Can you fix an Engine Mount with Window Sealant?

In the progress of Building my 1984 Single cab T3 (Vanagon), I'm going to try to fix the worn out transmission mount with windshield sealant. If this works this could be a way to stiffen up your existing rubber mounts instead of going for the more expensive and also harder polyurethane mounts.

How to make DIY polyurethane engine mounts
▶︎

How to make DIY polyurethane engine mounts

How to repair an engine mount with RTV silicone @elchanojose
▶︎

How to repair an engine mount with RTV silicone @elchanojose

Bushings made using sealer – will they work?
▶︎

Bushings made using sealer – will they work?

FIX YOUR CAR MOUNTS FOR $10 - Making rigid polyurethane mounts - Repairing mounts
▶︎

FIX YOUR CAR MOUNTS FOR $10 - Making rigid polyurethane mounts - Repairing mounts

DIY POLYURETHANE MOTOR MOUNTS (EASY!)
▶︎

DIY POLYURETHANE MOTOR MOUNTS (EASY!)

Can we Fix these rotten trailing arms??? 1984 VW T3 Single Cab Pickup
▶︎

Can we Fix these rotten trailing arms??? 1984 VW T3 Single Cab Pickup

Mechanic Fix Girl: Her Workshop Was Torn Down, but What Happened Next Shocked Everyone 😮🏡
▶︎

Mechanic Fix Girl: Her Workshop Was Torn Down, but What Happened Next Shocked Everyone 😮🏡

Timelapse: Genius Girl's Restart A Retired Old Man's Daewoo Truck (500kg) Abandoned For 30 Years
▶︎

Timelapse: Genius Girl's Restart A Retired Old Man's Daewoo Truck (500kg) Abandoned For 30 Years

Polyurethane Engine & Transmission Mounts for less than $25
▶︎

Polyurethane Engine & Transmission Mounts for less than $25

How to make the CHEAPEST and FASTEST Polyurethane bushings Without a mold! DIY
▶︎

How to make the CHEAPEST and FASTEST Polyurethane bushings Without a mold! DIY

How to repair broken engine mounting. Fast and Easy ! Years 2000 to 2015
▶︎

How to repair broken engine mounting. Fast and Easy ! Years 2000 to 2015

Engine Install and First Drive in my Single cab Pickup // VW T3 1.9 Diesel Conversion
▶︎

Engine Install and First Drive in my Single cab Pickup // VW T3 1.9 Diesel Conversion

Filling Stock Mounts with Polyurethane - Upgrading the Talon Oem Mounts
▶︎

Filling Stock Mounts with Polyurethane - Upgrading the Talon Oem Mounts

Engine support from used tire
▶︎

Engine support from used tire

Make your own DIY  low cost Polyurethane  engine mounts or suspension bushes
▶︎

Make your own DIY low cost Polyurethane engine mounts or suspension bushes

Casting Polyurethane Motor Mount Bushings with Liquid Urethane & 3D Printed Mold (Scion tC2 / tC2.5)
▶︎

Casting Polyurethane Motor Mount Bushings with Liquid Urethane & 3D Printed Mold (Scion tC2 / tC2.5)

REPAIRED BUSHINGS
▶︎

REPAIRED BUSHINGS

⚡️ DIY Polyurethane filled engine motor mounts with Before and After comparison.
▶︎

⚡️ DIY Polyurethane filled engine motor mounts with Before and After comparison.

Timelapse: Genius Girl Starts Up Old Man's Abandoned Tractor Truck After 25 Years Of Retirement
▶︎

Timelapse: Genius Girl Starts Up Old Man's Abandoned Tractor Truck After 25 Years Of Retirement

Why is it not Patented? Insert a Compact Disc into the Angle Grinder and be Amazed! Creation Daily
▶︎

Why is it not Patented? Insert a Compact Disc into the Angle Grinder and be Amazed! Creation Daily