Mt. Lebanon grew up fast. Streetcar service to Pittsburgh began in 1901 and the first housing plans followed within months. When the Liberty Tubes opened in 1924, driving into the city got much easier, and the township's population multiplied during the 1920s. Much of the housing you see today along its curving streets dates from that boom and the decades after it, and part of the township is listed on the National Register of Historic Places as a historic district.
Those houses were built for the appliances of their day. The refrigerator was smaller, the range may have been a simple gas unit, and a dishwasher probably wasn't in the plan at all. Kitchens have been remodeled since, some more than once, but the walls, floors and utility runs often carry decisions made seventy or ninety years ago. When a newer appliance lives in an older kitchen, a good share of the "repairs" we look at trace back to that mismatch.
Mt. Lebanon is a township with its own home rule charter, a separate municipality from the City of Pittsburgh, so its permits and inspections run through the township rather than the city. Keep that in mind if any of the work below goes beyond a repair.
Fit: the refrigerator that almost fits
Refrigerators have grown taller, wider and deeper. In a kitchen framed around a smaller box, a new one can end up wedged into its opening. That causes real problems:
- •Trapped heat. Most refrigerators need a gap at the top, sides, or back to shed heat from the condenser. The installation guide gives the clearances for your model. A unit squeezed into a tight alcove runs longer and harder than it should.
- •Doors that can't open fully. A French-door fridge next to a wall may not open far enough to pull out the crisper drawers. People sometimes assume the drawer track is broken when the door simply can't swing past ninety degrees.
- •An uneven floor. Older floors settle. A fridge that tilts forward swings its doors shut wrong, and one that tilts back can leave the doors drifting open. Leveling the feet or rollers is often the whole fix.
If your refrigerator is in a snug built-in spot, check the manual for required clearances before assuming the cooling system is failing.
Dishwashers added after the fact
Many older kitchens gained a dishwasher decades after they were built, fitted into a cabinet bay that was never meant for one. That can mean:
- •A drain routed in a way that lets water siphon back, or that lacks the high loop or air gap the installation guide calls for, leaving standing water or odors in the tub
- •A water supply line run through a tight space, where it kinks when the unit is pushed back
- •Power supplied from a shared circuit rather than one sized for the dishwasher's heater
A dishwasher that fills and drains poorly, trips a breaker during the dry cycle, or smells even when clean is worth looking at with installation in mind, not only the machine.
Range hoods and venting
Older homes often had no ducted range hood at all, or a small fan through an exterior wall. Many remodels installed an over-the-range microwave set to recirculate, which filters grease through a charcoal filter and returns the air to the room rather than sending it outdoors.
That is a normal setup, but it has consequences. The charcoal and grease filters need regular replacement and cleaning, or the fan labors and the kitchen stays smoky. If you're adding a high-output gas range, check what the range manufacturer recommends for ventilation. Cutting a new duct through old plaster and brick is a job for a contractor, not an appliance repair.
Wiring from another era
Homes of this age have often been rewired in stages. The part you can see may be modern while the circuit feeding it is not.
- •Electric ranges need a dedicated 240-volt circuit. Older installations sometimes used a three-wire cord; many newer ranges ship expecting a four-wire connection, and the manual explains which one applies to your situation. If you're unsure what you have, ask an electrician rather than guessing.
- •Ungrounded outlets (two-slot receptacles, or three-slot ones with no ground behind them) are a concern for any appliance with a metal cabinet.
- •Shared circuits are a common reason a microwave and a toaster can't run at the same time. The appliance is fine; the circuit is overloaded.
If breakers trip, outlets feel warm, or lights dim when something starts, call an electrician. Those aren't appliance faults.
Gas lines and the connector behind the range
Natural gas ranges and dryers are common in this area. Behind each one there should be a shutoff valve within reach and a flexible connector to the appliance. In older homes you may find an old, stiff connector that has been moved many times, or a valve that's hard to turn.
A few rules that never change:
- •If you smell gas, don't operate switches or appliances. Leave the house and call your gas utility from outside.
- •Don't reuse an old flexible connector when a range is replaced or moved. Use a new one.
- •Make sure the range's anti-tip bracket is installed. It's easy to skip during a remodel and it matters, especially with small children in the house.
When the appliance itself is at fault
Once installation is ruled out, the usual suspects are the same as anywhere else: igniters on gas ranges, bake elements on electric ovens, defrost components in refrigerators, pumps and float switches in dishwashers. Our guides on microwave problems and repair-or-replace decisions cover those in more depth.
Getting a technician out
We serve Mt. Lebanon along with Upper St. Clair, Pleasant Hills and the surrounding South Hills communities; see our Mt. Lebanon and Upper St. Clair service area page. A technician diagnoses the appliance in your kitchen, explains what failed, and quotes the repair before any work begins. If the problem turns out to be wiring, gas piping or ductwork rather than the appliance, we'll tell you so you can call the right trade.
Call or book online to set up a visit.