Breaking It In; Keep It Maintained - Ford Ranger Maintaince And Repair Manual

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Damage to the engine can result if it is allowed to run with no oil pressure. Check the engine oil level to make

sure that it is full. Check for any leaks and if found, repair the leaks before continuing. If there is still no

indication of oil pressure, you may need to prime the system.

Confirm that there are no fluid leaks (oil or other).

Allow the engine to reach normal operating temperature (the upper radiator hose will be hot to the

At this point any necessary checks or adjustments can be performed, such as ignition timing.

Install any remaining components or body panels which were removed.

BREAKING IT IN

Make the first miles on the new engine, easy ones. Vary the speed but do not accelerate hard. Most

importantly, do not lug the engine, and avoid sustained high speeds until at least 100 miles. Check the engine

oil and coolant levels frequently. Expect the engine to use a little oil until the rings seat. Change the oil and

filter at 500 miles, 1500 miles, then every 3000 miles past that.

Now that you have just gone through all of that hard work, keep yourself from doing it all over again by

thoroughly maintaining it. Not that you may not have maintained it before, heck you could have had one to

two hundred thousand miles on it before doing this. However, you may have bought the vehicle used, and the

previous owner did not keep up on maintenance. Which is why you just went through all of that hard work.

STARTING THE ENGINE

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