2004 4.6. Waterfall, matrix bleeding, no hot air in cabin.

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Mar 4, 2024 | 07:15 AM

#21

Dervish

Thread Starter

Rock Crawling

Joined: Dec 2021

Posts: 270

Likes: 163

From: Finland

Quote:

Originally Posted by Extinct

Be careful with pressure test, pull all the spark plugs before you turn her over. We have had forum members with hydrolocked engines bend connecting rods.

Thanks for the tip/reminder.

I will be checking the cylinders with a borescope before starting to see if there are pools inside.

Mar 4, 2024 | 09:22 AM

#22

JohnZo

Pro Wrench

Joined: Apr 2021

Posts: 1,416

Likes: 397

From: SE Washington State

One other place a pressure leak could happen is at the test rig, especially since air leaks easier than water. Maybe check with soapy water to be sure, easy to misdiagnose.