× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2003 GMC C5500 Topkick C5C042 6.6L Mechanical
Posted to GM Engine on 1/12/2010 5 Replies

Hello, I just replaced a set of head gaskets that were leaking coolant and now after the job is done I have a thumping sound from the intake. My heads were straight so there was no need to surface them, I simply pulled the heads, cleaned them carefully with a ...

5 Replies Received (View Replies)

  Related Documents & Media  2003 GMC C5500 Topkick C5C042

 
Message Closed w/FIX

car Vehicle Data

2003 GMC C5500 Topkick C5C042

VIN 1GDE5E11X3
Engine6.6 L / 8 cyl / DIESEL
DeliveryFI
Misc.Flat Bed 6 Spd. Manual
Message Closed w/FIX

car Vehicle Data

2003 GMC C5500 Topkick C5C042

VIN 1GDE5E11X3
Engine6.6 L / 8 cyl / DIESEL
DeliveryFI
Misc.Flat Bed 6 Spd. Manual