unknown coolant leak ‍♂️

[Richard Payan]

hey guys ive been having this coolant leak for a while now. The way i know i have a coolant leak is beacuase under my intake tube and on the outside of the alternator there is coolant ive tried looking for the leak but nothing can someone help! its a 2003 tahoe Z71 4x4

 

[Scottydoggs]

theres a tube with coolant to the tb, runs on both sides of the tb, so alt and tube could get wet.

 

[Richard Payan]

theres a tube with coolant to the tb, runs on both sides of the tb, so alt and tube could get wet.

ive checked that but im going remove the TB and check those hoses beacuase its not wet there at all ‍

 

[Scottydoggs]

maybe the tb is leaking the coolant, not sure if it can leak out the seal to the intake or not.

that line is to keep the tb from freezing in winter time.

 

[Richard Payan]

maybe the tb is leaking the coolant, not sure if it can leak out the seal to the intake or not.

that line is to keep the tb from freezing in winter time.

i dont think its the seal its pretty new the tube only gets wet from the bottom i changed all the hoses and clamps and nothing i still see that leak its frustrating me

 

[Scottydoggs]

i dont think its the seal its pretty new the tube only gets wet from the bottom i changed all the hoses and clamps and nothing i still see that leak its frustrating me

in that case it might be time to put some dye in the coolant, then look for the glowing trail of coolant.

 

[Richard Payan]

in that case it might be time to put some dye in the coolant, then look for the glowing trail of coolant.

how does that work? ive never used that ‍ will it damage my cooling system?

 

[Scottydoggs]

theres a few kits, some you need a black light and some yellow glasses. others you can just see the trail.

wont hurt anything inside the engine, its literally like 5 drops you put in the rad, then drive it for a day or so. then look.

my 97 gmc had one of these leaks i could not find. it was leaking from the lip off the oil pan under the balancer.

used the dye kit and was able to follow the trail to the pass side rear of the intake manifold was leaking from the gasket down the back of the head and block to the oil pan where it rode the oil pan lip to the front of the engine. thats a long way for a leak to go, no wonder i could not find it.

 

[Richard Payan]

theres a few kits, some you need a black light and some yellow glasses. others you can just see the trail.

wont hurt anything inside the engine, its literally like 5 drops you put in the rad, then drive it for a day or so. then look.

my 97 gmc had one of these leaks i could not find. it was leaking from the lip off the oil pan under the balancer.

used the dye kit and was able to follow the trail to the pass side rear of the intake manifold was leaking from the gasket down the back of the head and block to the oil pan where it rode the oil pan lip to the front of the engine. thats a long way for a leak to go, no wonder i could not find it.

ooo alright cool man i will give it a try and see what happens hopefully is nothing major thanks alot

 

[Tonyrodz]

You could also rent one of those kits that pressurizes the cooling system. Then check it that way. Just another option.