No Heat in Car Passenger Compartment. - Chevy caprice classic/impala ss - Lt1/lt4 engine

this video is consist of a slideshow the slideshow is a manual on how to restore passenger compartment heat for the nineteen ninety six Chevrolet caprice classic also known at the impala SS (LT-1 & LT-4) other make and model may apply like the Cadillac Fleetwood Buick Roadmaster out in the club wagon the body type of these model are known as a "B" model (Body Type) condition for No-Heat inside the vehicle passenger compartment With the blower friends selected and operational in all speed climate-controlled if selected too hot and the vents still produce a cool flow of air we would first be attention to the source of our heat which would be the engine on this model we will pay attention to the heater hose on the right side of the engine runs along above the exhaust manifold connecting to the water pump the upper and lower hose are the two hoses that makes it entrance into the passenger compartment Heater-core to produce heat for all passengers the first thing a technician should do when diagnosing a No-Heat situation is to check the temperature of these two heater core hose it is very important that these two heater-core hose maintain the same operation temperature if the two most is have a different temperature chances are there is a clock in the cooling flow stream in this application most of the time a problem will occur at this junction in this junctions is a connection for the heater hose which is reduced let's take a closer look at this junction area here's a close-up look at our junction in the heater hose this portions of plastic esta partes de plástico the heat of core hose of five eight`s 5/8 size and it is reduced to three eight`s 3/8 passageway in its connection When removing this connection it his best to take this clamp off and cut the holes with a knife/blade replacing our original junction with a connector of the same five eight`s size In most application This junction will become clog if the owners failed to service the cooling system all contaminant will clog/build up in to this three eight`s passageway preventing cooling from flowing to the Heater Core by replacing this junction with a new one I highly recommend a copper five-eights (5/8) pipe which you can get in the plumbing section(store) we'll increased heating capacity and cooling flow to the heat core so this is one area Where you can investigate when the repair connection is complete it is very important that you keep the heater core hose away from the exhaust manifold and any tubular header thank you for watching my video and please stay tuned