E-Bodies.org Cuda Challenger Forum

Technical Shop => Engine, Transmission & Rear End => Topic started by: FSHTAIL on September 18, 2021, 12:13:32 PM

Title: Rear main seal, 340.
Post by: FSHTAIL on September 18, 2021, 12:13:32 PM
What is the go-to type, brand and or method for rear main seal replacement?

She marked her spot everywhere it stopped.  😁
Title: Re: Rear main seal, 340.
Post by: Mrbill426 on September 18, 2021, 01:42:30 PM
Personally I like Fel-Pro seals and gaskets.
Title: Re: Rear main seal, 340.
Post by: JS29 on September 18, 2021, 01:45:10 PM
 :iagree: X2
Title: Re: Rear main seal, 340.
Post by: FSHTAIL on September 18, 2021, 03:45:28 PM
Quote from: Mrbill426 on September 18, 2021, 01:42:30 PM
Personally I like Fel-Pro seals and gaskets.

I see a few versions listed, which ones are the good ones?
Title: Re: Rear main seal, 340.
Post by: Mrbill426 on September 18, 2021, 03:54:16 PM
#BS40245
Just pay attention to install instructions to avoid installing it backwards  :bigthumb:



Quote from: Chris D. on September 18, 2021, 03:45:28 PM
Quote from: Mrbill426 on September 18, 2021, 01:42:30 PM
Personally I like Fel-Pro seals and gaskets.

I see a few versions listed, which ones are the good ones?
Title: Re: Rear main seal, 340.
Post by: MoparLeo on September 19, 2021, 04:12:34 PM
https://www.moparaction.com/2016/03/16/dont_take_a_leak/#:~:text=I%20like%20to%20offset%20the%20parting%20surfaces%20from%20the%20cap%20and%20block%20by%20about%201/8%E2%80%B3%2Cand%20put%20a%20VERY%20small%20daub%20of%20RTV%20on%20the%20parting%20surfaces.

Make sure it is not just the oil pressure unit on the back of the block that is not leaking. Many times it is the sender.