Which is the best thread to repair oil pan drain bolts?
The helicoil is a hardened steel thread insert that comes in many different sizes and thread pitch. Repair with a helicoil is strong and permanent. I have used helicoils to repair head bolts without regret. The third and best option for repairing oil pan drain bolt threads is to use a drain bolt repair kit made by TIME-SERT.
How is coolant transferred from the engine to the oil?
As coolant is transferred though the engine series of gaskets and seals are used to control the coolant from getting into internal parts where it is not suppose to be such as the engine crankcase. Also when a cooler fails it can leak oil into the coolant or coolant into the oil.
Can a oil drain bolt never wear out?
If the oil drain bolt was never over tightened or cross threaded, the drain bolt would never wear out. Your problem is most likely man-made and if you have your oil changed at the same shop consistently, they should fix your issue at no cost in my opinion. Ej on May 29, 2019:
Why is my oil pan plug not coming out?
The oil pan plug on my 2000 Toyota LandCruiser was stripped over 10 years ago. It was drilled out and a Helicoil possibly used to repair it. When I went to get oil changed today I was told the plug is just spinning and isn’t coming out; the pan is not leaking.
What to do when coolant is mixed with oil?
(There may be more depending on amount of coolant in oil.) Loosen the drain plug using a box-end wrench or 6-pt. socket. Carefully remove the plug by hand, making sure the catch pan is underneath the plug hole.
Where do I put the oil catch pan?
Once the vehicle is safely and securely supported, put on safety glasses, crawl under the vehicle. Locate the oil drain plug, which is on the bottom of the oil pan. Position a container, such as an approved oil catch pan, under the drain plug. Make sure the catch pan is large enough to hold the volume of oil expected to drain out.
How to check the condition of an oil pan?
Oil will flow rapidly from the hole, but allow several minutes for all old oil to drain out. Wipe the oil pan threads and oil drain plug with a rag. Visually inspect the condition of the oil pan and oil drain plug threads and gasket. Buy a replacement drain plug if you have any concerns about the condition of the plug.
The helicoil is a hardened steel thread insert that comes in many different sizes and thread pitch. Repair with a helicoil is strong and permanent. I have used helicoils to repair head bolts without regret. The third and best option for repairing oil pan drain bolt threads is to use a drain bolt repair kit made by TIME-SERT.
Do you need a new oil drain bolt?
The kit also comes with new oil drain bolts and sealing washers. This is a plus, and there is no need to try to match up the thread pitch or find the right diameter bolt to fit the pan after the repair.
What causes oil to leak out around the bolt?
Stripping the threads in the pan can cause the oil to leak out around the bolt. It’s unfortunate when a customer comes in for a simple oil change and ends up walking out of the dealership with a bill for over $200.
What kind of lubricant should I use for nut and screw installation?
Power transmission: When tightening the screws and bolts, ensuring that all the power is distributed evenly across the entire assembly is important. Using high quality lubricants will help with this. Protection against corrosion: Depending on the types of lubricants you use, they can also reduce the risk of corrosion of the fasteners.