Top 20
1994 GMC Sonoma Questions & Answers
Little heat when car is heated
when vehicles get this old and maybe there fluids havent been kept perfect over the years then yes due to sedaments in the cooliing fluid the heat core tends not to get as hot as it did when new , you can try a coolant flush , run heater while proforming a "hot" flush but do use all the normal precausions when dealing with hot engines
Fuse keeps blowing
Once a fuse blows & you replace it-- ONE Time--
then you stop
You go to wiring diagrams of the circuit with the
blown fuse & start your testing
Fuel pump stays on in 1994 gmc sonoma
for sum reason it is not building pressure could be rubber line inside of gas tank.It could be pumping gas into oil pan because of bad regulator be sure your oil pan is not full of gas
Heater hose diagram
which engine?. sl, sle OR sls?
each engines has unique hose system.
or look it up in FSM book
or alldata.com
or for free on all GMC web sites.
pretend you are on line, go to GM, then click parts then answer
all the questions, you forgot to say here, engine, trans, climate control options, etc. the there it , now and forever.
google this "GMC oem parts"
WATCH OUT. some dealers suck, no photos/drawings...
all fails no pix, and discontiuned parts. (love GM>?)
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