Forum: Overhaul
10-27-2023, 03:22 PM
|
|
Replies: 7
Views: 1,119
[QUOTE=ndutton;130786]Since you've tried just...
[QUOTE=ndutton;130786]Since you've tried just about everything with the valve in place it sounds like it's time to remove and replace the valve and ream the guide.
I have removed the valve. The...
|
|
Forum: Overhaul
10-27-2023, 03:18 PM
|
|
Replies: 7
Views: 1,119
stuck tappet
I'll try for a while longer, but not eager for the next step: removing the tappet requires removing the engine from the boat so that the cam shaft can be removed. Only then can the tappets be...
|
|
Forum: Overhaul
10-25-2023, 03:30 PM
|
|
Replies: 7
Views: 1,119
stuck tappet
Has anyone had success freeing up a stuck tappet? I have one exhaust valve tappet which, though not frozen, is so stiff that the valve spring can not push it down. I can tap it down with a hammer,...
|
|
Forum: Announcements
02-24-2017, 02:09 PM
|
|
Replies: 62
Views: 18,455
|
|
Forum: Introductions
09-24-2015, 08:06 PM
|
|
Replies: 17
Views: 14,036
machine shop
I used Marty Brown Racing (120 Langley rd, Glen Burnie, although his shop is way around at the very back of that warehouse complex). He sent the crank out to someone else: it looks great. If you...
|
|
Forum: Pearson
08-24-2015, 07:53 PM
|
|
Replies: 6
Views: 7,520
Until you tear down the engine, hitting one...
Until you tear down the engine, hitting one piston is trying to move all 4. If its frozen this badly you are going to want to tear it down completely anyway. Best chance is to pull the engine and...
|
|
Forum: Troubleshooting
08-07-2015, 01:24 PM
|
|
Replies: 10
Views: 3,739
|
|
Forum: Troubleshooting
08-07-2015, 10:28 AM
|
|
Replies: 10
Views: 3,739
|
|
Forum: Troubleshooting
08-07-2015, 10:20 AM
|
|
Replies: 10
Views: 3,739
|
|
Forum: Troubleshooting
06-09-2014, 08:32 PM
|
|
Replies: 40
Views: 14,046
permatex for gas fittings
Don't use tephlon tape or RTV for fuel line fittings. Use Permatex Form-a-gasket #1 as a sealant on the threads of rigid fuel fittings such as the elbow you describe. Might well be what is on there...
|
|
Forum: General Interest
02-21-2014, 03:49 PM
|
|
Replies: 15
Views: 5,291
|
|
Forum: Overhaul
12-23-2013, 02:53 PM
|
|
Replies: 9
Views: 4,383
|
|
Forum: For Sale - Engines and Engine Parts
12-18-2013, 11:52 AM
|
|
Replies: 24
Views: 17,815
frozen engine
Well, I'll mostly defer to more experienced hands here, but ....
Last winter I did free up a frozen engine by complete dis-assembly. It is not back together yet.
I think the first question...
|
|
Forum: Ignition System
11-27-2013, 04:42 PM
|
|
Replies: 58
Views: 16,878
The ignition switch provides V to coil. The...
The ignition switch provides V to coil. The starter button provides V (momentarily) to the starter solenoid. The remote starter switch is used to parallel the normal starter button. Note that it...
|
|
Forum: Cooling System
11-26-2013, 05:19 PM
|
|
Replies: 31
Views: 7,209
cleaning cooling passages
I have had luck cutting about 8 inches off the tail end of a plumbers snake: the kind that looks like a tightly coiled spring and about 1/4 inch thick. You can chuck that in a drill and run it in...
|
|
Forum: Cooling System
11-01-2013, 10:44 AM
|
|
Replies: 11
Views: 4,193
|
|
Forum: Cooling System
10-31-2013, 09:22 PM
|
|
Replies: 11
Views: 4,193
Smoking gun
Ended up pulling the head. Closest thing to a smoking gun is the chunks of rusted metal lodged in the oval cooling passages next to the valves. I got these out using a shop vac and a coat hanger to...
|
|
Forum: Cooling System
10-28-2013, 01:24 PM
|
|
Replies: 11
Views: 4,193
last gasp
Long version: hauled boat 4 years ago for major deck repair. Winterized engine as usual. The next year I was advised to replace the anti-freeze. At that time I removed the impeller and .....
|
|
Forum: Cooling System
10-28-2013, 09:44 AM
|
|
Replies: 11
Views: 4,193
next step ...
Input water flow good. When removing thermostat housing also removed "el" from manifold and verified it was open. Is this what you mean by "under"? Can not guarantee that a water pump vane didn't...
|
|
Forum: Cooling System
10-27-2013, 08:13 PM
|
|
Replies: 11
Views: 4,193
Next step for poor coolant flow?
I am trying to get my A4 running after 4 years on the hard. Started OK, but have very low coolant flow, with overheating quite soon. Replaced impeller and checked block coolant distribution plate. ...
|
|
Forum: Troubleshooting
10-14-2013, 05:31 PM
|
|
Replies: 17
Views: 5,722
air leak experience
Someone suggested an air leak, which rings a bell with me. Some years ago I had a problem similar to yours where the engine began to run rough and stumble, and which gradually got worse until it...
|
|
Forum: Troubleshooting
05-06-2013, 08:31 PM
|
|
Replies: 10
Views: 3,349
fuel pick-up tube
I had a problem with a hole in the fuel pickup tube where it entered the tank. The engine ran fine with a full tank, then began to miss a little, then stall and restart, and finally not restart. ...
|
|
Forum: Overhaul
04-02-2013, 05:40 PM
|
|
Replies: 10
Views: 5,394
cooling passage tools
I cut about 8 inches off the tail of a plumbing snake which was about 1/4 inch thick metal coiled spring and chucked it in a drill. Then I could run the drill and poke around in the cooling passages...
|
|
Forum: Introductions
03-25-2013, 08:10 PM
|
|
Replies: 17
Views: 14,036
|
|
Forum: Introductions
03-24-2013, 03:03 PM
|
|
Replies: 17
Views: 14,036
Finding a machine shop
I recently bought an A4 of unknown quality on ebay. Began tearing it down a couple of weeks ago using the very first edition of Moyer's manual. It says to take various parts to a machine shop. I...
|
