Proudly serving Porsche owners throughout the Inland Empire including Montclair, Ontario, Claremont, Upland, Rancho Cucamonga, Pomona, San Dimas, and Riverside, CA.
Conveniently located at the 10 fwy and Central Ave exit.
Porsche Transmission Repair/Service in Montclair CA
Trusted by Porsche owners across Southern California for 25+ years.
Porsche Transmission Repair | 911 Design – Montclair, CA
TRANSMISSION SERVICE AND REPAIR
When it comes to Porsche transmission service and repair, trust the expertise of our skilled technicians. We understand the intricacies of Porsche transmissions and have the knowledge and experience to diagnose and address any issues that may arise. Whether it’s a faulty clutch, worn-out gears, or transmission fluid leaks, or even if the transmission needs to be rebuilt, we employ cutting-edge diagnostic tools and genuine Porsche parts to ensure a precise and reliable service or repair. Rest assured that your Porsche’s transmission will be restored to its optimal performance, allowing you to enjoy a smooth and exhilarating driving experience.
We also offer a curated selection of the best aftermarket upgrade components for your Porsche transmission and can install them for you for added convenience. Browse our collection of clutch kits, flywheels, and short shifters at our online parts store.
PORSCHE TRANSMISSION TYPES WE SERVICE
Porsche has used several distinct transmission systems across its model lineup, each with its own service requirements and common failure points. Our technicians are experienced with all of them:
Manual (G50/G96/G97) — Found in air-cooled and early water-cooled 911s through the 997 generation. These transmissions are known for longevity when properly maintained, but clutch wear, synchro wear, and shift linkage issues are common in high-mileage examples.
PDK (Porsche Doppelkupplung) — The dual-clutch automated transmission found in 997.2, 991, 992, Panamera, and Cayenne models. PDK service includes fluid and filter changes at regular intervals — typically every 40,000 miles. Neglecting PDK fluid is one of the most common and costly mistakes Porsche owners make.
Tiptronic — The traditional automatic transmission found in older Cayenne, Panamera, and some 996/997 models. Tiptronic service includes fluid changes, filter replacement, and valve body inspection.
COMMON PORSCHE TRANSMISSION SYMPTOMS
If you notice any of the following, schedule a transmission inspection as soon as possible:
- Difficulty shifting or grinding between gears
- Jerky or hesitant shifts on a PDK-equipped vehicle
- Transmission fluid leak under the vehicle
- Clutch slipping or not fully engaging
- Unusual noises in neutral or during gear changes
- Warning lights related to transmission or drivetrain
Early diagnosis almost always results in a less costly repair. Ignored symptoms tend to escalate quickly with Porsche transmissions.
WHAT'S INCLUDED IN A PORSCHE TRANSMISSION SERVICE
A routine transmission service at 911 Design typically includes:
- Transmission fluid drain and refill with manufacturer-specified fluid
- Filter replacement where applicable (PDK and Tiptronic)
- Inspection of seals, gaskets, and mounts for leaks
- Clutch inspection on manual transmission vehicles
- Diagnostic scan for transmission-related fault codes
- Road test to verify shift quality and performance
FREQUENTLY ASKED QUESTIONS
How often should I service my Porsche PDK transmission?
Porsche recommends PDK fluid and filter changes approximately every 40,000 miles under normal driving conditions. If you drive aggressively or track your car, we recommend every 20,000 miles. Many owners skip this service entirely — it's one of the most common issues we see on higher-mileage PDK cars.
How much does Porsche transmission repair cost?
Cost varies significantly depending on what's needed. A routine PDK fluid service is straightforward and relatively affordable. A clutch replacement on a manual 911 or a PDK rebuild is a more involved job. We provide a full written estimate before any work begins.
Can you rebuild a Porsche PDK or manual transmission?
Yes. Our technicians have the tools and experience to perform complete transmission rebuilds in-house for both PDK and manual Porsche transmissions across all generations.
Do you service Porsche Cayenne and Panamera transmissions?
Yes. We service Tiptronic and PDK transmissions across the full Porsche lineup including Cayenne, Panamera, Macan, Boxster, and Cayman in addition to the 911.
