Timing problem - Jeep Wrangler Forum
Jeep Wrangler Forum

Go Back   Jeep Wrangler Forum > YJ Jeep Wrangler Forum > YJ Tech Forum

Join Wrangler Forum Today


Reply
 
Thread Tools

Please support our sponsors and let them know you heard about them on WranglerForum.com
Old 03-06-2009, 01:11 AM   #1
Newb
 
Join Date: Mar 2009
Posts: 6
Timing problem

Just rebuilt my engine on my 93 jeep wrangler 2.5 L 4WD, new lifters, rings and new head. It tries to turn on but it sounds really bad and wont stay on. I have two books telling me two different things for the distributor. One says it should be at the 3 o'clock position and the other at the 6 o clock position. tried every variation of this and still wont work. I was told that the fly wheel also has timing marks but the book says nothing significant about it ( only for automatic trans.) anyone have a clue?

Whiplash1 is offline   Quote Quick Reply
Old 03-06-2009, 04:26 PM   #2
Jeeper
 
Join Date: Jan 2009
Location: scranton, pennsyltucky
Posts: 43
what does it sound like when you get it running? did you or some one else do all the work? sounds like either timing chain issue or dizzy was put in wrong... the reason they probably give two different firing orders is they probably changed the cams during that time and one is geared opposite.

jeepster213 is offline   Quote Quick Reply
Old 03-06-2009, 05:53 PM   #3
Jeeper
 
RednekYJ's Avatar
 
Join Date: Feb 2007
Location: LITH IL
Posts: 1,352
Firing order is 1-3-4-2. This is a good link for dropping the dizzy.


http://www.autozone.com/shopping/rep...00c1528008aa69
RednekYJ is offline   Quote Quick Reply
Old 03-07-2009, 05:45 PM   #4
Newb
 
Join Date: Mar 2009
Posts: 6
Yea thats the firing order i have it in. The one time i was able to get it running, it sounded like a car struggling to run, almost as if it were flooded. And thats how I tried setting it up ( according to the link). However, the slot for the oil pump doesnt match at all. It says to pre position the oil pump slot slightly past 3 o clock but if i do that, the rotor doesnt come close to facing the 6 o clock position. And i didnt mess at all with the dizzy.
Whiplash1 is offline   Quote Quick Reply
Old 03-07-2009, 05:47 PM   #5
Jeeper
 
jpdocdave's Avatar
 
Join Date: Mar 2008
Location: beach park, il
Posts: 8,162
Images: 7
distributor may be 180 off.
__________________
"The danger to America is not Barack Obama but a citizenry capable of entrusting a man like him with the Presidency. It will be far easier to limit and undo the follies of an Obama presidency than to restore the necessary common sense and good judgment to a depraved electorate willing to have such a man for their president."
http://mybroadband.co.za/photos/data...re_cowbell.gif
jpdocdave is offline   Quote Quick Reply
Old 03-07-2009, 05:52 PM   #6
Newb
 
Join Date: Mar 2009
Posts: 6
Actually my bad, I refered to the beginning of the website (wrong year), but I tried the correct way as well using the 3 o clock position and same deal applied. the oil pump wasnt matching up. I did try to 180 it thinking the TDC was off, but that didnt work either.
Whiplash1 is offline   Quote Quick Reply
Old 03-08-2009, 02:53 PM   #7
Jeeper
 
Join Date: Jan 2009
Location: scranton, pennsyltucky
Posts: 43
maybe your cam is out of sync from the crank. turn you crank to tdc cylinder 1 and then remove the plug and see if its all the way up with a long screw driver. after that remove your valve cover and see what valves are down and which are up. this would be the easiest way of checking it without removing the front cover to see where everything is at. if you have a chilton manual it should tell you what should be up and down valve wise on tdc. good luck
jeepster213 is offline   Quote Quick Reply
Old 03-08-2009, 02:58 PM   #8
Jeeper
 
