Tip & How-To about 2000 Volvo V70
I had a customer that told me their power steering pump was going out. They described the typical power steering whine and difficulty steering. When I went to verify the complaint, I discovered that it didn't whine or have trouble right away. It took a minute or two to actually appear. I had to do some research and what I discovered was that, while a typical vehicle would have the return hose connect directly to the bottom of the reservoir, in the volvo it connects near the top. Inside the reservoir, to keep the fluid from becoming aerated, there is a small, plastic, "L" shaped tube that connects to the p/s return on the INSIDE of the reservoir. In the case of the vehicle I was working on, this tube had popped off causing the fluid to become severely aerated. The air would enter the system (after developing from running for a short bit) causing it to sound like it had a bad pump.
So, if you suspect that the power steering pump is bad, check the fluid level first (as you always should) and examine the condition of it right after running it. The cap might be pressurized and pop off, which is a very good indication of the problem I'm speaking of. The fluid may pour out as well. In any case, if it's foamy, though otherwise at least filled to the minimum line, look inside the reservoir towards the engine side of it where the return line enters to see if you see either a black plastic tube running to the bottom or a beveled, metal tube that has nothing connected. If you check and see the latter, fish around in the reservoir for the plastic tube. You should find it and can likely pop it back on to the return tube. Bleed the system as you normally would and you should find that the problem goes away. Hope that helps!
Posted by MachoMatt8... on
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