Originally Posted By: 69GTX
Originally Posted By: A_Harman
Is there a particular year of F-bodies that had PS cooler problems? I'm mystified. Mine has 248,000 miles on it, with thousands of track miles running in hot conditions, and I don't have a problem with PS fluid getting in the cooling system. The cooler on mine is a Laminova-style heat exchanger, which has no tube joints to fail. I thought all years had the same type of cooler.
I think all the years show up with a significant number of failures. Though I would think 2001-2002 got more of them since they made a lot more cars in those years, and even base LS1's got the coolers by the end of the run. I've not read anything that suggested that only particular years were susceptible. That's unlike the roof paint bubble issues were everything produced after April 1998 is susceptible, and anything before that is fine. It could be that those who frequently changed their coolant and PS fluid didn't experience issues. Or maybe a car frequently used and pushed hard saw less issues. If you've gone 250K miles on that cooler that's excellent.
At LS1tech.com there are numerous threads in the 2008/2009 period showing these failures. One guy even said he had a cooler leak when the car was brand new and under warranty. Another said they went through 2 coolers by 2009. Sounds hit and miss. But it sure stinks when you get the hit and the PS reservoir level starts to disappear. From what I just read it was the same part all 5 years. I feed and bleed a quart of PS fluid in the system every year just to keep fresh. Still using DexCool too.
I've been consistent over the years in checking the level of the power steering fluid before every on-track session, so I would know if I had fluid loss. My car seems to have been born under a lucky sign. I have also not had fuel pump issues as so many other 4th-Gen F-bodies have.
{Knock wood, hope the luck continues.}
The only recurring problem I have had has been the rear axle assembly, but that is a well-earned problem coming from track driving. I rebuilt the rear end 4 times due to spalling of the outboard axle bearings on the C-clip axle design. That includes two sets of Moser axles. I finally had a custom housing built by Moser using Ford 9-inch outboard bearing adapters and axles, with the axle splines machined to go into the GM differential carrier.