When to replace a transfer case output shaft seal?

If your vehicle continues to leak oil from the transfer case after replacing the transfer case output shaft seal, then you may need to get a professional to take a look at the transfer case. If the problem persists, get one of the certified technicians at YourMechanic to inspect the transfer case and diagnose the problem.

What causes the output shaft seal to bend?

This puts a lot of stress on the output shaft seal and makes the seal bend. When the seal is hard, bending the seal will allow fluid to escape the transfer case and allow dirt, debris, and water to enter into the transfer case. The most common sign of output shaft seal failure is the drip of gear oil leaking from the seal.

What to use to clean output shaft seal?

Use emery cloth grit 320 to clean up the output shaft seal housing. Make sure that there is no residue left from the old seal. Step 1: Prepare the new output shaft seal. Get a tube of oil resistant silicon and place a fine film of silicon on the shell (outside area) of the new output shaft seal.

How do you replace a front slip drive shaft?

If you have a front slip yoke drive shaft, remove the bolts to the drive shaft on the rear axle. Use a large flat screwdriver and slightly pry out the drive shaft and universal joint from the yoke on the axle. Tip: Hold the caps to the universal joint so they donâ€™t fall off and tape them up with masking tape.

Where do you change the seal on a transmission?

Similarly, on a manual transmission, the shift housing seal is at the top of the transmission so the transmission again has to be removed to replace that seal. If you’ve got a front-wheel or all-wheel drive car, the most common leak point is the axle shaft seals.

What causes oil to leak from output shaft seal?

When the seal is hard, bending the seal will allow fluid to escape the transfer case and allow dirt, debris, and water to enter into the transfer case. The most common sign of output shaft seal failure is the drip of gear oil leaking from the seal.

Which is the most expensive seal to replace in a transmission?

The input shaft seal is the most expensive seal in your transmission to replace because it requires removing the transmission and partial disassembly. Similarly, on a manual transmission, the shift housing seal is at the top of the transmission so the transmission again has to be removed to replace that seal.

What is a front transmission seal?

The front transmission seal is a round seal with metal on the outer diameter and rubber on the inner diameter. It is driven into the front of the transmission behind the torque converter, metal to metal as an interference fit.

What is a transfer case seal?

The purpose of the transfer case output seal is to prevent fluid from leaking out of transmission, where the transfer case is connected by way of the transmission’s input shaft. The seal also helps to keep fluid from leaking out of the front and rear output shaft to the differentials,…

What is a transmission output shaft?

An output shaft is the part coming out of an engine that operates the accessories or transmits the engine’s power. This can drive the transmission or the alternator. Typically, an output shaft is terminology used in small engines or farm machinery. On a typical gasoline-powered, front-wheel drive automobile,…

Where is the viscous coupling on a Ford Explorer?

Here’s a quick ditty about the viscous coupling: Ford first introduced the viscous coupling in the 1997 Ford Explorer and Mercury Mountaineer AWD vehicles. The viscous coupling is a completely sealed torque distribution device located inside the transfer case and is connected to the front and rear output shafts.

Why is the transfer case not shifting in my Ford 4×4?

These motors do malfunction on occasion and are the most common cause of the transfer case not shifting. The relay modules behind the dash also malfunction and will sometimes melt the harness connector at the yellow and orange wires that feed the shift motor.

Is there a transfer case seal for Ford F-150?

Your Ford F-150 will be happy to know that the search for the right Transfer Case Output Shaft Seal products you’ve been looking for is over! Advance Auto Parts has 12 different Transfer Case Output Shaft Seal for your vehicle, ready for shipping or in-store pick up.

How much does Advance Auto Parts transfer case seal cost?

Advance Auto Parts has 12 different Transfer Case Output Shaft Seal for your vehicle, ready for shipping or in-store pick up. The best part is, our Ford F-150 Transfer Case Output Shaft Seal products start from as little as $4.99. When it comes to your Ford F-150, you want parts and products from only trusted brands.

Where is the oil seal on the transfer box?

Below you can see the evidence clearly on the bottom handbrake drum, and also on the adjacent chassis rail, so with oil leaking in this area it could only be one thing, and that’s the Rear Output shaft oil seal on the transfer box.

How do you mark the rear output seal?

Then mark the rear shaft somehow (I use a small file to mark both the rear prop front flange and brake drum in relation to each other) so it easy to re-assemble back in the same position

How do you remove a transmission transfer case?

Remove the four bolts on the transmission mount. Carefully jack up the transfer case about an inch. Then remove the six bolts securing the transfer case to the transmission. Be careful when removing these bolts because the transfer case is only supported by the jack. Lower the transfer case very slowly and remove it.

How do you remove transmission seal on Dodge Ram?

Use a seal puller to remove the transmission output seal. To prevent gouging the aluminum when applying leverage, place a piece of cardboard in between the puller and the transmission. Figure 6. Use a seal puller to remove the transmission output seal. Use a paint pen to mark the orientation of the retaining plate on the old transfer case.

Can a GMC NP231, 242 transfer case fit?

Fits: 1988-2000 Dodge, Chevy & GMC NP231, 242 & 243 transfer cases. Will not work on 3 bolt tail housing units. Need other transfer case parts, give us a call toll free 800-216-1632 complete overhaul kits, chain and much more, give us a call and let us help save you some money! Ask about good take out parts.

Is there a transfer case saver kit for GMC?

This kit is a great do it yourself project and can be retrofitted to your transfer case without removing it from the vehicle. If you have either the NP231, NP241 or NP243 this kit is for you.

What kind of transfer case does a Dodge truck use?

The NP205 is a gear driven transfer case. The NP205 was utilized in GM, Ford, International and Dodge full-size trucks. General Motors Chevrolet transfer case has a racetrack (circle eight) pattern in the model years 1971 through 1985 with 8-bolt circle pattern. Later model GM NP205 units were supplied with 6-bolt circle pattern.

Which is GM Genuine Parts rear transfer case rear?

Used this on a 2003 silveradildo and it’s NP246 transfer case and it fixed the slop on the rear driveshaft out of the transfer case. I used this while rebuilding the back half of a NP241 t-case. This went into the new tailshaft housing without any issues.

What kind of transfer case do I need for a GMC Sierra?

Chevrolet Silverado GMC Sierra 2500HD 3500HD with 6.6L Duramax diesel engine or 8.1L gas engine Fits 2001-2007 applications with allison transmission & 6 speed manual. Call with your VIN # or Model # (located on rear case half of transfer case) to insure we ship you the right transfer case for your vehicle. 29 spline Input Gear (Electric Shift)

When to replace a transfer case output shaft seal?