Finally an Engine(LM4) What the hell is...
Thread Starter
On The Tree
Joined: Dec 2009
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Finally an Engine(LM4) What the hell is... this thing sticking out of the crank case?
Thanks to those of you who pushed me not to buy one of those LM7s for $800. A highschool teacher responded to my ad and sold me a 06 LM4 out of a Buick Rainier with less than 12k on it for $350! The guy said the truck was in a front end collision and he's had the engine in his shop since 06. It didn't have an alternator and I found out afterwards that the starter is missing too. But he gave me the entire wiring harness for the car it seems like along with the PCM. Here are some pics.
Summary:
Got for $350 the following:
LH6* correction I thought it was an LM4, but its not.
A/C
Wiring Harness
PCM
Powersteering pump
Missing:
Intake
Throttlebody
Starter
Alternator
This is the thing I can't identify
This is what came outta there before
Thanks to those of you who pushed me not to buy one of those LM7s for $800. A highschool teacher responded to my ad and sold me a 06 LM4 out of a Buick Rainier with less than 12k on it for $350! The guy said the truck was in a front end collision and he's had the engine in his shop since 06. It didn't have an alternator and I found out afterwards that the starter is missing too. But he gave me the entire wiring harness for the car it seems like along with the PCM. Here are some pics.
Summary:
Got for $350 the following:
LH6* correction I thought it was an LM4, but its not.
A/C
Wiring Harness
PCM
Powersteering pump
Missing:
Intake
Throttlebody
Starter
Alternator
This is the thing I can't identify
This is what came outta there before
Last edited by battsup; Jan 20, 2010 at 10:16 PM.
Nice find. That's a great deal for $350. I didn't realize the LM4's had 243 heads! hmm
Where are you located??? My brother will buy it from you for $450 NOW!!!!! $100 bucks right in your pocket!
Where are you located??? My brother will buy it from you for $450 NOW!!!!! $100 bucks right in your pocket!
Thread Starter
On The Tree
Joined: Dec 2009
Posts: 100
Likes: 0
Thread Starter
On The Tree
Joined: Dec 2009
Posts: 100
Likes: 0
According to Wikipedia its an LH6.
2005-2007 Buick Rainier
LH6
The LH6 with Active Fuel Management replaced the LM4 for 2005, and was the first of the Generation IV small block V8 truck engines to go into production. It is the aluminum block counterpart to the LY5.
hmmmm
2005-2007 Buick Rainier
LH6
The LH6 with Active Fuel Management replaced the LM4 for 2005, and was the first of the Generation IV small block V8 truck engines to go into production. It is the aluminum block counterpart to the LY5.
hmmmm
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Thread Starter
On The Tree
Joined: Dec 2009
Posts: 100
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Ok that's what I figured it was. I didn't realize I was buying a gen IV. I already bought a ls1 intake and corvette fuel rails. Will those still bolt up to this or am I going to have to buy LS2 stuff? I take it the holes in the oil pan are just to allow for oiling to the front diff and that replacing this with a regular oil pan will fix my problem?
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True about the find, that's really awesome. Up here an aluminum/iron/anything-Gen 3/4 usually costs an arm and a leg... and also a kidney.. it's annoying.
Thread Starter
On The Tree
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TECH Regular
Joined: Sep 2007
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From: Kansas City, MO
The thing on the passenger side of the engine is the front diff actuator and the thing on the other side is the front diff. You can just unbolt those from the oil pan and there is a hole right through the center of the pan. Gm did this to be able to set the engine lower in the vehicle on the trailblazers, envoys, and raniers.
Thread Starter
On The Tree
Joined: Dec 2009
Posts: 100
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The thing on the passenger side of the engine is the front diff actuator and the thing on the other side is the front diff. You can just unbolt those from the oil pan and there is a hole right through the center of the pan. Gm did this to be able to set the engine lower in the vehicle on the trailblazers, envoys, and raniers.
