T-stat housing question (2 Viewers)

[bryce112]

HI, so I ordered a new OEM lower thermostat housing along with the OEM upper thermostat housing. New lower housing does not have the bvsv port on the side. Can I just omit / bypass that or do I need a new / different housing? the old one is kinda beat and already has a helicoil on the one side. pics attached any guidance would be greatly appreciated.

 

[charliemeyer007]

You should provide the month year of your unit. I would get the correct part to avoid issues if you aren't having them now. I don't think that insert was installed correctly and they should have done both sides from the looks of it.

 

[bryce112]

Our FJ40 was built in October 1976. Looking at the Partsouq diagrams the part number appears to be 16331 60040 - which is supposed to be from 03/1969 to 01/1979. I'm kinda stumped here. And the part number I received from toyota was 16331 60040.

 

[bryce112]

so, digging further into partsouq - it looks like the correct lower housing may be 16331 - 61030 - which happens to be discontinued. so i guess I'm back to my original question of do i change the housing and bypass the bvsv, try and install a new helicoil in the old housing OR try and drill / tap the new housing to receive the bvsv?

 

[bryce112]

OR - maybe someone has a housing laying around?

 

[charliemeyer007]

Interesting. I would repair the one you have as it appears the unit is discontinued.

https://www.fjparts.com/advanced_search_result.php?keywords=thermostat+housing+

I bet the metal is too thin to tap - A good aluminum welder could install a plate or a fitting so the valve could be installed.

 

[bryce112]

received - something to think about the next day or so. thank you very much for your replies.

 

[charliemeyer007]

Well hopefully someone that knows the system will chime in and tell you if the valve is important or can be relocated elsewhere in the cooling system.

 

[45Dougal]

I'd definitely be looking to use the new housing, but yea I wouldn't tap it without adding a boss of weld onto it first.

How about moving the valve onto a different port on the head? Maybe tee onto the heater feed for example?

 

[65swb45]

Perhaps this thread is what you were thinking of @cruisermatt ?