Corolla coollant level decreasing

[pwuser152506811227]

coolant level in radiator is slightly decreased overflow bottle is completely empty , engine dont have any heating issue . its filled by company and i never refilled it . is it normall?

[Massive_One]

coolant level in radiator is slightly decreased overflow bottle is completely empty , engine dont have any heating issue . its filled by company and i never refilled it . is it normall?

this is not normal. overflow bottle should also be half full.
which car ?
what mileage ?
which company ?
which coolant ?

[anon35615524]

Coolant level in the radiator and / or reservoir bottle should not decrease.

coolant level in radiator is slightly decreased overflow bottle is completely empty

is it normall?

This is abnormal.

Please check for any leakages in the cooling system.

[aziz.rehan]

Give more details of the car like model, odometer reading etc

[longdriver1]

Check all coolant rubber hoses and their joints

Check water pump seal

[pwuser152506811227]

@Massive_One @aziz.rehan 2019 Gli , ODO 20k ,also Motorway and Gilgit Traveling some times even 24hr non stop driving. Coolant is pink which toyota puts from company

[pwuser152506811227]

All seals are intact , and hoses are completely in perfect

[pwuser152506811227]

No leakage , and driven with care no hard foot

[Xulfiqar]

What seals?

[pwuser152506811227]

AOA zulfiqar Bhai I mean water pump seals are in perfect condition, hoses etc don't have any leakage , fully clean not a single drop of oil or water. But usually used for long Drive Coolant is white bottle was in lower level but now that coolant is completely finished and level is slightly decreased , temperature is always at center never gone high

[Xulfiqar]

just refill the expansion bottle to max line - its level will slowly go down (over a few years) due to evaporation as its open to air.

another leak issue is of a leak that happens only under pressure, these are harder to discover and require use of a pressure tester. Usual culprits are hose clamps (specially low cost screw type worm clamps)

[hamidtariq82]

regarding water pump weep hole seal, i think it is difficult to check if there is slight leakage through it.
One way to check could be to creep under the car and look for dried coolant deposit around pump pulley

[Massive_One]

2019 Gli , ODO 20k ,

oh, then that might still be under warranty.. get it tested through the dealership if there's any leak or something because overflow bottle should NOT be completely empty no matter how u drive it... : (

[Xulfiqar]

buy a small dentist inspection mirror and use that to check.