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 Where is the orifice tube on a 1991 chevy silverado Since about mid-year 1991, the orifice will be in the lower line on the condenser, so you'll have to remove the grille to access it. Early 1991-back to 1988, it was in the lower line off the evaporator. The orifice tube restricts the flow of refrigerant to the evaporator. This restriction allows high pressure liquid Freon to change into low pressure Freon before entering the evaporator. The orifice tube is located inside the hose running between the condenser and the evaporator. You'll need an orifice tube removal kit if you are looking to remove it. Its not that cut and dried, First you will need the refrigerant recovered, then take the old one out. It should be in the small line entering the evaporator. Take it out, if there is metal shavings on it, then you need to replace the compressor and flush the condenser, or replace the condenser. the short end (looking at the o-ring) goes in towards the rear of the car. Then you wi...

 List of Most Common Problems with the Saab 9-3 The Saab 9-3 is a popular, high quality executive car. If you like efficient motoring that puts a lot of power underneath the pedal, then this is a great place to start. Originally unleashed on the motoring public back in 1998, various iterations of the vehicle have featured a range of power systems including 1.8t BioPower and 2.8T V6 Diesel engines. After the success of the Saab 900 and subsequent growth of the company through the late 90′, our favorite car company came out with a completely new car in 2003, as a continuation of the 9-3 name. Commonly referred to as the Sport Sedan, 9-3ss, or 9440 chassis (as opposed to the outgoing 9400 body style), these cars are coming down pretty sharply in price. Because of that, like the Saab 9-5, it is possible to buy a fantastic car for pennies on the dollar (we picked up a running 9-3ss for our next race car for $500). You should be able to find a good selection of Saab 9-3s available on the...

 After replacing the oil seals, oil started coming our from the valve cover ventilation Excessive oil consumption and leak The tell-tale sign of a valve cover gasket that has lost its seal is an oil-covered valve cover or a burning oil smell when the engine is running. As oil leaks from a valve cover, it can contact a hot exhaust manifold and burn. A valve cover can leak oil while the engine is running, but not while the engine is at rest. What causes oil to leak from a crankcase through an air filter The oil doesn't leak from the air filter rather it would be right if we call it from the crankcase this is intentionally done so as to release excess pressure from the crankcase because of blow by that allows exhaust gases to seep through piston ring gaps it continuously fills up the crankcase with huge amount of exhaust gases and at a high pressure and this must be released somewhere either in the atmosphere or right in the cylinders so that they can be burned so engineers decided to...

 FORD MUSTANG FUSE AND RELAY DIAGRAM see if this helps:  

 1988 Lincoln fuse box diagram..gauges..cluster I have your diagram 

TOYOTA FUEL INJECTION RELAY / STARTER RELAY LOCATION DIAGRAM you could pull the fuel injection relay (EFI relay) or the  starter  relay for example. Here's' a diagram that shows both, in the fuse/relay box under the hood:  

 FORD EXPLORER FUSE BOX DIAGRAM FORD EXPLORER FUSE BOX