Transmission & Exhaust

Transmission trouble usually starts with a change in how the vehicle shifts: slipping, harsh or delayed engagement, flaring between gears, shuddering at low speed, or a warning light. Fluid that is low, dark, or smells burnt is a common early sign. Some issues are electronic, such as a faulty solenoid or sensor, and some are mechanical.

Exhaust problems are usually easier to notice. A louder exhaust, a rattle underneath, a rotten-egg smell, or exhaust odor inside the cabin all point to the exhaust system. An exhaust leak near the cabin should be checked promptly because of the carbon monoxide risk.

Both systems sit underneath the vehicle and are exposed to road debris, curb strikes, and heat. A vehicle that scraped a curb or ran over debris may show symptoms in either one.

What this service generally includes

• Transmission diagnosis. Fault codes, fluid condition, and a road test are used to narrow down the cause of a shifting problem.
• Fluid service. Transmission fluid is serviced according to the manufacturer's interval and the vehicle's condition.
• Electronic and mechanical repair. Sensors, solenoids, mounts, and external components are repaired; larger internal work is discussed first.
• Exhaust inspection. Pipes, hangers, gaskets, mufflers, and catalytic converters are checked for leaks and damage.
• Exhaust repair. Leaking gaskets, broken hangers, and damaged pipes or mufflers are repaired or replaced.
• Extended warranty claims. The archived services page said all extended warranties were accepted; bring your contract details.

What affects scope and timing

Transmission work ranges from a fluid service to a full rebuild or replacement, and the diagnosis decides where a repair falls. Electronic faults can often be fixed without opening the transmission; internal wear cannot.

For exhaust work, rust and access set the scope. A rusted flange or seized fastener can turn a gasket replacement into a section replacement. Catalytic converters vary widely in cost by vehicle.

How to prepare

Describe exactly when the shifting problem occurs: cold or warm, up or down shifts, at what speed. For exhaust noise, note whether it is louder on a cold start or when accelerating.

If you have an extended warranty, bring the contract or the administrator's phone number so that the claim can be started.

After the visit

After transmission service, watch for leaks under the vehicle and changes in shift feel over the next week. After exhaust work, listen for rattles and check that any cabin odor has gone.

Questions people ask about transmission & exhaust