Easiest way to replace CPS??
01-11-2013, 12:23 PM
#31
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There are a lot of tips and tricks that suggest access holes (no access holes on an '89 unless you start cutting into your floorboard which just seems silly, to me). The task can be accomplished with no cutting or RTV and it can be done alone in less than 15 minutes... probably not the first time, because you're learning, things are often more difficult the first time? Don't make it more complicated than it is.
Slide in feet first under the driver's side door which puts your arms in a much better position to reach the CPS, use a long extension or a collection of shorter ones with a wobble on the end. Taping the wobble is a good idea to limit movement. I also like to stick a little magnet on or in the socket to prevent the bolts from falling into the bell housing when they come loose.
As far as the "spacer", never seen or heard of that. Mine didn't have one and it would have been pointless, anyway. The bolts have a shoulder on them that is the exact diameter of the holes on the CPS providing a far more precise fitment than any piece of cardboard will. Don't forget to strap the harness lead to the firewall after you've connected it. If you don't, it will melt to your header... Really. It will. I'm not kidding. Big stinky mess. I was told to do this but thought, "Meh, how important could that step be? Looks fine". Sixty seconds later I was like, "Heeeeey! That doesn't smell right."
Slide in feet first under the driver's side door which puts your arms in a much better position to reach the CPS, use a long extension or a collection of shorter ones with a wobble on the end. Taping the wobble is a good idea to limit movement. I also like to stick a little magnet on or in the socket to prevent the bolts from falling into the bell housing when they come loose.
As far as the "spacer", never seen or heard of that. Mine didn't have one and it would have been pointless, anyway. The bolts have a shoulder on them that is the exact diameter of the holes on the CPS providing a far more precise fitment than any piece of cardboard will. Don't forget to strap the harness lead to the firewall after you've connected it. If you don't, it will melt to your header... Really. It will. I'm not kidding. Big stinky mess. I was told to do this but thought, "Meh, how important could that step be? Looks fine". Sixty seconds later I was like, "Heeeeey! That doesn't smell right."
Last edited by F1Addict; 01-13-2013 at 12:49 PM.
01-13-2013, 12:41 PM
#32
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There are a lot of tips and tricks that suggest access holes (no access holes on an '89 unless you start cutting into your floorboard which just seems silly, to me). The task can be accomplished with no cutting or RTV and it can be done alone in less than 15 minutes... probably not the first time, because you're learning, things are often more difficult the first time? Don't make it more complicated than it is.
Slide in feet first under the driver's side door which puts your arms in a much better position to reach the CPS, use a long extension or a collection of shorter ones with a wobble on the end. Taping the wobble is a good idea to limit movement. I also like to stick a little magnet on or in the socket to prevent the bolts from falling into the bell housing when they come loose.
As far as the "spacer", never seen or heard of that. Mine didn't have one and it would have been pointless, anyway. The bolts have a shoulder on them that is the exact diameter of the holes on the CPS providing a far more precise fitment than any piece of cardboard will. Don't forget to strap the harness lead to the firewall after you've connected it. If you don't, it will melt to your header... Really. It will. I'm not kidding. Big stinky mess. I was told to do this but though, "Meh, how important could that step be? Looks fine". Sixty seconds later I was like, "Heeeeey! That doesn't smell right."
Slide in feet first under the driver's side door which puts your arms in a much better position to reach the CPS, use a long extension or a collection of shorter ones with a wobble on the end. Taping the wobble is a good idea to limit movement. I also like to stick a little magnet on or in the socket to prevent the bolts from falling into the bell housing when they come loose.
As far as the "spacer", never seen or heard of that. Mine didn't have one and it would have been pointless, anyway. The bolts have a shoulder on them that is the exact diameter of the holes on the CPS providing a far more precise fitment than any piece of cardboard will. Don't forget to strap the harness lead to the firewall after you've connected it. If you don't, it will melt to your header... Really. It will. I'm not kidding. Big stinky mess. I was told to do this but though, "Meh, how important could that step be? Looks fine". Sixty seconds later I was like, "Heeeeey! That doesn't smell right."
01-20-2018, 04:17 PM
#33
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It can be a bear of a project- or it can be very simple. Cut an access window. Do your business. Cover hole with flashing, three screws, and RTV. Replace carpet. Next time it goes bad- it only takes a few minutes to access it.
-Pictures shown on 5.2 ZJ. Same concept on XJs.
--Copp
-Pictures shown on 5.2 ZJ. Same concept on XJs.
--Copp
01-21-2018, 03:15 AM
#34
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Edit: About 11 o'clock like I thought but is behind one of the O2 Sensor connectors still on the driver's side. I am by myself and can spot the loom from the top for the CPS but I need a second person up top to tell me I am wiggling the right wire from below.
Last edited by Ralph77; 01-21-2018 at 05:11 PM.
01-21-2018, 09:02 PM
#35
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01-21-2018, 10:12 PM
#36
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Just did mine and the fastest way ever was with a flex head ratchet wrench from the engine bay standing on my spare on the garage floor. New one dropped in 5 min. Took old out with the long extensions from the bottom , and even with a buddy took 20 min.
oh yea mine still won't turn over....
oh yea mine still won't turn over....
- Marc
01-21-2018, 10:26 PM
#37
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I used like a gang of 3/8" extensions (probably all that I had), and a wobble adapter or two. Didn't take me that long from what I remember, but I am sure having a lift makes it easier
03-05-2023, 09:46 AM
#38
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My wife and I visited Scotland back in 2012. We stayed in Broughty Ferry,Dundee but we went several places Loch Ness, St.Andrews,Stirling,Edinbourgh. We loved Scotland and would move there if we could. I own a 1996 Cherokee SE 2 door with the 4.0 H.O. motor and I am having hard starting issues. So I believe its the CPS. I read this thread today and saw your post.
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