How do you replace a rear oil pump?

Prime the pump by turning the pump and pouring oil in it until it comes out the other end. Do this whether or not you are replacing the pump. To replace the upper main seal, you will probably have to use a screwdriver and small hammer to get the seal (ends marked with red arrows) to slide around the crank.

How to replace a rear main seal on a truck?

You do not want to scratch the crank. Do not damage the oil pump driveshaft (also marked with red arrow). Lightly oil the new seal half and with the paint stripe side facing the rear of the truck, carefully insert it into the seal hole. Do not cut or shave the seal on the engine block as an oil leak may result.

When to know if you have a rear main seal leak?

Once you’ve determined you’ve got a dripping leak, you’ll want to start from the bottom and work your way up. If you see oil dripping on the back of your oil pan or on the front of your transmission bell housing it’s possible you have a rear main seal leak.

What should I do if my oil pump is not working?

If your oil pump isnâ€™t working properly, it wonâ€™t be long until your engine becomes an oversized paperweight. A failed pump can lead to low oil pressure, lack of lubrication, and eventual engine failure. Step 1: Chock the wheels and set the emergency brake. Park your vehicle on level ground and set the emergency brake.

Is there an oil leak from the Ream seal?

After 130,000 miles I developed an oil leak from the ream main seal. Enough to use oil and leave drops on the driveway. Decided to tackle the project myself to save a bunch of money.

How do you replace a rear oil pump?