axle.
This switch is a very common problem. Chilton's manual says to remove front bumper, then remove body to frame mounts. They can actually seize up from not being used. Both front wheels are now engaged and pulling the vehicle. It is hard to remove the wire connections. This switch is a very common problem. .
Pull the cap, leave the plug wires connected. Mine has the model number stamped on it. Then do the same thing to the other two bolts. This vacuum system is prone to failure due to frozen diaphragm, loss of vacuum, hard or cracked vacuum hoses, or complete loss of vacuum lines. Ok, don't you mean S-10? The engine would also miss. The dealer had to replace all the actuators 5 , the vacuum tank, the vacuum lines and the heater control.
With a pencil, mark where the rotor ends are Pull the old rotor, put the new rotor on, there should be at least 1 flat side on the rotor stem, if not, line the ends of new rotor to the pencil marks. I personally have had problems with the vacuum switch and the vacuum actuator. On average, this will give you the ability to pull a 22' to 26' camping trailer with a tandem axle without too many problems. Currently the system will not dis-engage and the vehicle is stuck in 4-wheel drive low. You can find them at most parts stores in the help section 49315. You can find them at most parts stores in the help section 49315.
Remove the plug with your hands. I believe it is on the passenger side, about halfway up the bell housing. Rinse, repe … at until tight. Starting with the forward most plug - Slide the Plug socket on the old plug, put the double U joint on the socket then the ratchet handle. Other post have also stated that the 4wd switch could be faulty, and can easily burn out. The dealer has had to replace the encoder actuator motor and the modular 2-3 times already and once again the vehicle is back in the shop, needing another modular. On four bolt wheels, tighten one a bit, than do the one across from it.