Should I flush my engine oil before switching from conventional to synthetic oil or vice versa?

No, it is not necessary to flush your engine when switching between motor oils. Typically, conducting a routine oil change and replacing the conventional oil with a synthetic motor oil will not require any additional maintenance.

Do I need a special oil filter for a synthetic oil?

No, synthetic motor oil does not require you use a special filter. Oil filters are used based on vehicle specifications. Refer to your vehicle Owner’s Manual for guidance on what type of oil filter to use.

Is there a way to tell if my engine oil needs to be changed or is running low?

Yes, if equipped, your vehicle’s oil life monitoring system will inform you when your motor oil needs to be changed. Refer to your vehicle Owner’s Manual for more specific guidelines.

Does my transmission fluid need to be changed as regularly as my oil?

No, typically, transmission fluid lasts much longer than most engine oils. Refer to your vehicle Owner’s Manual to identify how often and when your transmission fluid should be changed. Severe usage and regular usage descriptions are provided.

Is there a difference between power steering fluid and transmission fluid?

Yes, there is a difference. There are many types of transmission fluid. GM Genuine Parts and ACDelco recommend referring to your vehicle Owner’s Manual for fluid recommendations for all vehicle systems.

Acdelco 10 9394 Dexron Vi Automatic Transmission Fluid 1 Qt

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Description

⚙️ Upgrade your ride’s heartbeat with ACDelco Dexron VI – the fluid that keeps you moving forward.

PREMIUM PROTECTION - Advanced oxidation resistance prevents corrosion and foam for smooth shifting
FUEL ECONOMY BOOSTER - Optimized viscosity stability helps improve your vehicle’s fuel efficiency
SEAMLESS COMPATIBILITY - Works flawlessly with older and newer transmissions using DEXRON fluids
DURABILITY YOU CAN TRUST - Enhanced friction durability protects your transmission under all conditions
LONGER LIFE LESS HASSLE - Extended drain intervals mean fewer service stops and more road time

ACDelco 10-9394 Dexron VI Automatic Transmission Fluid is a high-performance, backward-compatible transmission fluid designed to replace older DEXRON fluids. It offers improved friction durability, viscosity stability, aeration and foam control, and oxidation resistance, enabling extended drain intervals, better fuel economy, and longer transmission life.

Specifications

ASIN	B06Y5VFVDT
Best Sellers Rank	689,403 in Automotive ( See Top 100 in Automotive ) 403 in Hydraulic Oils
Brand	ACDelco
Brand Name	ACDelco
Container Type	Bottle
Customer Reviews	4.8 out of 5 stars 1,154 Reviews
Global Trade Identification Number	00808709483762
Item Form	Oil
Item Weight	454 g
Item weight	454 g
Liquid Volume	1 Litres
Liquid volume	1 Litres
Manufacturer	ACDelco
Material	Liquid Lubricant
Model Number	10-9394
Number of Items	1
Package information	Bottle
Part Number	88865601
Recommended Uses For Product	Automotive transmission systems
Recommended uses for product	Automotive transmission systems
Specific Uses For Product	Prevent Corrosion
UPC	808709483762
Unit Count	946.3529 millilitre
Viscosity	1

Reviews

M**E

OEM Factory fill 👍

Been using this for years. Factory fill and meets latest specs, fully backwards comparable. Add in a filter and its way cheaper than a transmission.

20.04.2026

タ**マ

とっても良かったです😊

22.06.2026

F**5

Transmission fluid

Great product, and good value

25.04.2026

カ**ズ

30年以上ACDelco。

愛機のパワステフルードはDEXRONⅢが指定。30年以上前からACDelco製品を愛用しています。DEXRONに関しては国産製品を選びません。今回DEXRONⅥを買いましたがⅢとの互換性あります。価格も適正ですし、品質と信頼性、耐久性にも優れていると思います。

18.05.2025

K**Y

So far nothing

Works great for my Chevy 2019 Silverado transfer case.

4.05.2026

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