Hummer H3 Engine Cooling

Browse Hummer H3 Engine Cooling questions and answers. Choose a question that matches your symptoms.

11 discussions

2010 Hummer H3 Slow Coolant Leak, Internal

2010 HUMMER H3
I Bought My Hummer Use With 43k Miles On It. I Quickly Noticed A Slow Decrease Of Coolant In The Overflow Tank. The Gmc Dealer Replaced...
1 ANSWER
Asked by justinH3

Take Off The Water Pump Pully With A Pipe Wrench?

2007 HUMMER H3
I Have The Vehicle Listed Above And Seen A Video That You Had A Pipe Wrench To Hold In Place To Take Off Plastic Fan. What Size Is The Pipe...
1 ANSWER
5 IMAGES
Asked by Carrollrobert41

Torque Specs

2007 HUMMER H3
What Are The Torque Specs For The Fan/clutch And Water Pump During Replacement??
1 ANSWER
Asked by williecee

Water Pump H3 Replacement With Torque Specs

2007 HUMMER H3
Had Radiator Replaced In May This Year. Base Warranty Out 10 Days Ago. Dealer Said Under Pressure Test, Water Pump Leaking @ Weep Hole. Need...
1 ANSWER
1 IMAGE
Asked by williecee

Fan Clutch Not Working Properly

2006 HUMMER H3
My Water Pump Recently Went Out. So I Had The Fan Clutch, Water Pump, And The Thermostat Replaced. Every Since Then My Vehicle Hasn’t Been...
5 ANSWERS
1 IMAGE
Asked by Samg1541

2006 Hummer H3 Fan Clutch?

2006 HUMMER H3
I Have A 06 H3 Hummer. This Thing Makes A Heck Of A Racket When You Take Off. Sounds Like The Fan Is Spinning At A High Speed. I Asked A...
1 ANSWER
Asked by Hummerh303

Need To Install Radiator In H3hummer Need Step By Step...

2006 HUMMER H3
Need To Install Radiator In H3hummer Need Step By Step How To Install Instructions And Tools Needed
1 ANSWER
Asked by Anonymous

Thermostat Replacement

2006 HUMMER H3
What Needs To Be Removed To Be Able Replace The Thermostat On A 2006 Hummer H3 With Inline 5
1 ANSWER
Asked by dandlnic

Hummer H3 Thermostat

2006 HUMMER H3
How Often Should Thermostat On 2006 Hummer H3 Be Replaced?
1 ANSWER
Asked by djfar

Radiator On Hummer H3

2006 HUMMER H3
Need To Install Radiator In H3 Hummer Need Step By Step How To Install Instructions And Tools Needed
1 ANSWER
8 IMAGES
Asked by sunitaf

Browse other repair topics

Browse by repair topic
Coolant Temperature SensorCooling FanLeakRadiatorThermostatWater Pump

    Can’t find your issue?

    Ask a new Hummer H3 question