Gearbox repair in Helsinki

The transmission is one of the most important and complex parts of a car. If you feel jerking, noises, or vibrations when shifting, it may indicate a malfunction. 1A Renkaat provides professional repair of automatic (AT) and manual (MT) transmissions with quality assurance and thorough diagnostics.

We perform precise diagnostics, use reliable spare parts (original or high-quality alternatives), and repair all transmission faults regardless of complexity.

We also offer a wide range of wheels and tires and provide professional installation — browse our catalog and choose the perfect set.

Address: Akkutie 2a, Helsinki. Quick appointment, fair prices, and experienced technicians.

What types of transmissions do we repair? 

• Manual transmissions (MT)
 
• Automatic transmissions (AT)
 
• Robotic transmissions (DSG, Tiptronic)
 
• Continuously variable transmissions (CVT) — by agreement
 
• Transfer cases and differentials for AWD systems

When does your transmission need repair 

• Jerking during gear changes
 
• Gears do not engage properly or get stuck
 
• Vibrations or humming while driving
 
• Engine revs increase without acceleration
 
• Jerking when starting from a stop
 
• Transmission fluid leaks
 
• Transmission warning light on the dashboard

Steps of transmission repair at 1A Renkaat 

• Comprehensive diagnostics (electronic and mechanical components)
 
• Transmission removal
 
• Disassembly and inspection of components
 
• Replacement of damaged parts, filters, and oil
 
• Reassembly, installation, and system calibration
 
• Final testing on bench or road

We use only high-quality oils and filters, and select parts based on the manufacturer’s recommendations.

What kind of spare parts do we use?

• OEM parts — for maximum durability
 
• Class A parts — certified high-quality alternatives
 
• Class B parts — budget options upon customer request

We always advise on spare part selection and recommend the best option for value and quality.

Why choose 1A Renkaat? 

• Over 10 years of experience in transmission repair
 
• We repair AT, MT, DSG, and CVT systems
 
• Modern diagnostics equipment
 
• Personalized approach for every car
 
• Repairs with warranty
 
• Transparent pricing — no hidden fees

Frequently Asked Questions

How much does transmission repair cost?
The price depends on the transmission type, issue, and spare part prices. We provide an exact quote after diagnostics.

Can the fluid be changed without a full repair?
Yes, a partial or complete oil change can be done without repair.

How long does the repair take?
Usually 1–3 business days depending on job complexity and part availability.

Is there a warranty on the repair?
Yes. We provide a 3–12 month warranty depending on the scope and parts used.

Do you offer standalone transmission diagnostics?
Yes, we offer diagnostics even if no repair is required.

How to book diagnostics or repair?

Address: Akkutie 2a, Helsinki
Phone: +358 40 481 7479
Contact us — we’ll restore your transmission reliably and affordably
Opening hours: Mon–Sun 9:00–19:00

1A Renkaat — trusted transmission repair in Helsinki.
We identify the exact cause of the fault, provide a solution, and restore your car’s performance with professionalism and efficiency.