Slipping, harsh shifts, a delay into gear or a warning light? We diagnose transmission problems carefully, because the right answer is often far cheaper than a rebuild.
Few words make a driver more nervous than "transmission." The good news is that many shifting problems aren't a failed transmission at all. Low or burnt fluid, a bad sensor, a wiring fault or a worn mount can all feel serious from the driver's seat. At Walnut Smog & Repair, we diagnose before we recommend anything major.
Automatic transmissions rely on clean fluid to cool, lubricate and apply the clutches inside. Heat breaks fluid down, and stop-and-go traffic, summer temperatures and towing all make heat. Many manufacturers call their fluid "lifetime," but that often means the lifetime of the warranty. Using the exact fluid specified for your transmission is critical.
Watch for a delay when shifting into drive or reverse, engine revs that flare between gears, harsh shifts, a shudder at steady speed, red fluid under the car, or a burnt smell. Transmission codes also keep the check engine light on, which means a smog failure, so our diagnostics process covers them.
If a transmission needs major work, we'll explain your options clearly, including what it means for an older vehicle's value. Call (626) 449-6252.
It depends on the vehicle. Many manufacturers suggest 30,000 to 60,000 miles under severe use. We'll check your fluid's condition.
Not necessarily. Low fluid, sensor or wiring faults can cause slipping. We diagnose first.
If it sets a code that turns on the check engine light, yes.
Usually red or pink and translucent. Dark brown fluid or a burnt smell means it should be checked.
Yes, including pan gaskets, cooler lines and seals.
Smog checks, failed smog repair, check engine diagnostics and complete auto repair on E Walnut St. Honest answers and fair prices.