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 Post subject: Re: Cherokee drivetrain
PostPosted: Wed May 07, 2014 4:15 pm 
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Javelin

Joined: Sat Apr 06, 2013 10:51 am
Posts: 240
Location: Oshkosh, Wis.
Any grand cherokee has the fan mounted to the waterpump and I had thought the waterpumps that runthe serpentine belt were differant cause they spun backwards from the belt routing

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1976 hornet sedan 258 with 4.0 fuel injection
1985 eagle sedan 4.0 with fuel injection
jeep 1997 grand cherokee

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 Post subject: Re: Cherokee drivetrain
PostPosted: Fri May 09, 2014 10:11 am 
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Hornet
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Joined: Thu May 02, 2013 10:40 am
Posts: 1175
Location: North Seattle sort of
That's why you need the TJ or Grand Cherokee fan and waterpump. The Eagle serpentine belt pumps are reverse rotation as well but the offset is different by 3/8" (actually 10 mm). It's centered and a bigger fan than the XJ one.

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 Post subject: Re: Cherokee drivetrain
PostPosted: Tue May 20, 2014 8:23 am 
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Pacer

Joined: Wed Feb 13, 2013 1:25 pm
Posts: 516
Location: Nova Scotia
I drove an hour and a half to check out a Cherokee. While I was there I saw a older Cherokee (89?) that had the engine and 5 speed standard transmission in it, 150k km on it. There was another older Cherokee there with higher km (303000 km) that had the 242 t-case in it.

It's now a debate to me if I want to get the newer Cherokee with the 4.0 HO / AW4 / 231 / D35 for $400, or wrangle a deal for the earlier Renix 4.0 / AX15 (or it could be the Peugot version) 5 speed manual / 242 t-case.

The newer engine assembly would probably set me back a bit more than the older ones by $100-150.

The only thing I heard about Renix is that the wiring is a bit of a bugger to get out since 1/2 of it is under the dash, but the Renix is awesomely dependable.

Anyone have experience?


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 Post subject: Re: Cherokee drivetrain
PostPosted: Tue May 20, 2014 5:34 pm 
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Hornet
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Joined: Thu May 02, 2013 10:40 am
Posts: 1175
Location: North Seattle sort of
The HO is simpler to wire in. The Renix may have an AX-15 (4 bolts hold the shift lever to the trans) or Pugsnot BA 10/5 (3 bolts on the shifter)

AX5/AX15 (similar except size)
Image

BA 10/5
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SR4/SR5
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T4/T5 (this one has a Dana 300 on it)
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 Post subject: Re: Cherokee drivetrain
PostPosted: Thu May 22, 2014 1:40 pm 
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Pacer

Joined: Wed Feb 13, 2013 1:25 pm
Posts: 516
Location: Nova Scotia
Think I might jump for the 4.0 ho.

Is it feasible to drag the computer/fuel injection off of a obd1 XJ and use it on a GC head/block?


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 Post subject: Re: Cherokee drivetrain
PostPosted: Thu May 22, 2014 10:50 pm 
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Hornet
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Joined: Thu May 02, 2013 10:40 am
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Location: North Seattle sort of
Yes. '91 to '95 XJ is best

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 Post subject: Re: Cherokee drivetrain
PostPosted: Mon Jun 02, 2014 9:24 am 
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Pacer

Joined: Wed Feb 13, 2013 1:25 pm
Posts: 516
Location: Nova Scotia
OK! So I snagged a 95 XJ with the 4.0 HO with low mileage (w00t). Sitting at the garage where I'll be working on it.

Going to swap the motor, transmission and transfer case into my 1986 Eagle Limited as soon as I gather the parts necessary to complete the swap.

Here's what I think I need to buy, please add in if I forget something :

Oil pan gasket (swapping the 4.0 with the 4.2)
Motor mounts (CJ?, and is it a necessity?)
Fuel pump - XJ one is toast - should I use an in line one, or in tank?
U joints (may as well grab a couple)
Transmission mount - XJ or Eagle mount, and anyone know if the XJ one will fit the Eagle crossmember?


I want to keep the stock belt system on the XJ, it has working A/C I want to tie into the existing Eagle's A/C system. Will the current fan system from the XJ fit into the Eagle without much issue? By keeping the motor as stock as possible I also save delicious money.


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 Post subject: Re: Cherokee drivetrain
PostPosted: Mon Jun 02, 2014 9:29 am 
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Hornet
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Location: North Seattle sort of
Switch to a ZJ or TJ waterpump and fan. The offset fan in the XJs are a joke.

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 Post subject: Re: Cherokee drivetrain
PostPosted: Mon Jun 02, 2014 9:50 am 
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Pacer

Joined: Wed Feb 13, 2013 1:25 pm
Posts: 516
Location: Nova Scotia
Will it allow me to still use the A/C compressor?

Would an Eagle fan work? I still have in my possession a fine and dandy water pump from a 258. Would that work instead of buying a new one?

Anything else I should be aware of when I swap, like anything else turning the other way if I do (PS steering pump, alternator)?


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 Post subject: Re: Cherokee drivetrain
PostPosted: Mon Jun 02, 2014 11:38 am 
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Hornet
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Location: North Seattle sort of
If the pattern is the same and you have serpentine belt, then yes use the Eagle fan. Turns backwards to the Vee belt fans.

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