Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid

Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid A fuel efficient automatic transmission fluid recommended for GM, Ford and Toyota transmissions where lighter viscosity oil is required.

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AMSOIL Signature Series Fuel Efficient Synthetic Automatic Transmission Fluid

A fuel efficient automatic transmission fluid recommended for GM, Ford and Toyota transmissions where lighter viscosity oil is required. Provides the same excellent protection and performance as AMSOIL Signature Series Multi-Vehicle ATF. Recommended for vehicles requiring GM DEXRON® VI, Ford MERCON® LV and SP, Honda DW-1, Nissan Matic-S and Toyota WS fluid specifications.

Fuel-Efficient Synthetic Automatic Transmission Fluid Overview

Easy Pack squeeze bag for AMSOIL's Low Viscosity fuel efficient automatic transmission fluid

Synthetic Warehouse note:

This product is known to solve a multitude of problems or rather prevent them. We get ton’s of feedback on this and the other ATF as we sell quite a bit in our two stores. The #1 feedback I get in the store is when it’s used as a partial fill (replacement). The customer instantly notices more power to the wheels. I recently had a Toyota customer complain of the OEM fill. It was stated that it was a lifetime fill – but in only 30,000 miles the power transfer seemed to fade. Switching to the AMSOIL Low-Viscosity “Fuel Efficient” Synthetic Automatic Transmission Fluid instantly restored the power beyond the stock feel. If you have over 50,000 on your transmission fluid now – it’s time to switch!

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Transmission Fluid Evacuation Service:

Bulletin From Filter Manufacturers Council (16k PDF)

Transmissions in commercial vehicles, SUVs, trucks and vans – particularly those used for hauling or towing – are subjected to severe service operation and increased heat. Before you know it elevated temperatures cause fluids to break down, allowing damaging metal-to-metal contact and the formation of sludge and deposits. Signature Series ATF prevents this!!  The problem is worse in modern transmissions with more gears, clutch packs and narrow oil passages that require clean, high-quality fluid to achieve maximum performance and life. Don’t wait till it’s too late – we all know transmission shops have a waiting list. That’s because they didn’t use AMSOIL.

AMSOIL Signature Series Synthetic Automatic Transmission Fluid is specifically formulated to withstand the rigors of heavy towing, elevated temperatures and challenging terrain. It remains fluid in sub-zero temperatures and provides reserve protection during heavy use and even abuse.

Proven in 100,000-mile, Severe-Service Taxi Fleet Field Trial

To demonstrate its effectiveness in severe service, AMSOIL’s Signature Series Multi-Vehicle Synthetic ATF (the red label one) was installed in vehicles owned by a Las Vegas cab company. The vehicles routinely encountered demanding stop-and-go driving loaded with passengers and cargo, while the desert environment presented extremely hot ambient temperatures, placing enormous strain on the fluid. Following 100,000 miles, a transmission was selected for analysis. The Aluminum Beaker Oxidation Test (ABOT) is one industry-accepted method used to determine a transmission fluid’s oxidation resistance, which is a good indicator of its service life. Testing by an independent, third-party lab reveals that after 100,000 miles in severe service, Signature Series Multi-Vehicle Synthetic ATF resisted oxidation longer than required for new fluid to meet the Chrysler ATF+4 specification (see graph). Internal components, including the valve body and clutch plates (pictured), were virtually free of damaging sludge, deposits and wear, confirming the AMSOIL’s high level of protection for severe-service transmission applications.



Formulation Protects Against Thermal Breakdown

Signature Series Synthetic ATF is formulated with high concentrations of antioxidants, making it naturally heat resistant. As a result, it provides outstanding protection against sludge and varnish deposits that clog narrow oil passages and contribute to clutch glazing. After 100,000 miles in severe service, fluid analysis revealed Signature Series Multi-Vehicle Synthetic ATF contained 41 percent of its original oxidation inhibitors, proving its long-lasting resistance to thermal breakdown.

