Installing a Vortec LS Engine 2002 Chevy Tahoe – Rebuild Video 5

Vortec LS GM Truck engine ready for mating with my Tahoe

Vortec LS GM Truck engine ready for mating with my Tahoe

At this point, I am getting close to putting the motor back in the engine bay.  I finish things up by putting the flex plate on and torquing it down.  Next, some simple bolt-ons like the AC compressor bracket, the motor mounts, and valve covers.  Next to go on are some sensors such as the crank position sensor, the camshaft position sensor, and oil pressure sending unit.

All there was to do at that point was wait for help to arrive and then start dropping the engine in.

Getting ready to drop the Vortec LS GM Truck engine in

Getting ready to drop the Vortec LS GM Truck engine in

 

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Remove Motor Mounts & Engine GM Chevy Tahoe Vortec LS Engine vid 19

LS Valley Plate made engine removal much easier for the GM 5.3 Vortec LS motor

LS Valley Plate made engine removal much easier for the GM 5.3 Vortec LS motor

Chevy Tahoe GM 5.3 Vortec LS motor on its way out

Chevy Tahoe GM 5.3 Vortec LS motor on its way out

Engine bay after removal of the GM 5.3 Vortec LS motor

Engine bay after removal of the GM 5.3 Vortec LS motor

Removing the motor mounts and engine turned out being easier than I originally thought it would be.  I abandoned using one of those engine leveling tools for just the chain, and from there, it was smooth sailing.  The GM LS Engine removal plate made it very simple, definitely worth the money.

removal-gm-vortec-ls-motor GM Chevy Vortec Engine LS 5.3

Removal-gm-vortec-ls-motor GM Chevy Vortec Engine LS 5.3

As for the bolts, I was relieved to see that it was just 3 bolts on each side, and that the other 4 bolts (for each side) could just come out with the engine and removed later.  I used an impact wrench universal socket on the 3 bolts (6 including both sides) and the universal pin blew out on #6.  I actually found it later and put it back in.

 

The engine came up and out without any issue.  I was shocked that something I was so worried about for days ended up being so easy.  I am still sweating getting it back in there without crimping any of the wire harnesses (or any of the other 1000 things that can go wrong), but that’s for a future day.

 

So, check out the video, and be sure to check out my other videos, subscribe to my YouTube channel, and like and comment.   Thanks!

 

 

 

 

 

 

Valley Cover Removal | Knock Sensor Analysis & Why Not to Powerwash – vid 17

Valley cover and Knock Sensors GM 5.3 Vortec LS Engine

Valley cover and Knock Sensors GM 5.3 Vortec LS Engine

Getting ready to remove the front knock sensor - GM 5.3 Vortec LS Engine

Getting ready to remove the front knock sensor – GM 5.3 Vortec LS Engine

Rear knock sensor got wet and threw code - GM 5.3 Vortec LS Engine

Rear knock sensor got wet and threw code – GM 5.3 Vortec LS Engine

Removing the valley cover is pretty straightforward.  However you need to pinch the connectors on the knock sensors pretty hard to get them out.  Then, the knock sensors come out using a 22mm socket.  Then the easy top bolts and the thing comes right off.

Things I learned:  I read somewhere to power wash your engine before taking on a task like this.  So I did (about a week prior to starting).  A few days later I got a check engine light (don’t remember the code, but it was the knock sensor).  I did some more reading and discovered that power washing the engine can get water in the knock sensor and throw a code.  So, when I pulled that knock sensor out and saw what bad shape it was in, I was not surprised.

Difference in knock sensors with one ruined by power washing engine (GM 5.3 Vortec LS Motor)

Difference in knock sensors with one ruined by power washing engine (GM 5.3 Vortec LS Motor)

Another learning experience:  Much earlier, when I pulled the heads, I was planning a cam swap.  I was not planning on pulling the motor at that point.  By the time I filmed this video,  I find myself wanting to pull the motor and I don’t have heads on it as a convenient attach point.  I purchased the lift plate you see in the video, and I am glad I did.  It made pulling the engine a cinch.

 

So, check out the video, and be sure to check out my other videos, subscribe to my YouTube channel, and like and comment.   Thanks!