Cracked head or no?
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
Seems CherokeeJake1 (the OP) is not sure if he's actively loosing coolant. If no coolant is being lost, then a pressure check is not needed.
Step 1: Is coolant being lost?
Step 2: If yes, then: from where?
CherokeeJake1: I would not drain and refill my coolant until knowing the answer to Step #1. Just refill it, and watch closely for future loss. Then, if there IS active loss (more than 1/2 gallon), proceed to Step 2. If the leak is not obvious, then a radiator pressure check is the way to go. Any Step 2 repair will require coolant drain anyways. Also, I'm not sure you need to swap out the oil pressure sending unit.
Step 1: Is coolant being lost?
Step 2: If yes, then: from where?
CherokeeJake1: I would not drain and refill my coolant until knowing the answer to Step #1. Just refill it, and watch closely for future loss. Then, if there IS active loss (more than 1/2 gallon), proceed to Step 2. If the leak is not obvious, then a radiator pressure check is the way to go. Any Step 2 repair will require coolant drain anyways. Also, I'm not sure you need to swap out the oil pressure sending unit.
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Joined: Feb 2013
Posts: 65
Likes: 1
Model: Cherokee
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