explorer serpentine belt swap

[papabill]

Anybody know what thread size the screws are on the passenger side belt tentioner.
looks like 3/8's SAE or is it metric?

bill

 

[broncodriver99]

Check this tech article. There is a lot of fastener info in the pictures.

http://classicbroncos.com/tech/explorer-5-0-serpentine-accessory-drive-belt-conversion

 

[Viperwolf1]

Anybody know what thread size the screws are on the passenger side belt tentioner.
looks like 3/8's SAE or is it metric?

bill

Those are metric. Rule of thumb is anything that threads into the block or heads are SAE. Anything threading into the brackets are metric.