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Post by scottabe on Aug 14, 2014 2:37:39 GMT -5
Does anyone know where I can find a step by step guide to replacing a water pump on a 88 Justy? From what I'm reading, I suspect I might want to do the oil pump at the same time. Advice? Thanks in advance.
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Post by Armageddous on Aug 15, 2014 12:30:56 GMT -5
I can do a write up. It'll be quick but give you an idea of what's needed. This is to remove the entire front cover which is highly recommended (by me) - Jack up, support securely etc. - Drain engine oil. - Drain coolant (Front 14mm bolt on the bottom of the waterpump) - Remove front longitudinal cross member - Remove lower mount from transmission - Remove oil pan - Remove oil pump pick up tube - Set engine to TDC cylinder #1 - Remove crankshaft pulley - Remove outer timing belt cover - Remove timing belt - Remove tensioner and crankshaft cog - Remove alternator - Remove anything else attached to the front cover (I think there may be a ground near the front - Or something) - Remove the two large bolts on the water pump as well as any bolt securing the front cover and remove it. This may help: It is (nearly) impossible to replace the seal properly without removing the front cover. Terry
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Post by scottabe on Aug 16, 2014 11:10:25 GMT -5
Thanks. A lot more involved than I hoped....
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Post by Armageddous on Aug 17, 2014 18:12:33 GMT -5
Is the pump leaking coolant?
Terry
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Post by scottabe on Aug 21, 2014 12:15:07 GMT -5
Is the pump leaking coolant? Terry Not that I can tell, but it is running really hot. Thermostat is not the issue. Actually in the normal to warm range around town, but on the freeway edges up towards the top of the gauge right below the line. Suggestions?
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Post by Armageddous on Aug 21, 2014 20:50:02 GMT -5
The only way the pump could fail and not circulate coolant is if the bolt holding it in (Look near #3 on that picture) has backed off. If this is the case, you can remove the front cover (I believe the crank pulley needs to come off first) and inspect the pump for that type of failure. But honestly I would be checking the easy stuff first. It is rare these pumps mechanically fail. Make sure you radiator fan is cycling properly. Next time it starts getting hot, pull over and see if you can hear the rad fan. If not you need to correct that. Being an 88 your rad fan shares the fuse with the horn. If your horn works, there is at least power to that fuse Terry
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Post by scottabe on Aug 22, 2014 13:45:17 GMT -5
Doing the easy things, radiator flush first. One question: when I pulled the thermostat, the bar across the bottom was missing. Possible there is a piece of metal blocking circulation?
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Post by Armageddous on Aug 22, 2014 19:28:42 GMT -5
Maybe but that's a pretty small piece to restrict the system enough to over heat it. I could have got stuck in the small clearance between the water pump impeller and the housing causing the center bolt to snap.. That's a long shot tho.
Terry
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Post by Deleted on Aug 22, 2014 22:52:27 GMT -5
Since it's carbed, you could be running lean. A small vacuum leak or a carb in need of a rebuild would easily cause a lean fuel condition which would cause the car to run hot during sustained rpms.
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