ecotec removal. advice - Maintenance and Repair Forum

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ecotec removal. advice
Monday, August 20, 2012 10:50 AM
I'm new to the j body world. I recntly bought a 2002 cavi with a 5speed and 2.2 ecotec. It needs a bottom end. Any advice would be appreciated.
Should I pull it out the bottom or top?
Should I get a long or short block.
How do u keep track of all the connectors!?
I've always been a muscle car guy. This is my first efi car that I'm actually doing something to. So I'm basically clueless

Re: ecotec removal. advice
Monday, August 20, 2012 2:26 PM
It's cake top is easier as far as connectors just label them with some masking tape, just get a whole engine to drop in and make sure it's out of a 2002-05 cavalier any newer and it has a different crank trigger wheel and won't work with our ECM

Just unplug everything and take the axles out and the engine trans will come out as one, by far the asset way to get it out
Re: ecotec removal. advice
Monday, August 20, 2012 3:31 PM
i find top is the easiest with a 5spd you have to pull the engine more on the belt side. i found if you pull the engine up and just the trans up it slides out. as for connectors gm is smart 1 way and thats theres no duplicat plugs labeling is not needed as they will on go in 1 spot. if there is a duplicate plug its on the other end and only 1 of the connectors reach it.

i never label my connectors



JBO since July 30, 2001
Re: ecotec removal. advice
Monday, August 20, 2012 7:59 PM
Thanks. We will be pulling it out the top.
Re: ecotec removal. advice
Tuesday, August 21, 2012 4:58 AM
NOTa2_4 wrote:i find top is the easiest with a 5spd you have to pull the engine more on the belt side. i found if you pull the engine up and just the trans up it slides out. as for connectors gm is smart 1 way and thats theres no duplicat plugs labeling is not needed as they will on go in 1 spot. if there is a duplicate plug its on the other end and only 1 of the connectors reach it.

i never label my connectors


the water temp connector is the same as a trans connector I believe. Only know this because I have everything plugged in after my swap and the temp gauge was going nuts.

The way I did it, I took a paint pen of different colors and put a dot on the connector and a dot on what it plugged into so that way all I had to do was match up colors... If there were more colors, I did 2 colored dots. couldnt get the tape to stick to some of the connectors since they had coolant/oil on them.


Re: ecotec removal. advice
Tuesday, August 21, 2012 10:51 AM
Could I just leave the harness on and disconnect it from the computer
and still pull it?
Re: ecotec removal. advice
Tuesday, August 21, 2012 12:12 PM
I think that would work, however you would have to break or remove the harness things that connect the harness to the body in places..



Re: ecotec removal. advice
Thursday, August 23, 2012 7:45 PM
I told you how to do it, I've done it twice on that car and its worked for me, hell I'll throw another engine in there for you for $500.



13.520 @ 98mph! 220whp 234tq
Re: ecotec removal. advice
Friday, August 24, 2012 9:23 AM
02cavcruzin wrote:I told you how to do it, I've done it twice on that car and its worked for me, hell I'll throw another engine in there for you for $500.


I know! But I'm scared @!#$less of screwing up the harness on it.
This is the first car I'm working on that doesn't have a carb. I just wanted to be 1000% sure.
Its already out tho.
Re: ecotec removal. advice
Friday, August 24, 2012 4:14 PM
the temp and the vss i believe but b othare in different spots and for them to plug in they would have to be pulled tight

if in doubt label them but its a pretty simple swap



JBO since July 30, 2001
Re: ecotec removal. advice
Saturday, August 25, 2012 6:33 PM
I'm not sure if it would be an issue but some of the fuel line and the injectors are diferent from the 02 and the 03-05.

Re: ecotec removal. advice
Saturday, August 25, 2012 6:33 PM
SilvrSunfir wrote:I'm not sure if it would be an issue but some of the fuel line and the injectors are diferent from the 02 and the 03-05.
If you are swaping engines
Re: ecotec removal. advice
Saturday, August 25, 2012 8:37 PM
Only difference is the fuel rail (02 was different than 03+) but either rail will work.



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