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Difficulty Reading Oil Level On Dipstick of 2010 Highlander Limited

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31K views 23 replies 18 participants last post by  Wellibe  
#1 ·
I have a 2010 Highlander Limited with the tow package and find it impossible to read the oil level on the dipstick. When I remove the dipstick again after wiping it clean, the oil level appears to be way overfilled. However, this isn't possible as I change my own oil and add 6 quarts after changing the filter. Does anyone else have this same problem? Is it a design defect with either the dipstick or the dipstick tube. Is there a way to correct the problem?

Thanks is advance for the input!
 
#5 ·
Although it doesn't make a massive difference, the engine should be warmed to operating temperature for a more accurate reading. Also, I agree with DavidHB about roughing up the surface of the dispstick for an easier read. I've read on other forums where members have used a Dremel tool with a sanding tip to rough up the dipstick. Still, with clean, fresh oil any dipstick will be a bear to read.
 
#12 ·
I was having the same problem with my Highlander. What worked for me was to lightly rough up the lower end of the dipstick with sandpaper. And when checking the oil I pull the dipstick out, wipe it clean, and wait about 10 minutes to reinsert the dipstick and check the oil level. I guess it's some sort of design flaw. I read about leaving the dipstick out for several minutes somewhere else in this forum a few months back.
 
#14 ·
I would totally agree that it's hard to read. Like the surface of the dip stick forced the oil away from the flat area, or some strange phenomenon.

Next time I do some bead blasting I'm going to do the last inch or two with a super fine texture. I'm pretty sure that will help. Yes, I will thoroughly clean it before using it again.
 
#16 ·
My new 2014 4 Runner - 1GR-FE engine dip stick is hard to read when cold. If I let it sit overnight, the oil is not even from the bottom of the stick up to the full mark. I use the term "splotchy" to describe it.

What I've had the best luck with is to check the level when the engine is fully warmed up and parked on a level surface. Let the engine rest for 15 mins; then pull and read the stick. I see a more consistent film of oil on the stick doing it this way.

I'll also throw this out. Some have mentioned seeing the oil above the full mark after an oil change(assuming new filter as well). I've owned 4 Toyotas ranging in age from 1983 to 2014. Everyone showed/shows a reading above the full mark using the designated amt. of oil as specified in the owners manual and a new dealer filter. It's never caused me a problem.

My 2 cents.
 
#17 ·
If I wait 10 min after shutting off the engine to allow oil to drain out of the filler tube and down the dip stick, then pull the stick, wipe, re-insert and read, have never had issues.

On my '02 HL, I did grab my dremel and using a cylindrical grinding wheel, put light buffing perpendicular to the stick length, for about 3". Not sure it actually "helped", but convinced myself it did after going through the trouble. ;)
 
#18 ·
On my '02 HL, I did grab my dremel and using a cylindrical grinding wheel, put light buffing perpendicular to the stick length, for about 3". Not sure it actually "helped", but convinced myself it did after going through the trouble. ;)
It helped. I did the same thing, but manually scuffed my dipstick with a file. It definitely made it easier to read the oil level.
 
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#20 ·
Let the car sit overnight. Then go out in the morning, and without starting the vehicle, pull the dipstick out and read it. Do NOT wipe and reinsert; just pull it out one time and read it. Sitting overnight gives enough time for the excess oil to drain back down the dipstick tube so that it doesn't get smeared onto the dipstick as you're pulling it out.
 
#23 ·
It should be easy to see with that colour of used oil above. The upper area its from stuff in the tube, hence ignore. Wipe the stick insert and remove right after the top bottoms out. I never seen an issue, maybe because I been doing it for some 50 years. Move it around to get the angle and light on it.