jpdocdave's Avatar
 
Join Date: Mar 2008
Location: beach park, il
Posts: 8,162
Images: 7
Quote:
Originally Posted by jeepster213 View Post
maybe your cam is out of sync from the crank. turn you crank to tdc cylinder 1 and then remove the plug and see if its all the way up with a long screw driver. after that remove your valve cover and see what valves are down and which are up. this would be the easiest way of checking it without removing the front cover to see where everything is at. if you have a chilton manual it should tell you what should be up and down valve wise on tdc. good luck
it is so freeking hard to screw up the timing chain its rediculous. i thought of that to, but you have to really try to put that together wrong. definately makes it a possibility
__________________
"The danger to America is not Barack Obama but a citizenry capable of entrusting a man like him with the Presidency. It will be far easier to limit and undo the follies of an Obama presidency than to restore the necessary common sense and good judgment to a depraved electorate willing to have such a man for their president."
http://mybroadband.co.za/photos/data...re_cowbell.gif
jpdocdave is offline   Quote Quick Reply
Old 03-08-2009, 03:22 PM   #9
Jeeper
 
RednekYJ's Avatar
 
Join Date: Feb 2007
Location: LITH IL
Posts: 1,352
The tensioner could be shot and the chain skipped a tooth.
RednekYJ is offline   Quote Quick Reply
Old 03-08-2009, 05:55 PM   #10
Newb
 
Join Date: Mar 2009
Posts: 6
I'll give that a shot, for sure our TDC is correct, but I did get another cam. Good looking out jeepster. Tensioner should be good, just actually took the cover off to check if the chain was correctly lined up and it was good. Thanks.
Whiplash1 is offline   Quote Quick Reply
Old 03-08-2009, 06:28 PM   #11
Jeeper
 
jpdocdave's Avatar
 
Join Date: Mar 2008
Location: beach park, il
Posts: 8,162
Images: 7
Quote:
Originally Posted by RednekYJ View Post
The tensioner could be shot and the chain skipped a tooth.
there's no tensioner on a timing chain on the 4.0 all you do is slip the chain on the cam, and slide the gear on the crank with the marks lined up. no tensioner.

__________________
"The danger to America is not Barack Obama but a citizenry capable of entrusting a man like him with the Presidency. It will be far easier to limit and undo the follies of an Obama presidency than to restore the necessary common sense and good judgment to a depraved electorate willing to have such a man for their president."
http://mybroadband.co.za/photos/data...re_cowbell.gif
jpdocdave is offline   Quote Quick Reply
Old 03-08-2009, 07:47 PM   #12
Newb
 
Join Date: Mar 2009
Posts: 6
Yea, mine is a 2.5L engine. So the timing marks are matched up, so i doubt its the cam problem. unless the auto salvage swapped the cam when i wasnt looking. cause i do believe as long as they took it out of the same car, it should be the same right? I got the head from that same engine, and number matched up so I assume everything else is the same.
Whiplash1 is offline   Quote Quick Reply
Old 03-08-2009, 08:51 PM   #13
Jeeper
 
Join Date: Jan 2009
Location: scranton, pennsyltucky
Posts: 43
Sorry jpdocdave, but it is a possibility that it could have been off I've seen easier things get messed up. I know my title says newb but this isn't my first rodeo I'm just new to this site and the jeep lingo. Also why is that every thread I read that you posted in, you have so much animosity toward the people who are trying to help someone out or who are asking the question? Forums like this are setup for enthusist who are looking for advice from people who have been in their shoes, made the mistake, and would pass on the advice. Just my .02
jeepster213 is offline   Quote Quick Reply
Old 03-08-2009, 09:19 PM   #14
Jeeper
 
jpdocdave's Avatar
 
Join Date: Mar 2008
Location: beach park, il
Posts: 8,162
Images: 7
Quote:
Originally Posted by jeepster213 View Post
Sorry jpdocdave, but it is a possibility that it could have been off I've seen easier things get messed up. I know my title says newb but this isn't my first rodeo I'm just new to this site and the jeep lingo. Also why is that every thread I read that you posted in, you have so much animosity toward the people who are trying to help someone out or who are asking the question? Forums like this are setup for enthusist who are looking for advice from people who have been in their shoes, made the mistake, and would pass on the advice. Just my .02
i have also seen stupider things get screwed up, in my respnose to what you said i really meant that it is possible. i show no animocity toward anyone, and i am win of the most willing people on this forum to help when i can. i will however try to help someone not spend their time on something wrong, or with wrong information. i've been around jeeps, and all vehicles for a little while. i also remember what its like trying to learn. i wish they had this stuff around when i was learning.

