The not-so-definitive guide to Sienna seats

zoomiefoosh

New member
Did anyone start manufacturing the Sienna seat bases now that both UJoint and ExpoVans no longer do? It’s frustrating that I’m about a year late…
 

Bulldoug

New member
Did anyone start manufacturing the Sienna seat bases now that both UJoint and ExpoVans no longer do? It’s frustrating that I’m about a year late…
Same here - Ended up making my own, wasn't horrible. need to get them powder coated still.

Db
 

zoomiefoosh

New member
Is anyone willing to share pictures and measurements for those of us that want to make our own? Just so we aren’t starting at square-one. I was thinking of trying to get something done up through SendCutSend.
 

gator70

Active member
If we make our own seat mounts we can sell them (not as business, rather to pay for jigs). Anyone interested?
 

Bulldoug

New member
Ended up finally spending some time on the fronts as well. Ended up finding another set of grey leather Sienna seats (match the highlights on the Sienna lazy boys in my second row). Once you pull off the Ford sliders, the sienna factory studs are just outside the measurement of the Ford bases. I used a 3/16 steel plate, bolted it to the ford base (offset slightly) and drilled for sienna pattern. Swapped the pretensioners to the sienna seats.
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