How do you make sure your car is perfectly level?

mohammad · Post by **mohammad** » Fri Apr 09, 2021 3:26 pm

To check the fluid level, we must park the vehicle on level ground. Is there any practical way to be sure that the car is on ground level. something like pouring water on roof and see it moves away or not....

Post by **AZhitman** » Fri Apr 09, 2021 3:29 pm

Don't need to be that precise. Just park on a flat (non-sloped) surface.

Post by **VStar650CL** » Fri Apr 09, 2021 5:53 pm

Actually, depending on the dipstick location, even small slopes can result in meaningful errors.

The diagram isn't necessarily an exaggeration. Some dipsticks are located in almost "worst case" spots at one corner of a large cavity. Nissan CVT's with sticks are a prime example, situated at the front-inboard corner of a gearbox that's both wide and deep. Transverse VQ's have a side-to-side issue, with the stick located at the front corner of a crank that isn't very deep but is quite long across the car. This is a big deal if checking your Max at a curb, because a typical road crown is 4%, or 2.3 degrees. RWD VQ's, on the other hand, have a stick that's much better-centered and won't misread much on either axis. So it pays to take a good look at your vehicle, both the location of the sticks and the size of the cavities they're measuring. If any of your sticks are in a potentially bad spot, the best way to assure you're flat is a simple bubble-level from Lowe's or Home Depot.

Post by **AZhitman** » Fri Apr 09, 2021 6:26 pm

Makes sense, but what surface would you place the bubble level on? Hard to find a parallel-to-ground plane on any new vehicle.

1975 Country Squire wagon, not so much...

Post by **VStar650CL** » Fri Apr 09, 2021 6:43 pm

AZhitman wrote: ↑
Fri Apr 09, 2021 6:26 pm
Makes sense, but what surface would you place the bubble level on? Hard to find a parallel-to-ground plane on any new vehicle.

1975 Country Squire wagon, not so much...

If the vehicle isn't level when it's on level ground, that's an issue for the suspension guy. Put the bubble on the ground and at least you'll know that's flat, even if your Country Squire isn't.

Post by **AZhitman** » Fri Apr 09, 2021 6:49 pm

Ah, duh. I'm a little slow.

BRB, gonna go eat glue.

Post by **VStar650CL** » Fri Apr 09, 2021 6:57 pm

AZhitman wrote: ↑
Fri Apr 09, 2021 6:49 pm
BRB, gonna go eat glue.

Now that's a meal that will stick to your ribs. I know from experience.

mohammad · Post by **mohammad** » Fri Apr 09, 2021 7:14 pm

VStar650CL wrote: ↑
Fri Apr 09, 2021 5:53 pm
Actually, depending on the dipstick location, even small slopes can result in meaningful errors.

Dipstick Angles.png

The diagram isn't necessarily an exaggeration. Some dipsticks are located in almost "worst case" spots at one corner of a large cavity. Nissan CVT's with sticks are a prime example, situated at the front-inboard corner of a gearbox that's both wide and deep. Transverse VQ's have a side-to-side issue, with the stick located at the front corner of a crank that isn't very deep but is quite long across the car. This is a big deal if checking your Max at a curb, because a typical road crown is 4%, or 2.3 degrees. RWD VQ's, on the other hand, have a stick that's much better-centered and won't misread much on either axis. So it pays to take a good look at your vehicle, both the location of the sticks and the size of the cavities they're measuring. If any of your sticks are in a potentially bad spot, the best way to assure you're flat is a simple bubble-level from Lowe's or Home Depot.

Thanks for adding math to the solution. Now it makes more sense.
So, we can put the bubble level at two sides of the car and if they are ok we can say everything is level (It is possible to prove it mathematically but no need I guess

).

Post by **VStar650CL** » Fri Apr 09, 2021 7:50 pm

mohammad wrote: ↑
Fri Apr 09, 2021 7:14 pm
Thanks for adding math to the solution. Now it makes more sense.
So, we can put the bubble level at two sides of the car and if they are ok we can say everything is level (It is possible to prove it mathematically but no need I guess ).

Exactly. You're most welcome, happy motoring!

How do you make sure your car is perfectly level?

How do you make sure your car is perfectly level?

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