Cooling System Drain on Engine Block?
Thread Starter
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New User
Joined: Nov 2006
Posts: 21
Likes: 0
From: Grand Blanc
Cooling System Drain on Engine Block?
Hello,
I have a 2001 F-350 Superduty 7.3L Powerstroke with 41,000 miles on it.<O
Is there a cooling system drain on the engine block?<O
I believe the system holds 8+ gallons or so. Only a little over 2 gallons total drained from the radiator and coolant degas reservoir.<O
The OEM shop manuals do not seem to mention or show a drawing of a coolant drain plug on the engine block. I’ve looked on the block, but no luck.<O
<O
There is a plug for a coolant filter near the thermostat, but I was hoping for one lower in the system. In searching, I removed 2 plugs from the block and found oil, but no coolant!<O
I have a case of Ford Premium Cooling System Fluid (E2FZ-19549-AA) and a bottle of F-15 coolant conditioner......but where’s the drain plug? <O
Thanks<O
I have a 2001 F-350 Superduty 7.3L Powerstroke with 41,000 miles on it.<O
Is there a cooling system drain on the engine block?<O
I believe the system holds 8+ gallons or so. Only a little over 2 gallons total drained from the radiator and coolant degas reservoir.<O
The OEM shop manuals do not seem to mention or show a drawing of a coolant drain plug on the engine block. I’ve looked on the block, but no luck.<O
<O
There is a plug for a coolant filter near the thermostat, but I was hoping for one lower in the system. In searching, I removed 2 plugs from the block and found oil, but no coolant!<O
I have a case of Ford Premium Cooling System Fluid (E2FZ-19549-AA) and a bottle of F-15 coolant conditioner......but where’s the drain plug? <O
Thanks<O
Post Fiend
Joined: Jun 2006
Posts: 5,497
Likes: 7
From: Central, Al
Each side of the block toward the back they have a 1/4" square drive.
On the driverside if you get under the truck and find the oil filter mount, between it and the bell housing. the pass side is in about the same spot above the starter. There will also be about 1 gallon in the heater core.
On the driverside if you get under the truck and find the oil filter mount, between it and the bell housing. the pass side is in about the same spot above the starter. There will also be about 1 gallon in the heater core.
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
Be sure you get the right plug. There's also an oil plug in that area. Look at this pic: https://www.ford-trucks.com/user_gal...133604&width=0
The one that has the black hose going into it next to the oil filter is the oil plug. The water drain plug is the other plug, above the one with the hose in it.
Also, only 2 gallons from the radiator? I remember getting 4-5 gallons out of my radiator.
The one that has the black hose going into it next to the oil filter is the oil plug. The water drain plug is the other plug, above the one with the hose in it.
Also, only 2 gallons from the radiator? I remember getting 4-5 gallons out of my radiator.
Laughing Gas
Joined: Jul 2003
Posts: 1,157
Likes: 1
From: Littleton, Colorado
you can't miss the "handy" location of the one on the passenger side.
Just look at the worst place for it, right above the starter and you're good to go on that side. Out in the open on the driver's side.
When you re-install the plugs, put a little pipe thread compound or anti sieze and they'll come out smooth the next time too.
Make sure you disconnect the batts, the starter wire is all but impossible to avoid.
AustinS
Just look at the worst place for it, right above the starter and you're good to go on that side. Out in the open on the driver's side.
When you re-install the plugs, put a little pipe thread compound or anti sieze and they'll come out smooth the next time too.
Make sure you disconnect the batts, the starter wire is all but impossible to avoid.
AustinS
Thread Starter
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New User
Joined: Nov 2006
Posts: 21
Likes: 0
From: Grand Blanc
Thanks everybody!
Only 2 gallons from the radiator seemed strange to me too. I will check to make sure there is no crud blocking the radiator drain. A coolant filter might be in order.
Thanks for the driver’s side picture!
Drain onto the starter? After being resigned to NO coolant drain on the block, I’ll take whatever drain location I can get!
I haven’t done anything for the engine so far, except change the oil and filter every 4000 miles. This pickup truck usually sees very light duty. Now that the “new” is wearing off, it is time to start looking into things.
Only 2 gallons from the radiator seemed strange to me too. I will check to make sure there is no crud blocking the radiator drain. A coolant filter might be in order.
Thanks for the driver’s side picture!
Drain onto the starter? After being resigned to NO coolant drain on the block, I’ll take whatever drain location I can get!
I haven’t done anything for the engine so far, except change the oil and filter every 4000 miles. This pickup truck usually sees very light duty. Now that the “new” is wearing off, it is time to start looking into things.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Since you are flushing the coolant, I and several others here are using Shell Rotella ELC coolant. It's specially formulated for heavy duty diesel engines with anti-cavitation compounds in the formula. It's good for 300,000 miles. (not a typo).
It's a deep red color and you must flush all of the old coolant out before you put in the ELC.
It's a deep red color and you must flush all of the old coolant out before you put in the ELC.
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Post Fiend
Joined: Jun 2006
Posts: 5,497
Likes: 7
From: Central, Al
I put a trash bag around the starter and then just let the coolant drain around it.
Here is a flush procedure http://www.dieselsite.com/pdffiles/evans.pdf its for evans but I used it when i changed to Rotella ELC.
With the ELC a leaky weep hole on the water pump looks like the Texas Chainsaw Massacre.
Here is a flush procedure http://www.dieselsite.com/pdffiles/evans.pdf its for evans but I used it when i changed to Rotella ELC.
With the ELC a leaky weep hole on the water pump looks like the Texas Chainsaw Massacre.
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