99 Suburban Won't Heat Up
#11
When i flushed the system I pull the heater core hose to check the flow with the engine on at idle. To me it didn't look like it was enough flow, but i don't know what the flow should be. 1gallon a minute? 10gallons a minute?
If i had to guess, I'd say at idle it was maybe 1/2 gallon a minute or less.
#13
IF the heater core is under served with hot coolant, their will be a large difference between entering and leaving temps. If the in/out temps are close to the same, you are not giving up heat to the air flow. Air is bypassing the coil or the coil is scaled (insulated) and not transferrring heat.
My question to everyone - what is the difference between a $35 and a $55 heater core. Thinner copper or brand name?
My question to everyone - what is the difference between a $35 and a $55 heater core. Thinner copper or brand name?
#14
under heating condition
i would start with that one first, its a low cost repair.
#15
heater core
IF the heater core is under served with hot coolant, their will be a large difference between entering and leaving temps. If the in/out temps are close to the same, you are not giving up heat to the air flow. Air is bypassing the coil or the coil is scaled (insulated) and not transferrring heat.
My question to everyone - what is the difference between a $35 and a $55 heater core. Thinner copper or brand name?
My question to everyone - what is the difference between a $35 and a $55 heater core. Thinner copper or brand name?
Thread
Thread Starter
Forum
Replies
Last Post
Chevmann92
Tahoe & Suburban
0
January 3rd, 2014 2:03 AM
jmarkv
Silverado & Fullsize Pick-ups
4
January 24th, 2012 8:21 PM