so if you fealt animocity from me, i'm sorry for that. but i am always willing to help, but i don't have patience for wrong information. and i will correct it when i see it. doesn't mean i'm being mean, or flaming anyone. and i just re read my response to your tensioner idea, and i see no attitude or animocity there.
__________________
"The danger to America is not Barack Obama but a citizenry capable of entrusting a man like him with the Presidency. It will be far easier to limit and undo the follies of an Obama presidency than to restore the necessary common sense and good judgment to a depraved electorate willing to have such a man for their president."
http://mybroadband.co.za/photos/data...re_cowbell.gif
jpdocdave is offline   Quote Quick Reply
Old 03-08-2009, 09:26 PM   #15
Jeeper
 
jpdocdave's Avatar
 
Join Date: Mar 2008
Location: beach park, il
Posts: 8,162
Images: 7
Quote:
Originally Posted by jeepster213 View Post
Sorry jpdocdave, but it is a possibility that it could have been off I've seen easier things get messed up. I know my title says newb but this isn't my first rodeo I'm just new to this site and the jeep lingo. Also why is that every thread I read that you posted in, you have so much animosity toward the people who are trying to help someone out or who are asking the question? Forums like this are setup for enthusist who are looking for advice from people who have been in their shoes, made the mistake, and would pass on the advice. Just my .02
hey besides, you're not a newb anymore. and the highlighted part is exactly what i try to do here. pass on the knowledge that i have gained the hard way over the years. if i told someone to go looking for their muffler bearing to fix a problem, i'd hope someone would correct it before someone tries to find it.

and i'm not always right, and don't pretend to know everything. but being a technician and shop manager by trade, i can usually give some insight into a problem, thats all.
__________________
"The danger to America is not Barack Obama but a citizenry capable of entrusting a man like him with the Presidency. It will be far easier to limit and undo the follies of an Obama presidency than to restore the necessary common sense and good judgment to a depraved electorate willing to have such a man for their president."
http://mybroadband.co.za/photos/data...re_cowbell.gif
jpdocdave is offline   Quote Quick Reply
Old 03-09-2009, 05:48 AM   #16
Jeeper
 
RednekYJ's Avatar
 
Join Date: Feb 2007
Location: LITH IL
Posts: 1,352
Quote:
Originally Posted by jpdocdave View Post
there's no tensioner on a timing chain on the 4.0 all you do is slip the chain on the cam, and slide the gear on the crank with the marks lined up. no tensioner.


If it was a 4.0 I wouldn't have brought up the tensioner.
RednekYJ is offline   Quote Quick Reply
Old 03-09-2009, 08:21 AM   #17
Jeeper
 
jpdocdave's Avatar
 
Join Date: Mar 2008
Location: beach park, il
Posts: 8,162
Images: 7
i didn't pay attention to the motor, and then i'm thinking the 2.5 should be the same, but sure enough, it has a tensioner. i've never tore down a 2.5, lots of 4.0's. wonder why the 2.5 has a tensioner.
__________________
"The danger to America is not Barack Obama but a citizenry capable of entrusting a man like him with the Presidency. It will be far easier to limit and undo the follies of an Obama presidency than to restore the necessary common sense and good judgment to a depraved electorate willing to have such a man for their president."
http://mybroadband.co.za/photos/data...re_cowbell.gif
jpdocdave is offline   Quote Quick Reply
Old 03-09-2009, 04:06 PM   #18
Jeeper
 
RednekYJ's Avatar
 
Join Date: Feb 2007
Location: LITH IL
Posts: 1,352
Quote:
Originally Posted by jpdocdave View Post
i didn't pay attention to the motor, and then i'm thinking the 2.5 should be the same, but sure enough, it has a tensioner. i've never tore down a 2.5, lots of 4.0's. wonder why the 2.5 has a tensioner.

