Car raised on a lift for transmission and auto repair
Transmissions · Diagnostics · Auto repair

Transmission repair and rebuilds in Phoenix.

Shift Masters is an ASE-certified shop on North 43rd Avenue. We diagnose, rebuild and replace transmissions, and fix the rest of the car too: brakes, A/C, engines and routine maintenance, for cars, trucks, imports and fleets.

Certified by
ASE Certified logoASE certified shop
What we fix

Three ways we can help

Transmission rebuild & replacement

Diagnosis first, then a rebuild or a replacement unit, whichever your vehicle actually needs. Detailed estimate before any work starts.

Transmission diagnostics & service

A thorough inspection and testing to find the exact issue, with a detailed written report. Fluid service and leak repair too.

General auto repair & fleets

Brakes, A/C, engine diagnostics and routine maintenance on cars and trucks, plus fleet maintenance for local businesses.

Mechanic repairing an automatic transmission on a workbench
How it works

Four steps, no surprises

  1. 01Call the shopTell us the year, make and model, and what the car is doing. We book you in.
  2. 02DiagnosisA thorough inspection and testing to find the exact issue. We review the findings with you in clear terms.
  3. 03Upfront estimateA detailed quote with no hidden fees. No work is performed without your agreement.
  4. 04The repairRepaired and handed back, with our 3 years or 36,000 miles warranty on parts and labor.
Kind words

What customers said afterwards

ASEcertified shop
6 daysopen a week
Mark and Ken are stand up dudes that look out for their customers. Stayed within my budget and top notch service. Thanks guys, customer for life!
Shawn SmithCustomer reviewFrom our customers
Mike and his staff are such honest hardworking men! Thank you for giving me an extremely competitive price for my transmission amd differential service for my BMW! Car was done lickity split for the best price I could find! Cheers
Jesse MaiwaldBMW transmission serviceFrom our customers
These Guys are amazing. Dropped my Truck off on Monday mid day and they had it done by 3 on Wednesday. They kept me informed on the progress and returned calls promptly. Their customer service is a 10 star rating. At this point I couldn't be more satisfied with the quality of work. I recommend this place to anyone.
AZ JAYCEETruck repairFrom our customers
Questions

Before you book

Anything not covered here, call the shop on (602) 612-4198.

Areas we serve

Phoenix, Glendale, Tolleson, Avondale, Laveen, Goodyear, Litchfield Park, Peoria, Sun City, Surprise, Buckeye, Scottsdale, Paradise Valley, Tempe, Mesa, Chandler, Gilbert, Cave Creek, Queen Creek, San Tan Valley and Apache Junction.

Where we work →
How do you ensure pricing transparency before repairs begin?

We provide detailed, upfront estimates with no hidden fees, so you know exactly what to expect. Pricing transparency is a core part of our commitment, and all work is approved by you before repairs start, giving you complete confidence.

What steps are included in your diagnostic process for transmissions?

Our transmission diagnostic process begins with a thorough inspection and advanced testing to identify the exact issue. We review all findings with you in clear terms, so you can make informed decisions about repairs. You also receive a detailed written report for complete transparency and peace of mind.

What transmission service options do you offer for different issues?

We provide transmission rebuilds, replacements, and maintenance services for all vehicle types. The best option depends on your vehicle's condition and performance needs. After a full inspection, our team gives clear, honest recommendations so you can choose the right solution with confidence.

How are quotes provided, and are they binding?

We provide clear, detailed quotes that outline all costs before any work begins. Once you approve a quote, it remains binding unless the repair scope changes. No work is performed without your agreement, ensuring full transparency and control over your service costs.