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· Premium Member
'05 TB 4.2 EXT
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I un-bold everything, raise the engine with a JAAMCO press and can move it right or left to accommodate changing the mounts.

Both mounts ----> 30 minutes, tops.
 

· Premium Member
'05 TB 4.2 EXT
Joined
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6,637 Posts
Rule #639: Motor mounts --- do the hard one first.

Rule #1: NEVER DISCONNECT THE BATTERY. NEVER.
Rule #2: Obey all rules
Rule #3: Never bring a breaker bar if an impact gun fits.

PS --- I only read the first 15 words or so. I got tired of all the letters and stuff not being legible to my old eyes.

I lied --- I only read the first 10 words and assumed the rest were about the same problem --- did I miss anything?
 

· Premium Member
'05 TB 4.2 EXT
Joined
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6,637 Posts
Whenever the battery is disconnected and reconnect, the HVAC systems goes into a full recalibration mode. The little plastic gears and their 20+ year old plastic teeth age and become brittle. During the recalibration procedure, the actuators and pushed to their furthest points to find the minimum and maximum sweeps. Flexing old plastic like this is a recipe for disaster. You'll get broken gear teeth, clicking behind the dash and issues with functionality. The 2 main actuators that routinely fail due to this are located way up and behind the dash and often requires the entire dash be removed to replace them. It can be a tight squeeze but it is doable.

This isn't some scare tactic but known information that has been experienced by many of us on the forum. I wish I had known this before disconnecting my battery, as I now have 2 clicking actuators behind the dash. There are a few know-it-alls running around the forum that say this is false merely because it hasn't happened to them. Yet.

Use this information how you'd like. Removing just the fuse for the component you are working in is safer and will not cause the HVAC relearn to happen.
Well played, Mike. Kudos.
 
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