New 4.0 install, no turn over. Need help!
#1
Newbie
Thread Starter
Join Date: May 2019
Posts: 7
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee (XJ)
New 4.0 install, no turn over. Need help!
Hey guys!
Need some help and I hear this is the place to be ..
Bought a 95 XJ, next day the engine threw a rod.
Bought a used engine from a 96 Cherokee and installed it. Install seemed to go ok except for when I tried to start it.
I get no turn over at all, starter appears to be hanging in the flex plate and will just "grind" the starter clutch and the bendix gear won't pull back in on it's own. I've tried shimming the starter and using no shims "original did not have any".
Starter has been replaced 3 times one brand new and the other two both worked before the swap, one from my old engine and the other off the new engine.
I've had my battery tested and tried a second one just in case also. Checked connections multiple times and the cables appear intact with no damage.
I'm at a loss at this point, everything is working as it should except it just won't turn over at all.
Engine spins freely by hand at the harmonic balancer so it's not froze up.
So my questions..
Does anyone know if the teeth on the flexplate differ from the 95 to 96?
Any other suggestions in what could be causing this.
Anyone in OK want to come fix this pile of scrap for me??? Lmfao
Thanks everyone!
Need some help and I hear this is the place to be ..
Bought a 95 XJ, next day the engine threw a rod.
Bought a used engine from a 96 Cherokee and installed it. Install seemed to go ok except for when I tried to start it.
I get no turn over at all, starter appears to be hanging in the flex plate and will just "grind" the starter clutch and the bendix gear won't pull back in on it's own. I've tried shimming the starter and using no shims "original did not have any".
Starter has been replaced 3 times one brand new and the other two both worked before the swap, one from my old engine and the other off the new engine.
I've had my battery tested and tried a second one just in case also. Checked connections multiple times and the cables appear intact with no damage.
I'm at a loss at this point, everything is working as it should except it just won't turn over at all.
Engine spins freely by hand at the harmonic balancer so it's not froze up.
So my questions..
Does anyone know if the teeth on the flexplate differ from the 95 to 96?
Any other suggestions in what could be causing this.
Anyone in OK want to come fix this pile of scrap for me??? Lmfao
Thanks everyone!
#2
CF Veteran
Join Date: Jun 2016
Location: Santa Clarita California
Posts: 2,138
Likes: 0
Received 277 Likes
on
243 Posts
Year: 2001
Model: Cherokee (XJ)
Engine: 4.0L
What year flywheel and what year starter are you trying to use ? after checking they can use the same flywheel , maybe the starter is bad ?
Last edited by tech; 05-03-2019 at 05:48 PM.
#3
Newbie
Thread Starter
Join Date: May 2019
Posts: 7
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee (XJ)
Hey Tech thanks for the response,
Flexplate "it's an aw4 auto trans"i isoff my 95, I've tried 2 working starters "one new" for a 95. And I've tried a known working starter from the 96.
My old starter didn't have any issues cranking it over. That being said I did buy a new one and get the same result so I don't believe it's the starter.
Flexplate "it's an aw4 auto trans"i isoff my 95, I've tried 2 working starters "one new" for a 95. And I've tried a known working starter from the 96.
My old starter didn't have any issues cranking it over. That being said I did buy a new one and get the same result so I don't believe it's the starter.
#4
CF Veteran
Join Date: Jun 2016
Location: Santa Clarita California
Posts: 2,138
Likes: 0
Received 277 Likes
on
243 Posts
Year: 2001
Model: Cherokee (XJ)
Engine: 4.0L
The only thing you can do is change the flywheel next , I know that's a lot of work , but that's the next step and you did use the spacer that goes between the engine and trans ,
#5
::CF Moderator::
Join Date: Aug 2011
Location: Prescott, Az
Posts: 43,876
Received 1,527 Likes
on
1,239 Posts
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Do you have the metal plate between the engine and trans?
How about the locating dowels?
How about the locating dowels?
#7
Newbie
Thread Starter
Join Date: May 2019
Posts: 7
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee (XJ)
Everything that was there when I took the engine out went back in..
Trending Topics
#8
::CF Moderator::
Join Date: Aug 2011
Location: Prescott, Az
Posts: 43,876
Received 1,527 Likes
on
1,239 Posts
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Good. We can eliminate that.
#11
Newbie
Thread Starter
Join Date: May 2019
Posts: 7
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee (XJ)
#12
CF Veteran
Join Date: Mar 2016
Posts: 3,214
Received 606 Likes
on
516 Posts
Year: 96
Model: Cherokee (XJ)
Engine: 4.0
different part num flexplate for 95 to 96..dont know if that is the problem...should not be if the starter motor part num is the same for both...which I think it is
Last edited by awg; 05-05-2019 at 12:03 AM.
#14
Newbie
Thread Starter
Join Date: May 2019
Posts: 7
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee (XJ)
I'll be picking up a new flexplate eventually because from what I read timing cps reads from the flexplate and it needs to match the motor so it'll run like **** lol. But even with the wrong year flexplate if the teeth are the same "assuming so since starters are" then it should bare minimum be able to turn over and it won't even do that.
#15
Newbie
Thread Starter
Join Date: May 2019
Posts: 7
Likes: 0
Received 0 Likes
on
0 Posts
Model: Cherokee (XJ)
I see there's a twenty thou difference in the sizes. Definitely enough to cause it to jam..
Wonder why the difference in sizes for the same year?