Holy Jeepers !

Got my busted motor out.

Took of the torqverter and flex plate.

Went to bolt it on the 06 TJ motor.....



2 of the holes dont line up on the flexplate? Aargghhhhh!

anyone know of the TJ automatic flexplate is the same diameter as the 99 GC flexplate ??

That was a show stopper this afternoon as I was gonna shoehorn it back in and start buttoning it up for a hopefull evening drive Friday.

not now lol

 

did you try to turn the flex plate to each hole. I have never worked on a 4.0 but all 5.2 and 5.9 the flex plate will only fit one way. Has to be facing the right direction and turned to the right set of holes.

 

I checked them twice !
I am gonna mark them in the morning and go thru it agin. i did have some oil nd grit in my eyes from laying underneath my GC pulling out the busted motor.

I also am thinking that i may have to just drill the holes just a hair to make them fit. It shouldnt throw it out of balance as its centered over the crank.

I feel like a junk yard dawg right now. hehehehe

 

The CPS gets the timing references off of the flex-plate so it has to be exact.

 

So, the timing references are what location on the flexplate ?

If I drill the 2 holes a hair to get 2 bolts thru it, yet the flexplate as a whole is centered up.

or , is the flexplate indexed to bolt to the crank exactly, which i can not find any marks on each to show that.

 

The Crankshaft position sensor is triggered by notches in the flywheel/flexplate. (On all but the 4.7L V8). It controls the spark and fuel timing and detects engine rpms. On my 5.2L it only goes on one way, as stated earlier by RRAM. I don't know what will be the affect, if any, of altering the mounting holes. I've never worked on a 4.0L.

 

Yes, I am a doofus ! Everything lined up and nothing had been changed on the bolt pattern.

I reckon i had to much grit n oil in mah eyes last night and had been underneath the GC so long my mind wasnt functioning any longer.

 

Glad to hear it. Not that you're a doofus, but that the flex-plate lined up.

 

Had to knock out the sleeve that sits in the crank for a manual tranny. There was no pilot bearing so I thought the torqverter wood slide right in. Took me a hour to figure that out. lol

Got r dun !

motor is ready to slide back into the bay, so monday I will get it down in between the fenders.