• Tiny
  • Anonymous
  • 1995 Pontiac Firebird
  • 77,000 miles

Have a 3.4 6cyl. That I am rebuilding, when I tore the engine down it had a single piece rear crankshaft seal and then in the rear main cap and block it also had another seal in the two grooves in the cap and the block. I have been unable to locate the seal that goes in the two grooves. I have been told the one piece seal takes the place of the double two piece seal. I do not feel comfotable putting it back together like that! With that cheap one pieces seal.

Monday, December 24th, 2012 AT 4:18 PM

1 Reply

  • Tiny
  • hmac300
  • Expert
  • 44,811 posts

That's what they use. Just make sure crank is clean where seal rides and seal is lubed during install.

Was this
Monday, December 24th, 2012 AT 5:54 PM

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