I'm just the opposite. I've done a dozen 2.5's but only 1-2 4.0's. Not sure why the 2.5 gets a tensioner though. It is the same setup. I'm surprised they didn't use torx bolts on the 2.5 cover.
RednekYJ is offline   Quote Quick Reply
Old 03-09-2009, 05:48 PM   #19
Jeeper
 
RednekYJ's Avatar
 
Join Date: Feb 2007
Location: LITH IL
Posts: 1,352
So...If you cant get it running and it sounds like hell when you do I would say pull it apart. First drop the oil pan and if that's clean yank the head. How bad is a really bad sound? Lots of backfiring or a more metallic piston hittin valve and metal pieces scoring the cylinder sound?
RednekYJ is offline   Quote Quick Reply
Old 03-11-2009, 12:01 AM   #20
Newb
 
Join Date: Mar 2009
Posts: 6
Its def not metal crushing metal inside, backfiring is more like it. it reminds me of a flooded dirtbike. talking to mechanics, they said that there is some sort of timing to the fly wheel. One said that there are notches on there, and another said that some of the teeth on the fly wheel are a different color. Anyone have a clue about that? Im prob taking the engine out this weekend to check that out.
Whiplash1 is offline   Quote Quick Reply
Old 09-05-2009, 04:15 PM   #21
Newb
 
Join Date: Mar 2009
Posts: 1
Guess this is a bit late... and I'm no expert, but this has all the earmarks of a bad crank position sensor. Upper bell housing to engine, 2 bolts, weather-proof electrical connector. Reads the crank position from the flywheel teeth and tell the computer. Cheap fix, if it works, but not as easy to get to on a 4.0 auto cherokee =(
one more possibility... best of luck
Mike
goonybird is offline   Quote Quick Reply
Old 02-11-2011, 05:21 PM   #22
Newb
 
Join Date: Feb 2011
Posts: 1
Hi looking for some help here - I have a 2000 Jeep Wrangler 2.5 MT i just bought, and the previous owner swapped in a 1995 YJ 2.5 engine into it. It has compression, has spark, gets fuel, and will start and run then die when I give it gas. It has a 2000 distributor and 2000 crank sensor which plug into the harness correctly. The ecu and wiring are all original from the 2000. Also, no more check engine codes.

the YJ the engine came out of ran great, and so far this car is yet to actually be drivable.

Has anyone here ever done this swap before? A YJ engine into a TJ body?
Any suggestions? Im pretty sure the timing is set correctly, dizzy in the right place, chain tight etc. Flywheel maybe? I think it has the 95 flywheel? Help please!
jeepwranglr is offline   Quote Quick Reply
Old 02-12-2011, 07:10 AM   #23
Jeeper
 
gennybro's Avatar
 
Join Date: Aug 2010
Location: shenandoa valley va
Posts: 135
Your fuel pump might be on its way out,it may be giveing enough pressure to idle the jeep, but once giveing it the gas, it may not have the balls anymore that it used to have.Kinda like some of us old fellers.

gennybro is offline   Quote Quick Reply
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Jeep Wrangler Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
check engine light came on and speedo stopped working @ the same time. eric TJ General Discussion Forum 14 10-14-2013 12:05 PM
05 tj rattle problem fixed. JeepGuyLJ TJ General Discussion Forum 2 05-25-2011 01:00 PM
different transmission problem greasem0nkey86 YJ Tech Forum 5 03-26-2007 03:31 PM
Consistent Idle problem, sputter @ idle-3000 whippet14 YJ General Discussion Forum 5 01-26-2006 07:41 AM
TJ Error codes khenderson TJ Tech Forum 3 08-19-2005 12:36 AM



» Featured Product

All times are GMT -5. The time now is 05:34 PM.



Jeep®, Wrangler, Liberty, Wagoneer, Cherokee, and Grand Cherokee are copyrighted and trademarked to Chrysler Motors LLC.
Wranglerforum.com is not in any way associated with the Chrysler Motors LLC