Skip the auto shop - Our mechanics make house calls

Q: Differential fill plug can't be removed - 1984 Chevrolet K20

asked by on

I have tried and tried, but can not remove the differential fill plug. I even used a torch to heat it and I also tried pouring various kinds of penetrating fluid on it. Nothing works. Almost all of the fluid in the pinion seal has leaked out, plus the rear end has been squealing when I just lightly touch the throttle. Is there a way to fill this without removing the differential fill plug?

A: Hi there, thanks for your question. A few d...

Hi there, thanks for your question. A few different differentials were offered in trucks like yours, so I'm not sure which one you have. In some cases, there are aftermarket differential covers available that include a fill plug. If not, you can try chiseling out the OEM fill plug or you could drill and tap a new plug into the differential cover.

If you'd like further help with this issue, consider having one of our certified automotive technicians come to your home or office to perform this service for you.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: When I'm driving the car pauses and when I hit the gas it comes back to life, is it the accelerator sensor?

Hi there. The APP (accelerator pedal position sensor) could cause the vehicle to pause or hesitate. A faulty TPS (throttle position sensor), a faulty MAF (mass airflow) sensor, incorrectly calculating the incoming air to the engine are also possibilities. Typically,...

Q: Multiple leaking parts

CV axles leak from the a dust boot. Inside the dust boot is a special high temperature grease that provides lubrication to the joint. If the grease leaks, the joint will be damaged from the lack of lubrication and extreme...

Q: Car squealing when accelerating

Your concern sounds like your serpentine belt. After time corrosion and/or rust can build up in the grooves of the pulleys and the belt causing such a sound to be produced. The tensioner should also be inspected for proper operation,...

Related articles

How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.