Cylinder Head Question
07-16-2013, 05:49 PM
#1
Nordschleife Master
Thread Starter
Cylinder Head Question
Guys,
Removed intake, fuel rails to do some servicing there. I primarily wanted to inspect/test the ISV. I've been having some idle issues, but runs great while in motion. Just did a 2000 mile jaunt to Wash DC and home.
I had some clean shop rags in the intake channels while doing the bench work. I had inspected each when intake was initially removed to look at the status of the input valves - slight carbon but looked OK.
After sitting for a day while at the bench, when I removed the rag in cylinder 8 it was soaking wet, and much to my surprise, and chagrin, the fossa was filled with coolant !
I removed the bolt for the dampener bracket in order to get clearance.
Does this bolt go into the water jacket or am I looking at a gasket ? I know the similar bolt on the passenger side does go into the jacket.
Thanks in Advance,
Craig
Removed intake, fuel rails to do some servicing there. I primarily wanted to inspect/test the ISV. I've been having some idle issues, but runs great while in motion. Just did a 2000 mile jaunt to Wash DC and home.
I had some clean shop rags in the intake channels while doing the bench work. I had inspected each when intake was initially removed to look at the status of the input valves - slight carbon but looked OK.
After sitting for a day while at the bench, when I removed the rag in cylinder 8 it was soaking wet, and much to my surprise, and chagrin, the fossa was filled with coolant !
I removed the bolt for the dampener bracket in order to get clearance.
Does this bolt go into the water jacket or am I looking at a gasket ? I know the similar bolt on the passenger side does go into the jacket.
Thanks in Advance,
Craig
07-16-2013, 06:18 PM
#3
Nordschleife Master
Thread Starter
When you say '...coolant from an adjacent channel', what exactly do you mean ?
Thanks
07-16-2013, 06:34 PM
#4
okay, nevermind then. I wasn't sure if you had the head off with a rag in the cylinder, and possibly also shoved in a coolant channel as well. I agree with your screw hole theory but i'll defer to others on that.
07-16-2013, 06:39 PM
#5
Rennlist Member
Yes the bolt for the dampener bracket goes through the coolant block-off plate (if you turned the heads around that is where the water bridge would go 
The heads are the same (left and right) just depends on how you put them together, so it is not uncommon when that bracket bolt is removed to get some coolant seeping out.
The heads are the same (left and right) just depends on how you put them together, so it is not uncommon when that bracket bolt is removed to get some coolant seeping out.
07-16-2013, 06:46 PM
#6
Nordschleife Master
Thread Starter
Yes the bolt for the dampener bracket goes through the coolant block-off plate (if you turned the heads around that is where the water bridge would go
The heads are the same (left and right) just depends on how you put them together, so it is not uncommon when that bracket bolt is removed to get some coolant seeping out.
The heads are the same (left and right) just depends on how you put them together, so it is not uncommon when that bracket bolt is removed to get some coolant seeping out.
You're a good man !
I was momentarily panic stricken (no, oh **** stricken) when I saw the coolant.
I have another sort embarrassing question, but I'm going to throw it up as its own thread for reply.
Thanks again.
Craig