Hyundai PSF-4 Information

[The Critic]

Perhaps this might be helpful to the Hyundai owners:

Quote:
Technical Service Bulletin
Subject: PSF-4, HYUNDAI GENUINE POWER STEERING FLUID
Group: CHASSIS
Number: 07-50-002
Date: FEBRUARY, 2007
Model: ALL
CIRCULATE TO: [ ] GENERAL MANAGER
[X] SERVICE ADVISOR [X] SERVICE MANAGER [X] WARRANTY MGR [ ] SALES MANAGER [X] PARTS MANAGER [X] TECHNICIAN

DESCRIPTION:
This bulletin provides the PSF-4, Hyundai Genuine Power Steering Fluid, part number and interchangeability information.

DESCRIPTION: PSF-4 - Hyundai Genuine Power Steering Fluid
PART NUMBER: 00232-06010

INTERCHANGEABILITY:
• PSF-4 to PSF-3 Topping off or adding up to 50% PSF-4 to a
PSF-3 system is acceptable.
NOTE: Do not add more than 50% of the total system volume of PSF-4 to PSF-3. The PSF-3 fluid should be drained and replaced with PSF-4 power steering fluid.
• PSF-3 to PSF-4 Not OK (Do not add PSF-3 to a PSF-4 system)

 

[BearZDefect]

Good find, Critic.

Hyundai:
PSF-3 ... PSF-4

Equivalent?
ATF+3 ... ATF+4

I made that up out of BITOG air, having read a post by unDummy a while back about using ATF+4 successfully in Hyundai ATs.

Disclaimer: What I wrote above is only a number matchup.