Forum: Cooling System
06-04-2018, 09:44 PM
|
Replies: 11
Views: 3,927
Holes in my Head, continuing
Following up on my 01-01-2018 post about raw-water cooling 'pinhole' leaks in my head, and after dealing with several other engine issues, I went ahead and did the last option in the post, that is: ...
|
Forum: Cooling System
01-01-2018, 10:50 PM
|
Replies: 11
Views: 3,927
Holes in my Head
New Year’s greetings to all afourians.
After patching a large hole in my head last spring, my raw-(salt) water cooled A4 is running fine, but with one problem: the head now has had numerous...
|
Forum: Overhaul
05-01-2017, 10:33 PM
|
Replies: 23
Views: 8,148
Finishing, hopefully, my broken manifold studs...
Finishing, hopefully, my broken manifold studs adventure, I completed the needle gunning and Dremel rotary brushing of rust down to bare metal without creating/findng any more holes. So I patched...
|
Forum: Overhaul
03-01-2017, 07:57 PM
|
Replies: 23
Views: 8,148
|
Forum: Overhaul
02-21-2017, 05:37 PM
|
Replies: 23
Views: 8,148
|
Forum: Overhaul
02-19-2017, 06:45 PM
|
Replies: 23
Views: 8,148
Happily, I was able to chase the manifold stud...
Happily, I was able to chase the manifold stud threads in the block to what seems their full depth, about 1/2 inch. The threads seem to be in good shape. So it appears that I can buy new studs,...
|
Forum: Overhaul
02-16-2017, 10:37 PM
|
Replies: 23
Views: 8,148
|
Forum: Overhaul
02-13-2017, 04:12 PM
|
Replies: 23
Views: 8,148
Thanks, Al and 'sastanley', for your helpful...
Thanks, Al and 'sastanley', for your helpful responses.
I disconnected the water inlet hose so now have about an inch between the block and the manifold; still not enough for useful photos. The...
|
Forum: Overhaul
02-08-2017, 08:10 PM
|
Replies: 23
Views: 8,148
Broken Manifold Studs
While attempting to remove a threaded plug from the top of the exhaust mixing elbow, I felt something give way; I had broken all three of the studs holding the manifold to the block. The looked very...
|
Forum: Irwin
06-13-2015, 11:00 PM
|
Replies: 4
Views: 9,360
For future flushing, I bought 'Trac Descaler...
For future flushing, I bought 'Trac Descaler Barnacle Buster' from West Marine. The MSDS says it is phosphoric acid. The ad copy speaks of it being effective at removing all sorts of things. The ad...
|
Forum: Cooling System
06-11-2015, 11:10 AM
|
Replies: 10
Views: 3,495
Cooling System Capacity
Thank you all for your responses. I ended up doing a pressure flush per the manual, and I will remove exterior block and head rust and apply Rustoleum as an ongoing project.
For future flushing,...
|
Forum: Cooling System
06-08-2015, 11:18 PM
|
Replies: 10
Views: 3,495
Cooling System Capacity, Rust
On my raw water-cooled A4, I have installed the 'T' fitting between my raw water intake and the water pump, and am about to do full-strength vinegar flushes, as discussed in many threads and...
|