Hi I have a 95 K2500 6.5 that I just bought. The PO had starter problems and broke both bolts off. I think he did some drilling now antifreeze is dripping from the bolt hole and the starter was a hanging there! Any fixes for this? Retap and fill the hole with silicone? Block stop leak? Just wanna see how it runs to see if it's worthy of a better fix. Thanks

 

Shouldn't be any coolant near the starter bolt holes,unless the inner is drilled very deep and even then I think it would hit oil or the opening behind the bell housing first?

Head gasket leak or rotten core/frost plug?

Get a pressure test done.

 

If I hold my finger over the hole it mostly stops, when I let go backed up coolant comes out. I'm pretty sure the water jacket is close since the freezeplugs are there. I was hoping someone that has seen a bare block would recognise where he could have went wrong, I'm sure this can't be the first one!

 

Will take a look at the bare block in my driveway later today,might need to drain the coolant and coat the starter bolt with thread sealer like used on head bolts or plumbing:
Thread Sealants : Permatex® High Performance Thread Sealant
http://www.useloctite.com/products/p...ealing4c67.php