Radiator hoses? Heater hoses? Vacuum hoses? EVAP hoses? Need more info to help you.
A vacuum diagram for a 1995 Chevy S10 Blazer 4.3 will show the various vacuum hoses and components connected to the engine. It typically includes labels for each hose and component, indicating their functions and the connection points. The diagram is used for diagnosing and troubleshooting issues related to the vacuum system of the vehicle.
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It doesn't have or need a line connected to it. The spider is inside the vacuum chamber.
A plugged catalytic converter could do that.
Plugged/damaged catalytic converter.
three hoses that run from the top of the tranny down around the tranny and then back up to the engine
which hoses???????? you need to be more presice
You have a vacuum line disconnected probably under the hood. The HVAC controls are operated by vacuum and when there is no vacuum it system goes into defrost mode.
when i was tring to find a vacuum leak on my s10 i just used carbarater cleaner. and sprayed it around all the hoses and if it reves up that's where it is leaking.
Test it with a vacuum gauge.
5/8