Trusted specialists for 50+ years on the Sunshine Coast

Ron Hill Automatics Sunshine Coast

Trusted Automatic Transmission Specialists Since 1975

Honest advice, upfront pricing and dependable service for the vehicles we know best

Complete Transmission Solutions

Expert automatic transmission services supported by trusted technicians

From preventative servicing to advanced transmission upgrades, we provide reliable solutions that keep your vehicle operating as it should. Every service is supported by decades of expertise, genuine care and a peace of mind warranty.

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Drivers return to us for honest advice, quality workmanship and clear communication. Here is what they have to say…

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Transmission Performance Upgrades for Towing, Touring & 4wd's

If your 4WD tows, goes off road or you simply want to maximise your automatic transmission’s longevity and reliability, tailored upgrades improve how it handles load, heat and demanding driving conditions. Our packages are built to maintain shift quality, manage temperature and extend durability, giving you a transmission that performs consistently when you need it to. 

Upgrading the valve body increases torque capability, improves load handling and enhances shift feel for a stronger, more reliable transmission. This refined hydraulic recalibration produces quicker, more consistent shifts and greater durability. Whether you tow, drive off road or want longer service life, it provides a more confident and dependable driving experience.

Upgrading your transmission cooling system is a proactive way to prevent overheating, reduce wear and extend the lifespan of your automatic. Stable temperatures mean more consistent performance, especially when towing or driving in demanding conditions. It is a smart investment for any owner wanting improved reliability, durability and peace of mind under heavy load.

A lock-up controller reduces transmission heat by reducing converter slip, the main source of temperature in an automatic transmission. By engaging the clutch earlier and holding it longer, it provides stronger engine braking, better control and lower operating temperatures. This upgrade gives you a cooler, more responsive transmission and a driving experience with improved control under load.

Transmission remapping refines the control system to improve shift timing, gear selection and torque delivery. It reduces unnecessary gear hunting and sharpens response under varying loads. This upgrade is especially effective for vehicles running larger tyres, engine tunes or carrying heavy loads, providing smoother behaviour, better torque access and more consistent performance in demanding conditions.

Transmission temperature monitoring gives you real time fluid data and early alerts when heat rises beyond safe limits. By allowing you to react instantly, it helps you prevent wear and heat related damage. Ideal for towing or steep inclines, it supports informed decisions and lets you adjust your driving behaviour under demanding conditions.

A deep sump upgrade increases your transmission’s fluid capacity, giving the hydraulic system more volume for heat dissipation and contaminant absorption. This helps keep temperatures lower under load and can extend service intervals. By improving cooling efficiency and fluid stability, a deep sump supports better reliability and longer transmission life in demanding conditions.

Longer Lifespan*
0 %

Gained by reduced operating temperatures

Better Load Handling*
0 %

By increasing operating clutch pressures

More Reliable*
0 %

Due to reduced heat and slip

*Results vary depending on vehicle, usage, load, and driving conditions.

Upgrades By Brand

Book Your Next Upgrade

Ready to Upgrade your 4WD’s performance and reliability for towing or off-road use? Make an enquiry or call us to book your upgrade with a trusted specialist

Our Difference

Trusted for Quality, Chosen for Reliability

Proven Workmanship

RHA technicians follow documented procedures, detailed checklists and thorough testing to ensure consistent, high-quality results on every job.

Integrity First

You get clear diagnostics, transparent recommendations and upfront pricing before any work begins. No hidden costs and no surprises.

Respect and Communication

We explain your options in plain English and keep you updated from start to finish. You always know what is happening with your vehicle.

Trusted By

Ron Hill Automatics Sunshine Coast

Performance Automatics for Towing, Touring & 4WDs

Honest advice, upfront pricing and dependable service for the vehicles we know best

Book Your Next Upgrade

Ready for Confident Towing & Touring? Make an enquiry or call us today and start planning your upgrade with your trusted 4wd specialist

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