Engine belts
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Engine belts
- Thread starter eddie12388
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Solution
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- Thurmont MD
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- 85 CJ7 4.2L 258 .040 over, T-5 trans, dana 300, dana 30 front 3.23 and lock right locker, rear amc 20 3.23 one piece axle shafts traclock
79 CJ7 304, th400 auto borgwarner 1389?? qudratrac stock rest unknown.
89 YJ 4.2L 258, AX-15 5spd, NP231, dana 30 front, dana 35 rear with posi, gears unknown
92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear.
Should just need to loosen the one in the back 9 1/16th or 5/8th if I remember correctly and the 9 1/16th on the front then use a 1/2" ratchet in the square hole in the back. However if you're going through all that trouble the belt is probably worn out and for the cost I'd just go ahead and replace it.
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Sent from my E7110 using Tapatalk
TSB8C
Senior Jeeper
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- Cut-n-Shoot, TX
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- 1984 CJ7, 420 HP "ZZ6 EFI" Crate engine, 700R4, D300, Dana30 front, Dana489 rear, 4.56 gears, 4" lift
The power steering belt adjustment is a PITA as there are two or three bolts on the back of the bracket and one on the front you need to loosen. 9/16 I believe, and insert a breaker bar to the back side of the bracket. Push the bracket down to install the new belt then push up until you have about a quarter inch of play in the belt and tighten everything back up.
If it's the alternator belt, take off the half inch bolt on top of the alternator and loosen the bottom bolt, 9/16 I believe. Install the new belt and use a long screw driver and pry from the engine to the alternator until you have about a quarter inch of play in the belt and tighten.
This is all from memory as I now have a single serpentine belt setup on my SBC engine swap.
If it's the alternator belt, take off the half inch bolt on top of the alternator and loosen the bottom bolt, 9/16 I believe. Install the new belt and use a long screw driver and pry from the engine to the alternator until you have about a quarter inch of play in the belt and tighten.
This is all from memory as I now have a single serpentine belt setup on my SBC engine swap.
eddie12388
Jeeper
Thanks, I have the sbc aswell so this sounds right
- Posts
- 1,997
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- 550
- Location
- Thurmont MD
- Vehicle(s)
- 85 CJ7 4.2L 258 .040 over, T-5 trans, dana 300, dana 30 front 3.23 and lock right locker, rear amc 20 3.23 one piece axle shafts traclock
79 CJ7 304, th400 auto borgwarner 1389?? qudratrac stock rest unknown.
89 YJ 4.2L 258, AX-15 5spd, NP231, dana 30 front, dana 35 rear with posi, gears unknown
92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear.
That's a different story. I assumed that you had a AMC 258 i6 / 4.2l in your Jeep. However the process is still the same.
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flyn hawaiian
Jeeper
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- 1978 jeep cj5 383 chevy stroker, 3 speed trans, AMC20 w/ 1 piece axles, trac loc, 4" lift, 12.50x33 all terrains, boomerang shackles,
I also have a SBC in mine. Depending what type of brackets you have.mines have 1 on the water pump, 1 on the block, 1 behind the pump, 1 on the exhaust bracket. 4 total, all 9/16". I pulled on it while my wife tightened the bolt to the exhaust. That 1 bolt was enough to hold the pump in place. So I could tighten the rest of the bolts. I also need a stubby 9/16" wrench to get the bolt behind the pump. I also have headers on so it has a different bracket.