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6T35 Transmission Repair & Rebuild β€” Chicago

GM 6T35 6-Speed FWD Automatic Β· GM/Chevrolet/GMC/Cadillac/Buick Β· Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.

πŸ›‘οΈ Lifetime Warranty on Rebuilds
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πŸ“… Since 1987
πŸ”§ ASE Certified
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Type 6T35 Transmission Repair β€” Chicago Transmission | Chicago IL
Expert Type 6T35 transmission service at Chicago Transmission since 1987.

Vehicle Applications

2010–2019 Chevrolet Equinox (2.4L); 2010–2019 GMC Terrain (2.4L); 2010–2016 Buick Verano; 2012–2015 Chevrolet Malibu (2.5L); medium-light GM FWD 6-speed

Technical Specifications

Configuration6-speed FWD transaxle
Gear Ratios1st 4.48:1 Β· 2nd 2.87:1 Β· 3rd 1.84:1 Β· 4th 1.41:1 Β· 5th 1.00:1 Β· 6th 0.74:1 Β· Rev 3.82:1
Fluid TypeDexron VI ATF
Fluid Capacity7.5 qts total, 4.0 qts service refill

Top 3 Failure Points

1

SRV Bore Wear

Same 6T-family SRV bore weakness. Very common on Equinox and Terrain units.

Symptoms: 2nd-gear slip; harsh 1-2 shift; Dexron VI burned

2

Input Shaft Seal Leak

Input shaft seal leak at the engine-transaxle interface is common on Equinox units.

Symptoms: ATF leak at front of transaxle; dripping from bellhousing

3

Solenoid Body Failure

Standard 6T-family solenoid body wear at 80k–120k miles.

Symptoms: Limp mode; P0750-series; erratic shifts

Rebuild Process

SRV bore kit. Input shaft seal replaced. Solenoid body replaced. All clutch packs replaced. Valve body rebuilt. Full soft parts kit.

What's Replaced in Every Rebuild

  • Sonnax SRV bore kit
  • Input shaft seal set
  • New solenoid body
  • All clutch packs
  • Valve body rebuild
  • Complete soft parts kit

Maintenance Tips

Dexron VI every 40,000 miles. Input shaft seal inspection at every service β€” catches leaks before they cause fluid-starvation damage.

FAQ

Common Questions About the 6T35

SRV bore wear is the leading cause. We measure the bore; if worn, a Sonnax oversize kit restores it without replacing the case.

The 6T35 handles slightly more torque and is used in heavier vehicles (Equinox/Terrain vs Sonic/Spark). Same gear ratios, different torque ratings.

$1,500–2,100. 2-day turnaround.

Dexron VI ATF.

If only the SRV bore is worn and the clutch packs test good, we can do a targeted bore repair without a full rebuild. Saves money if caught early.

Need 6T35 Transmission Service?

Free diagnostic, written estimate, lifetime warranty. Chicago's 6T35 rebuild specialists since 1987.

Transmission Parts And Components β€” Chicago Transmission | Chicago IL
Transmission components laid out for rebuild and inspection β€” we stock parts for all makes and models.
Car On Lift For Transmission Service β€” Chicago Transmission | Chicago IL
A customer vehicle raised on our lift for thorough transmission inspection at Chicago Transmission.
ASE Certified Transmission Mechanic β€” Chicago Transmission | Chicago IL
Our ASE-certified technicians bring decades of hands-on transmission experience to every job.
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