93lexES300

Yeah, I have thoroughly checked the dipstick, it's allways in my garage so the it's on a flat surface. I've measured multiple times after shutting it down at 2, 5, 10, and 15 min increments so see how it looks. Yeah, it's really puzzling to me.

Looks like the dipstick int he manual and like the one for the transmission except the label. One question I have, are your oil pans completely flat at the bottom or is there a rounded indentation from the bottom. Can you take a pic of the oil pan from the side and front bottom? Want to makke sure my oil pan is not dented and that's why the seeming decrease in capacity. Thanks!!

So I've searched high and low on this forum for any articles relating to oil capacity and haven't found quite what I'm looking for. I'm a new owner of a 1991 LS400 and one of the first thing I wanted to do is change the oil. I looked up the manual and the capacity is state some this like: 6.3 quart dry fill 5.6 quart drain and fill with Filter 5.3 quart drain and fill without filter. So I drained the oil, 1.5 milk jugs worth, so about 5.5 to 6 quarts. I put in 5 quarts thinking I'll top it off once I check the level. I check the level and it shows over full, even after it settles. I drain out about a quart total and than it's at bout or a little over the full mark when warm. This means that I only put in 4 quarts of oil to replace the ~6 that I drained. So me being paranoid, bought another case of Amsoil 5w30 and drained all the oil back out, this time not on ramps but on level ground, but not changing the filter (only use Genuine Totota Filter) I got about 5 quarts out, so I poured 4 quarts in and measured on the dipstick. Showed about half full on the dipstick. I poured in another 1/4 quart and checked the dipstick again. This time it showed full on the dip stick. So doing the calculation for the amoutn of oil currently in my engine is as follows: 6.3 - 5.6 = 0.7 quarts in the engine when you do a drain and fill with filter. I have an extra lets say .25 quarts in the engine since the second tiem I didn't chang the filter. so that's .95 that' in the engine I added 4.25 so I have a total of 5.2 quarts, about a quart lower than the dry fill capacity? Cana nyone explain why this would occur? Thanks

To add tot his post, I had a simmilar issue when I changed my oil on a 91 LS400. I put in 5.6 quarts as the manual stated with drain/fill w/wilter. I measured the level and it was way too high. I drained half a quart and it was still too hing. I'm about to go down and drain a bit more, but I'm looking at 5 quarts fill the engine to the full mark on the dipstick when the engine is at operating temp. Anyone have an explanation for this ? Thanks Much...

Is it necessary to remove the pump to do this? Or is this from the top? Which hose to disconnect? Thanks There you go man!! Best wesbite for LS400s ever! http://www.lexls.com/tutorials/steering/psflush.html That's what I was looking for :) Your help is greatly appreciated !!!

Is it necessary to remove the pump to do this? Or is this from the top? Which hose to disconnect? Thanks

Just got a 1991 LS400 and I have a few questions about it's quirks. First question is the TRAC light, and yes, I have searched the forum. My question is the "motor" for the traction control has been replaced about a year ago by the previous owner, but the TRAC light still intermittantly comes on. Where are the Traction control sensors located at the back wheels? I'm about to do a rear brake job and flush the brake fluid as this has not been done is many years, and perhaps this will solve the problem, but I also wanted to get an idea of where the sensors are in case I need to replace those. Second question is regarding power steering. I've searched this forum for the filter that seems to clog up for the power steering, but I can't seem to find a picture of exactly where this filter is. Thanks Much....