What causes an oil cooler to leak?

Oil cooler gaskets can be defective directly from the factory. Loose seals can cause leaks. When the seal becomes loose, it can allow oil to escape and drip into areas where it can cause corrosion and other problems.

Where is the oil cooler located on a 7.3 Diesel?

A 7.3L’s log-style oil cooler housing attaches to the engine via a front header bolted to the front cover, and a rear header that attaches to the oil cooler pad at the back of the block. Of the two mounting locations, the front header is more difficult to access.

How much does it cost to fix an oil cooler leak?

Engine Oil Cooler Replacement Cost – RepairPal Estimate. Labor costs are estimated between $162 and $204 while parts are priced between $369 and $381.

Will a leaking oil cooler cause overheating?

Engine coolant leaking from oil cooler Similar to a loss of oil, an external oil cooler failure may force all of the engine coolant out of the engine. If enough coolant leaks from the radiator or oil cooler, it can result in engine overheating problems and mechanical component failure.

Can an oil cooler be repaired?

Yes, we can generally repair them, but it depends on the type of oil cooler and the type of failure. Sometimes in a worst case scenario, a temporary repair can be performed so your machine can continue to operate until a new cooler can be supplied.

How often should you change oil in a 7.3 Powerstroke?

7.3L Powerstroke Maintenance Schedule : Normal Operating Conditions

Maintenance/Service Miles
Change Oil 5,000 miles
Change Oil Filter 5,000 miles
Change Fuel Filter 15,000 miles or when filter restriction lamp illuminated
Replace Air Filter 30,000 miles or 30 months (Or when restriction gauge in red zone)

What does oil cooler look like?

An oil cooler is a component that looks like a small cross-flow heat exchanger. To make it more efficient, it can be positioned in varying places in the engine depending on where it is deemed to be suitable. The oil inside the cooler will help to keep the optimal temperature range of the engine and its parts.

Can I power wash my 7.3 Powerstroke?

Use the most powerful water you have available to you, power washer or water hose with pressure nozzle. As a rule of thumb when determining the right water pressure, don’t use water pressure that is too strong to spray on your bare leg.

What happens when oil cooler fails?

When an oil cooler fails, it can force all the coolant out of the engine and raise the risk of an overheated engine, which may lead to possible engine damage. If the leak is significant, you’ll notice coolant on the ground or see steam gushing out from underneath the hood.

Can I drive with a bad oil cooler?

You can drive for a while, depending on the symptom you notice. You can manage the car with a bad oil cooler as long as you don’t need to do any tasking driving.

Where does the oil leak in a 7.3 Powerstroke come from?

The 7.3 HPOP reservoir gasket to the front cover or the reservoir top cover gasket A 7.3 powerstroke oil cooler leak usually originates from the oil cooler o-rings or an oil cooler gasket. Find your oil filter and trace it to the oil cooler assembly.

What to do if you have an oil cooler leak?

Make sure you clean the old o-ring residue out of the mounts; I usually use some mineral spirits or parts washer solvent and a piece of fine Scotchbrite for that. Removing the mounts from the cooler is easier if you smack the end of each mount (after removing the assembly from the engine) with a rubber mallet to break the o-rings free.

Can a 7.3 oil cooler be replaced?

I’m wondering, are the 7.3 oil coolers reliable enough to just replace the orings on them? Or should I replace the cooler while its out? Truck has 217,000 miles on it.

How can I tell if my HPOP is leaking oil?

You can check for slow oil leaks from the 7.3 HPOP by checking the HPOP reservoir level (With the engine OFF!) The reservoir should have oil all the way up to within 3/4″ to 1″ from the top of the inspection plug. Other symptoms include a gradual loss of power due to lower pressure from the HPOP’s oil delivery system.