Overheat
12-20-2012 | 11:48 AM
#16
CF Veteran
Joined: Apr 2009
Posts: 4,734
Likes: 11
Year: 2015, 2012
Model: Grand Cherokee (WK2)
Engine: 3.6L
12-20-2012 | 07:01 PM
#17
CF Veteran
Joined: Dec 2011
Posts: 1,050
Likes: 2
From: Roanoke, VA
Year: 1990
Model: Cherokee
Engine: 4.0
When your coolant is that color it takes on an acid like attribute and eats away at the fins. It happens from dust, rust, and stop leak
12-20-2012 | 07:01 PM
#18
CF Veteran
Joined: Nov 2009
Posts: 8,172
Likes: 17
From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
12-21-2012 | 01:31 AM
#20
CF Veteran
Joined: Apr 2012
Posts: 5,302
Likes: 21
From: Wisconsin
Model: Cherokee
Water pump impeller is available in steel (older versions) or plastic (newer and some aftermarket). The only aluminum impeller is in the aftermarket high-flow pumps. Rust or grit in the cooling system sharpens the metal impeller blades like a knife.
Perhaps it was Drano coolant?
http://www.celicasupra.com/forums/ar...hp/t-8676.html
Or (oh good Lord someone actually did this too...) Sani-Flush:
http://www.ytmag.com/cgi-bin/viewit....mall&th=486700
Perhaps it was Drano coolant?
http://www.celicasupra.com/forums/ar...hp/t-8676.html
Or (oh good Lord someone actually did this too...) Sani-Flush:
http://www.ytmag.com/cgi-bin/viewit....mall&th=486700
Last edited by Radi; 12-21-2012 at 01:40 AM.
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