Ok, so I just swapped in this AP2 motor and I decided to paint the block, head, intake manifold, water pump, etc. I put everything back together and I had a coolant leak dripping down the passenger side in betweek the block and transmission. I traced it down to come from the IMG which I was stupid and didnt replace when I painted the intake manifold. So I went ahead and replaced the IMG with a fresh OEM one and installed to spec. Torque to 10ft/lbs then to 20 ft/lbs. Re-installed everything added coolant, followed the Billman bleeding DIY and saw it still leaking. I'm at a loss here. The intake manifold part that mates up against the head wasn't taped off completely so I only taped off around the holes. Would this make a difference to have a small amount of overspray on that and the head maybe? I figured the IMG would take care of that.. I'm at a loss here and I'm not sure what my next step should be. Let me know!

 

A manifold leak would be hard to reach the tranny areas of the passenger side ?, maybe it's leaking from the coolant temp sensor on the rear of the manifold , or a hose along the firewall ?

 

I'll re-check the coolant temp sensor, the hoses might be a PITA.. Anyone else have any ideas? BUMP

 

Use a bright light and rub your fingers on every engine part you can reach until you find some dampness. If you find some fluid the smell of coolant is very distinguishable.

 

Found the issue, close threwd

 

What was the issue?

 

I just did the motor swap and for some odd reason I didn't put two of the clips back on one of the coolant lines. To find this, I pressurized the system and originally thought it was coming from my water pump (bad seal maybe). But after removing the alternator and pressurizing the system again it was clear as day to where the leak was.

 

great that you found it