Outstanding Wear Protection

Varying speeds and loads causes torque multiplication and extreme stress on gears and bearings. AMSOIL formulated Signature Series Synthetic ATF with high film strength and premium anti-wear/extreme-pressure additives to help prevent wear during severe service. In the industry-standard FZG Gear Wear Test, Signature Series Multi-Vehicle Synthetic ATF that had been used for 100,000 severe-service miles achieved a “Pass” at stage 12 – the highest stage. The results exceeded the Ford MERCON V and Chrysler ATF+4 specifications for new fluid, demonstrating the lubricant’s long-lasting wear protection.

Cold-Temperature Fluidity

Cold, thick automatic transmission fluid lengthens shift times and reduces fuel economy. Signature Series Synthetic ATF is wax-free and delivers extraordinary cold-flow properties (< -60°F pour point). It helps improve shift response, energy efficiency and warm-up times. If you live in a cold climate you need this! Relieve the stress on these units pushing them down the road when the fluid is unwilling to cooperate.. This fuel efficient ATF will solve that major issue and you can smile at the other drivers knowing your car will outlast theirs.

Friction Durability

Today’s transmissions are smaller and must withstand higher horsepower and torque while delivering smoother shifts, all with longer fluid life recommendations. AMSOIL Signature Series Synthetic ATF is formulated with friction modifier additives that deliver outstanding clutch-holding capacity (static friction), torque-transfer ability (dynamic friction) and anti-shudder properties (slipping torque-converter clutches). Analysis reveals that after 100,000 miles in severe service, Signature Series Multi-Vehicle Synthetic ATF provides nearly identical friction properties as new fluid for smooth, reliable shifts.


AMSOIL Signature Series Fuel-Efficient Synthetic ATF is recommended for transmissions and other applications that require any of the following specifications:

Aisin-Warner AW-1; BMW 83 22 0 142 516, 83 22 2 152 426, 83 22 2 289 720 (ATF3+); Chrysler MOPAR* 68157995A, SP-IV; DSIH 6p805; Ford MERCON* LV, SP; GM DEXRON* HP, DEXRON* VI; Honda/Acura DW-1*, Type 3.0; Hyundai/Kia SP-IV, SPH-IV, SP-IV-RR, NWS-9638, SP4-M; JASO 1A-LV; JWS 3324; Mercedes Benz 236.12, 236.14, 236.15, 236.41; Mitsubishi SP-IV, ATF J3, ATF-PA; Nissan Matic-S, Matic-W; Saab 93 165 147; Shell M-1375.4, M-1375.5, M-1375.6, M-L 12108; Toyota WS; Volvo 31256774; VW/Audi G 055 005, G 055 162, G 060 162; ZF S671 090 255.

AMSOIL Signature Series Fuel-Efficient Synthetic ATF is backward compatible and replaces DEXRON III fluids in older GM automatic transmissions. (DEXRON VI specification supersedes the obsolete DEXRON III in GM vehicles.)

Normal Service: Follow the vehicle manufacturer’s normal-service drain interval.

Severe Service: Double the vehicle manufacturer’s severe-service drain interval.

Change at the vehicle manufacturer’s recommended drain interval outside U.S. and Canada.

Note: Not for use with CVT applications.

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This product is not expected to cause health concerns when used for the intended application and according to the recommendations in the Material Safety Data Sheet (MSDS). An MSDS is available via the Internet at or upon request at (715) 392-7101. Keep Out of Reach of Children. Don’t pollute.

For warranty information, visit


Bonus: AMSOIL Automatic Transmission Fluid and Filter Change Procedures;  Technical Service Bulletin

OBJECTIVE: Provide AMSOIL Dealers with proper automatic transmission fluid and filter change procedures.

ISSUES: The use of automatic transmission flushing machines alone does not address the important tasks of changing the filter and cleaning the bottom of the transmission pan and magnet. TECHNICAL DISCUSSION: Flushing machines provide quick and convenient trans- mission fluid changes, but do not address transmission pan cleanliness or dirty filters. Removing the transmission pan allows the pan and magnet to be cleaned and the filter to be changed. AMSOIL recommends the filter always be changed with the fluid change to ensure the proper removal of contaminates.

To continue reading the procedure follow this link to the blog entry for this subject.

Automatic Transmission fluid & Manual – The differences between the two (blog)




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