Cooling fan sensor location?

Tiny
KHLOW2008
  • EXPERT
Check through all the components first. A well serviced engine would not have much problem with the manin bearings but the con rod bearings might need some attention. Forget about replacing the oil pump. I have yet to see any fail. Pistons ring replacement would be a good idea as the oil rings would most probably be worn or sludged badly.

The pan gasket would most probably be hardened by now so should be replaced. You might have difficulty getting the gasket off the pan. Use some heat from bottom of oil pan onto where the gasket seats and you would have no problem peeling it off.

The balancer gear O-ring and oil seal should be replaced since you are there.
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Wednesday, December 4th, 2019 AT 8:40 PM (Merged)
Tiny
STEVEAL01
  • MEMBER
I have everything to do the teardown and will be ready this weekend or next. Engine was taken well care of and when pulled head out before no sludge what so ever even before that rebuild. Question though, I havde been noticing when car would start to overheat, I would kick on the a/c fort eh fans and the car would cool down quickly. I would think it would have been the opposite due to the extra power it would need to run the a/c. Still notice coolant escaping from looks like the rad cap even though replaced twice. Water is traveling so it should not be the water pump even though it's only a year old, but could be faulty but not leaking through weap holes. All hoses replaced. Heck almost everything is new, exept the block. Hopefully this block rebuild will work out.
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Wednesday, December 4th, 2019 AT 8:40 PM (Merged)
Tiny
KHLOW2008
  • EXPERT
When A/C is not running, the fans would kick in only when the fan switch is trigggerred. When A/c is turned on, the fans are running continously as long as the compressor is running. That would keep the temperature lower.

Where is coolant escaping from radiator cap?
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Wednesday, December 4th, 2019 AT 8:41 PM (Merged)
Tiny
STEVEAL01
  • MEMBER
Yes, seems like the base of the cap because there are splash marks on that area, cleaned are to make sure not mistaken but same area. Radiator is also about a year old and no cracks or damage. Maybee too much pressure in system because hoses are very tight after ong drive and while running, cannot squeeze hoses much at all. System was bled multiple times. My guess cylnder pressure. IDK. I fugured block surface has slight warp which is why i'm resurfacing.
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Wednesday, December 4th, 2019 AT 8:41 PM (Merged)
Tiny
KHLOW2008
  • EXPERT
Check the radiator cap seals and seat on radiator. Any damage or uneveness can result in leaks there. Even if the system is pressurrised, the released pressure should be going to revcovery tank and not through radiator cap.
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Wednesday, December 4th, 2019 AT 8:41 PM (Merged)

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