2004 Chevrolet Avalanche 2500 Questions

All 2004 Chevrolet Avalanche 2500 Questions

Ask a Question
checked the in and out to the heater, hot going in cold coming out
The hose going in to the heater is hot but the hose coming out is cold I have blown air on to the temp sensor
2004 2500 avalanche what transferecase came w/8.1 and what is the low range ratio.
Dealer tells me it will take 2 visits due to code ID and has estimated $350 to repair, looking for better estimate.