Coolant out the GP hole

drinkypoo

Full Access Member
Joined
Mar 4, 2009
Posts
259
Reaction score
1
Location
California
Went to do a compression test for no start, took all the glow plugs out, found out the cheap set doesn't fit the hole after all.

Week later, I'd made myself an adapter with a grease gun whip and a 1/8 NPT to M10x1 sensor adapter. Checked voltage, turned the engine over one time to make sure all was well, got a face and underhood area full of purty green coolant from the left (D/S) bank, one of the middle cylinders.

Do I have necessarily have cavitation, or can a head gasket failure cause this problem? That is, should I even bother tearing the whole top end of the engine apart so that I can remove the D/S head and replace the gasket, or do I just start looking for a runner for an engine swap? I found a block for $300, but of course who knows what condition that's in - it's available because of a cracked head. All my local runners (NoCal) are in the multi-thousands range. I'd like to pay no more than 1500 tops for a donor, more like 1000 unless it has some other stuff I want. 6.9 would be fine. all I care about is that it's running well. I have accessories.
 

OLDBULL8

Good Morning Ya'll.
Supporting Member
Joined
Feb 12, 2009
Posts
9,923
Reaction score
338
Location
Delphos , Ohio
I would just about guess it's cavitation. #6 - #8 and #7 are the ones prone to cav. You could bring that cyl. up to TDC, then pressurize the coolant system, if you get coolant in the oil pan, it's a good indication of cav.
 

drinkypoo

Full Access Member
Joined
Mar 4, 2009
Posts
259
Reaction score
1
Location
California
I was pretty sure that was going to be the answer. I thought about ripping the engine apart and said shucks, this is probably going to be a waste of time anyway
 

icanfixall

Official GMM hand model
Joined
Apr 10, 2005
Posts
25,858
Reaction score
673
Location
West coast
Were you loosing any coolant before you did the plug removal. Might be a cracked head too or cavitation. Really not thinking its a bad gasket. Those usually don't leak with no pressure on them.
 

drinkypoo

Full Access Member
Joined
Mar 4, 2009
Posts
259
Reaction score
1
Location
California
I didn't notice any coolant loss, but maybe it just started. Too bad, too. I've been using a precharged fleetguard coolant filter, changed ahead of schedule with my coolant.

So far the cheapest parts truck I've found is $1500 and it has two leaky injectors and overheats. So not a great deal. It does have a Banks though :p
 

stealth13777

Full Access Member
Joined
May 28, 2014
Posts
493
Reaction score
37
Location
Jacksonville, FL
I know the issue of time constraints, but pulling it apart to see might not be a bad idea. Having another motor ready wouldn't be a bad idea either though haha


Sent from my iPhone using Tapatalk
 
Top