Heat rise 35 degrees. Air filter was changed recently. Static pressure is .82 inWC. Combustion chamber has no areas of concern. Coils have no leaks. Cleaned indoor air circulation system. Performed gas leak search on furnace and found no leaks. Found that the combustion drainage system is leaking water iupper furnace compartment causing the Metal to rust. Also found that the exaust removal system has is pulling to many amps. Rated for 2.8 amps actual is 3.2 amps due to bearing failing in the motor. Outdoor Refrigerant pumping system has high electrical resistance casing electrical connections to become burnt. Do not recommend any repairs at this time due to age of indoor and outdoor system.