Proportioning Valve and Bleeding

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Raoul Ross

Junior Member
Joined
Jan 7, 2025
Posts
6
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Location
Wisconsin
First Name
Raoul
Truck Year
1985
Truck Model
C10 Suburban
Engine Size
5.7
Another issue on this 85 C10 Suburban cropped up while replacing the fuel pump (the original problem). While replacing the fuel pump the proportioning valve started weeping, all by itself. You know how it goes, bring a neglected vehicle in to work on one problem and another pops-up.

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Found a replacement valve (not easy anymore) but I have one question about bleeding the system after replacement... is there a tool to keep the internal valve from moving while bleeding or should I just use a pressure bleeder on the M/C and open the wheel bleeders? It's been a while since I've done one.
 

jh86

Junior Member
Joined
Jan 2, 2025
Posts
26
Reaction score
24
Location
united states
First Name
Jon
Truck Year
1986
Truck Model
K10
Engine Size
350
I used the tool that threads into switch location
 

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