Harmonic balancer bolt size?
03-30-2023, 01:46 PM
#1
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Harmonic balancer bolt size?
Can anyone tell me the bolt size and thread pitch for the harmonic balancer to the crankshaft bolt on an 87 Cherokee?
03-30-2023, 04:49 PM
#3
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Year: 1988
Model: Cherokee (XJ)
Engine: 4.0L
According to this ebay listing (https://www.ebay.com/itm/334356869219)
"Bolt is 1/2-20 (fine threads) uses a 3/4" wrench and is 1 1/4" long (threaded portion)"
I'm not suggesting you buy it nor am I affiliated with the seller. Just pointing to the source of the info.
"Bolt is 1/2-20 (fine threads) uses a 3/4" wrench and is 1 1/4" long (threaded portion)"
I'm not suggesting you buy it nor am I affiliated with the seller. Just pointing to the source of the info.
03-31-2023, 06:59 AM
#5
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
1/2-20 with 3/4 head is what's on there. Need a longer one to pull the balancer on.
03-31-2023, 07:00 AM
#6
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
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lawsoncl (03-31-2023)
03-31-2023, 05:20 PM
#7
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Thanks all! I used a 2 inch long bolt and just kept backing the bolt out and adding washers as I went. It is all back together with the factory bolt now. Motor mounts are next.
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04-01-2023, 07:44 AM
#8
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Year: 96
Model: Cherokee (XJ)
Engine: 4.0
genuine question here, but are you saying there is not 15mm and 18mm head size on XJ ?
I associate those head sizes with metric, but havent checked the markings on the bolts to check, or threads with a die or gauge
Its always confused me, as there appears to be a mixture of metric and imperial head sizes
(18mm is not 11/16" = 17mm).
I associate those head sizes with metric, but havent checked the markings on the bolts to check, or threads with a die or gauge
Its always confused me, as there appears to be a mixture of metric and imperial head sizes
(18mm is not 11/16" = 17mm).
04-01-2023, 08:18 AM
#9
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Not on the 4.0 engine.
04-01-2023, 01:53 PM
#11
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Year: 1996
Model: Cherokee (XJ)
Engine: 4.0
this really is a non issue about metric or SAE... I just copied a post from another jeep forum....didn't think it would dig out the chit shovel...
04-01-2023, 08:59 PM
#12
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Year: 1989
Model: Comanche (MJ)
Engine: 4.0
No chit here, I'm just annoyed that I can never find that 18mm when I need it. I still can't find that damn 10mm either. Them things have wings, I tell ya!
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