|
Author
|
Message
|
|
Cactus
|
|
|
Group: Forum Members
Last Active: 5 Years Ago
Posts: 229,
Visits: 30.2K
|
I am playing with a motor which appeared to have a leak at the rear main. Since it is now out of the car I put some light weight oil in it and spun the oil pump up to about 65 psi for five minutes and no leak anywhere. What am I missing here?
  Jan Urbanczyk Major USMC Ret. Bowie Maryland
|
|
|
|
|
lyonroad
|
|
|
Group: Forum Members
Last Active: 10 Years Ago
Posts: 703,
Visits: 3.1K
|
Just my 2 cents worth but I would think the motor would have to be running for the rear seal to leak.
Mark
1956 Mercury M100
1955 Ford Fairlane Club Sedan
Delta, British Columbia
|
|
|
|
|
Cactus
|
|
|
Group: Forum Members
Last Active: 5 Years Ago
Posts: 229,
Visits: 30.2K
|
Mark, you are probably right, but this thing was not running when it was bleeding eight inch puddles on my floor. I have messed with this motor for about three years, replacing seals, etc. clutching at straws here.
Jan Urbanczyk Major USMC Ret. Bowie Maryland
|
|
|
|
|
Pete 55Tbird
|
|
|
Group: Forum Members
Last Active: 4 Years Ago
Posts: 721,
Visits: 93.2K
|
One thing that you change by running the oil pump with the engine out is the motor is not getting up to temperature and there is no expansion. Have you tried changing rear main seal holder? Could it be coming from the rear of the cam? Try not to decide what the problem is without considering other options too. Pete
|
|
|
|
|
Cactus
|
|
|
Group: Forum Members
Last Active: 5 Years Ago
Posts: 229,
Visits: 30.2K
|
Pete, I have changed the seal, the seal housing, and nothing changes. I am in the process of building a temporary run stand,but thought I would see what this would tell me.
Jan Urbanczyk Major USMC Ret. Bowie Maryland
|
|
|
|
|
lyonroad
|
|
|
Group: Forum Members
Last Active: 10 Years Ago
Posts: 703,
Visits: 3.1K
|
Don't stress too much Jan I am sure one of the resident leakologists on this site (I am definitely not one) will suggest something.
Mark
1956 Mercury M100
1955 Ford Fairlane Club Sedan
Delta, British Columbia
|
|
|
|
|
Cactus
|
|
|
Group: Forum Members
Last Active: 5 Years Ago
Posts: 229,
Visits: 30.2K
|
Mark, I never stress, I have had this motor in and out of my car so many times I feel like I have zippers on it. I have another motor in the car so this winter I am going to find out is the story.
Jan Urbanczyk Major USMC Ret. Bowie Maryland
|
|
|
|
|
Cactus
|
|
|
Group: Forum Members
Last Active: 5 Years Ago
Posts: 229,
Visits: 30.2K
|
Mark, I never stress, I have had this motor in and out of my car so many times I feel like I have zippers on it. I have another motor in the car so this winter I am going to find out is the story.
Jan Urbanczyk Major USMC Ret. Bowie Maryland
|
|
|
|
|
speedpro56
|
|
|
Group: Forum Members
Last Active: Last Year
Posts: 1.3K,
Visits: 9.2K
|
I'm with Pete on checking the rear cam plug because they have been known to leak.
-Gary Burnette-
|
|
|
|
|
ponymare
|
|
|
Group: Forum Members
Last Active: 5 Years Ago
Posts: 43,
Visits: 45.0K
|
If the engine has a lot of miles, the main bearings could have enough wear that crank pressure on the sealing area moves up and down, causing it to leak.
|
|
|
|