check the vacuum diaphragm for leaks. Might be a hole in the vacuum line.
A likely cause is that the front vacuum line is disconnected. My truck would lose 4x4 in mud or snow because the vacuum line pulled loose. Not a real handy feature for a 4x4.
can I put a 99 Chevy 4l60e transmission in my 86 k5 chevy blazer
the hub is controlled by a vacuum line. It is broken, loose or otherwise leaky.
Defective modulator valve.
sounds to me like your front end is not disengaging, bad actuator under battery.
what all i need to take a water pump on a 99 Chevy blazer what all i need to take a water pump on a 99 Chevy blazer what all i need to take a water pump on a 99 Chevy blazer what all i need to take a water pump on a 99 Chevy blazer
YES it does.
The AC does not blow on the main front vents. Only rear and defrost.
if 4x4 its on the transfer case
NO. The bellhousing is different on the 96 model. Won't work.
vacumn line came off on the backside cant find were to put it back on?
The 99 Blazer could be sluggish for several reasons. Check the air filter fuel pressure and EGR valve for a start.
how to rebuild a automatic transmissions on a 99 4x4 4.0 ford ranger
Above the alternator. It is round and has a vacuum line connected to it. The fuel rail has to be removed to replace it.
If they are both 4x2 and 4.3 engines then yes it will fit, but it will not wire up the same give that the '91 is most likely a 700R4 and the '99 is most likely a 4L60E. One is vacuum controlled the other is computer controlled.
what is recomended when replacing timing chain in 99 blazer with a 4.3 v6
235 75 15
My buddy has a '99 ZR2 with a 5 speed.
They will fit on a 4x4, not on a 2wd.They will fit on a 4x4, not on a 2wd.