Hi all,

I have a 99 Blazer with the 4.3 vortec. Since I bought it (1 year ago), it has leaked coolant intermittently. I have added around 1-1.25 gallons to it this year.

The thermostat has been replaced as it had an overheating issue in the past. I am visually seeing coolant directly in front of engines around belt. The coolant is traveling from there dripping and some rolls to the oil pan and drips.

I will attach pictures later, but is this something I need to be concerned about? There is NO coolant in the oil.

Please advise as it is going to be a daily driver in a week in a half.

 

Could be a bad water pump. Could be weeping coolant from the weep hole in the front of the pump..

 

If you want to continue to drive it, yes you should be concerned

 

It's been leaking for a year, and has not gotten worse.. It only leaks 1/2 the time it sits, it is not an extremely bad leak.. Maybe water pump? It never runs hot the truck

 

It may start to leak worse when it becomes a daily driver..Jerry...as written before me, look closely @ the 'weep' hole on the water pump..