i have a 1997 blazer s10 4.3 4x4 4 door , 180000 miles

ok heres the problems


problems wrong right now
hesitating between 2000 -3500 on acceleration
light smell of coolant out side of truck but no coolant leak on ground
high oil pressure around 80
belts or pulley squeaking
transfer case vent line severed and leaking trans fluid
-tc seal bad and switch bad
keeps blowing courtesy fuse
rough idle

how many of these problems could be traced back to the transfer case seal leaking and causing the switch to go bad letting auto trans fluid in my vacuum lines

things i have repalced

rotor
cap
wires
plugs
water pump
pulley tensioner
pulley
belt
oil and oil filter - 5w30 3/30/11
fuel filter
air filter
4x4 vacuume actuator
radiator cap




im hoping that when i replace the seal and the switch , and blow all the remaining trans fluid out the vacuum lines that maybe the hesitation will maybe go away too ? and as for the tc vent line ..... i cant find the lil vent thing any where the line was just severed and tucked back up and was spewing trans fluid . do i just buy a new vent and tube or what ?. ill be doing all this tomorrow so plz post

i also have a new trans filter and new gasket and fluid to do when i do the seal

 

If transmission fluid were being sucked into the motor, I would imagine that it could have an effect on performance. But if it is getting sucked into the motor, chances are, the rest of the system is already full and you will have to clean out the HVAC, 4wd, and any other vacuum lines in the system before you will fully cure the hesitation if that is what is causing it.

 

ok so today i popped open the fill plug on the transfer case and of course it was completely full of trans fluid . so now its time to replace the seal . fun fun . is there anything i should know before attempting it ? what seal is the one i need ?