new power steering pump installed but wrong fluid inserted
Hotshot
Joined: Oct 2002
Posts: 18,488
Likes: 22
From: The Big, Oregon
Just to put in my own direct experience, when I put power steering in my truck I filled it with Dexron. It didn't leak a drop in four years, and now after the diesel has been in there for three years, again with Dexron in the new style pump, the nearly 40 year old box hasn't leaked a drop.
My historic experience is that any Ford power steering system will leak and whine with the clear PS fluid, even my Explorer did. With Dexron, they are quiet and don't leak. Dumping the ATF and putting in Dexron fixed my Explorer.
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My historic experience is that any Ford power steering system will leak and whine with the clear PS fluid, even my Explorer did. With Dexron, they are quiet and don't leak. Dumping the ATF and putting in Dexron fixed my Explorer.
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Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Interesting, I have added the much thicker Lucas Power Steering Stop Leak for pump noise control.
My guess Dexron is newer than Type F - ATF and it's progressively getting better.
John
My guess Dexron is newer than Type F - ATF and it's progressively getting better.
John
Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
Ford has used both fluids with the CII pump. In 1978 when it came out Ford was still useing Type-F in the P/S. As I stated above,in the 80's when the tranny fluid changed so did the P/S fluid. I personally would use the Type-F. That's what your box,pump,and hoses should have had in them up 'till now.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
I will for him John since I'm right here. I too have worked back (shop) counter for years in my past. Back in the days of the Dent and older, mechanics and owners put Type-F in both the P/S and the Trannys. So Did Ford.
In 1977 Ford changed the fluid in the C4 - C6 & JATCO (only) to Dexron (Ford called in Mercon) but continued putting Type-F in the P/S.
Later on when ford came out with automatic overdrives, the fluid changed so Ford changed the P/S fluid also. Stopped using Type-F in everything from that moment to present date.
So IMHO the OP should remove that fluid he put in, put in Type-F, and re-bleed the system.
In 1977 Ford changed the fluid in the C4 - C6 & JATCO (only) to Dexron (Ford called in Mercon) but continued putting Type-F in the P/S.
Later on when ford came out with automatic overdrives, the fluid changed so Ford changed the P/S fluid also. Stopped using Type-F in everything from that moment to present date.
So IMHO the OP should remove that fluid he put in, put in Type-F, and re-bleed the system.
Note references to TYPE F ATF - E6AZ-19582-A (replaced C1AZ-19582-A) & E6AZ-19582-AA, prolly replaced again...and again...and again.
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