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Old 07-28-2009, 08:59 PM   #1
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Auto To manual

Hey whats up guys so right iam changing from auto to manual . So my jeeps a 4.0 i got the ax15 trans now ,finally managed to put it in and took out my auto ,i put in a new clutch ,matching flywheel , and new slave cylinder.i put in the clutch pedal assembly , and the old clutch mc. now what has me stuck are two things that are getting me a little pissed

1.while trying to bleed the slave ,my clutch pedal is all the way on the floor , and i put in new brake fluid,open the line from the slave cylinder and nothing is being pumped out when i press the clutch pedal, and yes its linked with the pedal to cmc. thinkin about changing my clutch master cylinder .can i be correct?

2 .Ateempting to turn on the jeep , all she does is crank but not turn over my iam in neutral. could it be that iam not pressing the clutch the reason its not turning over?

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Old 07-28-2009, 09:04 PM   #2
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Old 07-28-2009, 09:07 PM   #3
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yjs' do not have a clutch safety switch, and the safety switches wont let the vehicle crank at all anyway. if its not starting you gotta test whats missing, fuel, spark, injector pulse, and check timing.

are you sure you're bleeding the clutch right? pumping the clutch, hold it down and have an assistant open the bleeder.

so the body is back on and its time to fire????
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Old 07-28-2009, 09:18 PM   #4
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iam pretty sure iam bleeding it right did it just like you said , but not even the liquid is going anywhere and my clutch pedal doesnt go up it stays down, i have to bring it up manually to pump it. And yes the body is back on, i tried crack the line from the clutch master cylinder where it starts and still no fluid coming out.How can i check for spark and ingjector pulse?
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Old 07-28-2009, 09:21 PM   #5
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spark tester is very cheap at any parts store. injector noid lights are what are made for injector pulse testing, but you can also disconnect the injector plug, one side is ground and one is power, the power flahses, so you can use a test light and check for one terminal to be flashing power.
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Old 07-28-2009, 09:35 PM   #6
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can i just check for spark by removing each spark plug at a time and see if i get any kind of arc on a ground ? i can check for fuel by either putting starting fluid in intake or pressing the fuel rail relief value?thanks jpdocdave for all your input its driving me less crazy
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Old 07-28-2009, 09:42 PM   #7
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you can check spark that way, spark testers are like 12 bux, and you just plug it inline and look at a bulb. fuel is nice to know what the actual pressure is, obviously if you get none out of the rail then you know, but after that you wanna know pressure. you got your crank sensor installed and hooked up?
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Old 07-28-2009, 09:45 PM   #8
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iam pretty sure i do where exactly is that located
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Old 07-28-2009, 09:48 PM   #9
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oppsss i see i had left it on my auto trans still conected iam following this picture,iam i correct i always wonder what was that thing for anyway
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Old 07-28-2009, 09:51 PM   #10
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pretty important piece of the puzzel brotha, ask me how i knew to ask you that.
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Old 07-28-2009, 10:03 PM   #11
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lol thanks so much tommorrow going to install it and give it a go , and see what happens.ill keep you updated.
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Old 07-29-2009, 02:24 PM   #12
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okay so i bought a new cps sensor as the automatic one couldnt work for the manual . it was about 50 bucks from autozone.mounted it and then fired her up......i tried starting her like a million times then it managed to stay on for a second but then it just shut off.Then boom i fried my starter!.but trying to start it took a few good attempts.I was reading on the web the cps sensor sometimes needs a learn procedure but maybe its just a take out and replace part.Any ideas going nuts here
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Old 07-29-2009, 02:57 PM   #13
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okay so i spoke to a mechanic who worked on my car previously and he said i have to adjust that sensor by taking out one bolt and bring it up or down until it starts, can this be true?
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Old 07-29-2009, 03:53 PM   #14
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i know on the 4.0 with auto trans thare is a paper spacer used to set the depth on the sensor but on the manual trans 4.0 i just think the two bolts set the depth i could be wrong
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Old 07-29-2009, 03:57 PM   #15
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Old 07-29-2009, 04:09 PM   #16
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yea iam pretty sure your right there shouldnt be any reason that you can adjust that if theres two bolts on there.i guess ill get my camcorder once i get a new starter , and post a video for some more help
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Old 07-29-2009, 04:13 PM   #17
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it ran fine with the auto in it?
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Old 07-29-2009, 04:27 PM   #18
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yup thats the thing thats getting me i didnt disconnect anything but the cranksensor and the wiring for the trans, t case and gastank .and the starter . i removed the auto myself then bourght it to a shop so they can help me put it in.iam pretty sure i installed it right. when i had the auto in it ,it took two tries to turn it on
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Old 07-29-2009, 04:30 PM   #19
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what gas tank wires?
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Old 07-29-2009, 04:32 PM   #20
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opps i meant the gas tank pump .
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Old 07-29-2009, 04:34 PM   #21
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what did u do to the fuel pump?
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Old 07-29-2009, 04:38 PM   #22
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no nothing i didn't touch it at all iam just saying that the wires that i disconnected was the main connector between the engine and transmission on the passenger side.
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Old 07-29-2009, 04:57 PM   #23
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o
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Old 07-29-2009, 06:35 PM   #24
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on my wiring harness would it matter if my nuetral safety switch is not connected it was for the auto .
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Old 07-29-2009, 06:50 PM   #25
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okay so i talked to another jeep guy and he told me to take off the nuetral safety switch of my auto and put the switch as if it where neutral, the computer proably is looking for a connection to see if the jeep is neutral , iam going to try this. he also said to check my fuses and relays especially the auto shut down relay. and my cam position sensor ,
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Old 07-29-2009, 07:04 PM   #26
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Quote:
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okay so i talked to another jeep guy and he told me to take off the nuetral safety switch of my auto and put the switch as if it where neutral, the computer proably is looking for a connection to see if the jeep is neutral , iam going to try this. he also said to check my fuses and relays especially the auto shut down relay. and my cam position sensor ,
it wouldent crank if it was the nuetral safety switch
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Old 07-29-2009, 07:33 PM   #27
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yj's dont have um
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Old 07-29-2009, 07:50 PM   #28
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thats the thing i wasnt turning the key from the ingniton switch it wasnt starting so i just left the key on the on position and used a hot wire straight from the battery to the starter.....
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Old 07-29-2009, 07:51 PM   #29
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Quote:
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yj's dont have um
huh?
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Old 07-29-2009, 09:20 PM   #30
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thats the thing i wasnt turning the key from the ingniton switch it wasnt starting so i just left the key on the on position and used a hot wire straight from the battery to the starter.....
i think we need a thread on terminolgoy. you made it sound like it cranks but doesn't start. if it doesn't crank from the key, don't simply jumper the ignition, and then tell us it cranks but won't start

and no, yj's do not have nuetral safety switches on manuals, i'm not sure on autos. if you had a nuetral safety switch on your auto, then yes, you need to jump it to tell the computer its ok to crank.

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