442 heater hose size

[Jims442]

Can anyone tell me the common size for the heater hoses on a 1986 307 olds .I was thinking 3/4 and 5/8 ? Ty Jim.

 

[pontiacgp]

you are correct, the 3/4" is the return line

 

[565bbchevy]

10 AN and 12 AN

 

[Jims442]

you are correct, the 3/4" is the return line

Ty Do you know what the other is ? is it 5/8 or 5/16 ? I don,t have my car available right now to pull the hoses or I would have just measured them.

 

[Jims442]

10 AN and 12 AN

I always love your comments buddy LOl What does 10 and 12 mean are we talking metric??

 

[565bbchevy]

I always love your comments buddy LOl What does 10 and 12 mean are we talking metric??

That would be the sizes for steel braided heater hoses.

 

[Jims442]

That would be the sizes for steel braided heater hoses.

Oh ok No I'm replacing all my hoses to original.

 

[Jims442]

That would be the sizes for steel braided heater hoses.

And ty for the heads up on my water pump pulley bolts.The 2 that are on there were both lose.

 

[565bbchevy]

And ty for the heads up on my water pump pulley bolts.The 2 that are on there were both lose.

You're welcome, I'm glad you took care of it.

 

[pontiacgp]

Ty Do you know what the other is ? is it 5/8 or 5/16 ? I don,t have my car available right now to pull the hoses or I would have just measured them.

I said you were right about the sizes, 3/4 and 5/8