LEXUS SC 430

The wa­ter pump is de­signed with a weep hole to al­low coolant to leak from its hous­ing be­fore it can reach the shaft bear­ing which will cause the shaft to lock up and stop...

Your ve­hi­cle can make bub­bling or gur­gling noises for a ver­ity of rea­sons, and can be a sig­nal of var­i­ous un­der­ly­ing is­sues within the ve­hi­cle. Here is why this phe­nom­e­non...