What did I break???

[gregc11514]

while replacing my thermostat on my 1989, I broke what looks like a very thin (and brittle)plastic vaccum tube. The tube is connected to the thing (?) that is held by the bracket that is held by one of the Thermostat housing bolts. Its is mounted and attached to the housing underneath the throttle cables.
Whats is it??
Where do I get one?

Also after reading about the leaves and things between the radiator and condenser, I removed the radiator, sure enough it was filled with debris. I cleaned it and reconnected everything. I filled the radiator, started the motor... I left the drain open to flush it out a bit.... I left the garden hose in the top, draining at the bottom, engine running..... well a clacking noise started from the radiator in timing with water pushing out of the top of the radiator (where the cap goes) once the engine heated up. Mind you the car was running a little hot in traffic.... all fans are working. Thats why I am replacing the thermostat... anything else I should be looking for? Temp was at 230 when I shut it all down....

I appreciated anyones help....

Greg C

 

[singledad_9]

Sounds like a vacum fitting of some sort. You might be able to pick one up at your local chevy dealer. You do need to be more descriptive with them tho.

Secondly your overheating problem sounds like you have an air pocket in the engine block. Did you try your heater and was it blowing cold air. If so, you need more coolant in your system. I don't recall but if you have a bleeder valve on or near your thermistat, you need to bleed the air out of your cooling system. Put the radiator cap on, with your engine running let the thermistat open and using a 3/8's wrench, bleed the system.

 

[Robertwav1]

The radiator could be blocked. Even though you have water passing through to the bottom, it may be the cross tubes that are blocked. You may want to investigate this.

 

[Bob Yates]

gregc11514.....I did the same thing on mine when I changed the thermostate. The tube has been discontinued from GM. I repaired mine with a piece of hose. I did not replace the plastic tube just cut a small piece of hose to join the two pieces back together again. That was 4 months ago and it is still working. Make sure your repair hose can take the heat....Good luck ....Bob Yates

 

[oldace84]

So very much heat under the hood, its hard not to break some of the brittle parts..kind of sucks, but a fact of vette life.
tony