Power steering overflowing!
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Joined: May 2015
Posts: 78
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Power steering overflowing!
Had a track day at Limerock this past weekend. This was my first one taking my vette and the power steering reservoir was overflowing badly during each session. I have not noticed much of a difference in steering feel possibly a little tighter. Is this normal? is there a way to prevent this from happening in the future?
Any info appreciated!
Any info appreciated!
Safety Car
Joined: Feb 2007
Posts: 4,684
Likes: 107
From: Opelika Alabama
sounds like you may have had it over full, you do know that their supposed to be checked hot and it's lower in the tank then one might think, that being said after the first overflow it should have found it own level. may have to unhook the return line and check for flow, can't really think what could cause that except for being seriously over full?
Le Mans Master
Joined: Oct 2000
Posts: 6,473
Likes: 706
From: Sausalito CA
I am with post # 2.
Over filled.
What would cause an over flow?
Oil boiling over from heat, air bubbles, incorrect viscosity, clogged line come to my mind.
So, clear 'er up, refill to proper level with proper oil and monitor.
Let us know.
Over filled.
What would cause an over flow?
Oil boiling over from heat, air bubbles, incorrect viscosity, clogged line come to my mind.
So, clear 'er up, refill to proper level with proper oil and monitor.
Let us know.
Le Mans Master
Joined: Dec 2005
Posts: 8,475
Likes: 332
From: Port Arthur, Texas 77642
Heat is your problem, expands and boils over. Install a PS cooler or as post above suggested install Turn One PS pump made for track use. Extended periods of high rpm's heat the fluid.
Instructor
Joined: Apr 2013
Posts: 123
Likes: 1
From: Kinderhook NY
Like they say above if you don't have a PS cooler you need one. The factory pump will boil that stuff at high RPM. I take my 87 IROC to Lime rock and i had to add a cooler AND a turn 1 ps pump. Now i don't have anymore trouble.
Last edited by hotrodln; Jun 15, 2016 at 08:12 AM.
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Le Mans Master
Joined: May 2016
Posts: 6,942
Likes: 1,546
From: Florida
The cooler is making a lot of sense. If you're topped off and the fluid reached a super hot temp, it expands A LOT!. This is evidenced in modern automatic transmissions today where the fluid levels are set using a temperature probe through the fill port. As the fluid temp heats up it expands and runs out. At a certain temp you cap off, but as the temp continues to rise the fluid continues to expand.
I think this one is solved.
I think this one is solved.
Team Owner
Joined: Sep 2000
Posts: 24,977
Likes: 2,690
From: Far NW 'burbs of Chicago
St. Jude Donor '13
I didn't notice any mention of the fact that the little dipstick has two markings- "Full Hot" and "Full Cold", or something like that.
Even keeping it at the proper level, mine (Z51) will splash a little fluid around the cap if I get it hot and run it hard.
Even keeping it at the proper level, mine (Z51) will splash a little fluid around the cap if I get it hot and run it hard.
Le Mans Master
Joined: Dec 2005
Posts: 8,475
Likes: 332
From: Port Arthur, Texas 77642
Even if he does it may not be enough in all situations. My 02 C5Z came with an oem PS cooler but 20-25 minute track sessions varying rpm's between 2500 - 7000 can cause fluid to boil over quite easily in summer temps. I added a Setrab cooler in series with my oem cooler...problem solved.
Race Director
Joined: Aug 2005
Posts: 13,592
Likes: 187
From: Hudson WI
NCM Sinkhole Donor
Even if he does it may not be enough in all situations. My 02 C5Z came with an oem PS cooler but 20-25 minute track sessions varying rpm's between 2500 - 7000 can cause fluid to boil over quite easily in summer temps. I added a Setrab cooler in series with my oem cooler...problem solved.
Setrab really builds nice coolers. What did you do for lines? I bought busted OE cooler and was trying to use the lines off of it as a template, but lost interest in the project about a year ago, and never finished it.
Le Mans Master
Joined: Dec 2005
Posts: 8,475
Likes: 332
From: Port Arthur, Texas 77642
I was thinking of doing the same, just because the OE does not look very robust. I have a Setrab one on my diff. Used the OE pump and mounted the cooler behind the diff.
Setrab really builds nice coolers. What did you do for lines? I bought busted OE cooler and was trying to use the lines off of it as a template, but lost interest in the project about a year ago, and never finished it.
Setrab really builds nice coolers. What did you do for lines? I bought busted OE cooler and was trying to use the lines off of it as a template, but lost interest in the project about a year ago, and never finished it.
