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  1. Cat 3116 Injector & Rack Adjustment Tool (0 replies)
  2. Random de-rating (1 replies)
  3. Hood Hinges for a 1989 Kodiak / TopKick (0 replies)
  4. 2004 GMC C8500 7.8l limp mode (3 replies)
  5. 2009 C5500 Curb Weight? (1 replies)
  6. 2005 C5500 Utility Body 4x4 LLY Mods (1 replies)
  7. GMC / Chevy C4500 C5500 TopKick Kodiak 5 speed to 6 speed Conversion (0 replies)
  8. Just checkin things out. (1 replies)
  9. Just for what it's worth, if you own a Kodiak, etc. (4 replies)
  10. So, you think the fuel filter's hard changing on a Silverado? (4 replies)
  11. Exhaust brake isn't working. (1 replies)
  12. 2019 Chevrolet Silverado 4500HD and 5500HD to Drop in March (3 replies)
  13. Kodiak steering gear. (9 replies)
  14. command rates 05 bouncing ? (0 replies)
  15. 2006 7.8l isuzu coolant in exhaust and oil after injector replacement (0 replies)
  16. 7.8 isuzi duramax has engine oil in fuel tank (2 replies)
  17. c4500 (1 replies)
  18. 6.6 help (0 replies)
  19. help, 2002 c5500 new to me (8 replies)
  20. air condioning problems (1 replies)
  21. 2008 chevy k5500 4x4 cc (3 replies)
  22. 2003 Chevy C5500 rollback tow truck start and running smooth but not going over 55MPH (3 replies)
  23. 2008 chevy c 5500 (0 replies)
  24. allison question (0 replies)
  25. Rear axle nut size dana S110 (hd2) (5 replies)
  26. Brakes won't release (0 replies)
  27. 5speed to a 6speed (26 replies)
  28. Need to Realign Rear Axle on Topkick C7500 (1 replies)
  29. No low beam headlights 2008 Kodiak 4500 (20 replies)
  30. Front doors speaker size: 2007 C4500 LLY CC (1 replies)
  31. Need new batteries... recommendations? (1 replies)
  32. What engine do I have? (0 replies)
  33. Allison 1000 PO733 and PO746 codes (0 replies)
  34. Roll call (0 replies)
  35. Front spring clunking and slap (2 replies)
  36. WTB: Gauge Cluster (0 replies)
  37. GMC C5500 4x4 lockers (3 replies)
  38. C4500 Duramax with High miles (1 replies)
  39. 4500C topkick steering/alignment replace all (2 replies)
  40. 6.6 Liter Duramax Turbo Diesel Help Please!!! (7 replies)
  41. 2008 C4500 dies when on the highway. NEED ADVISE (4 replies)
  42. C4500 Top Kick/Idle Timer (0 replies)
  43. GM May Re-enter the Medium Duty Market (3 replies)
  44. 2006 C4500 Auxiliary Air Compressor (2 replies)
  45. 94 Topkick fuel/water separator (0 replies)
  46. Help with 1993 CHEVY 5000 W5 Older NPR (2 replies)
  47. 7.8L isuzu diesel oil in coolant. (22 replies)
  48. Kodiak wheel bearing adjustment (0 replies)
  49. Kodiak ambulance spotted in WI (0 replies)
  50. Super Singles on a Kodiak (0 replies)
  51. 2007 Topkick 6.6 air filter box and filter (4 replies)
  52. C4500 loss of power after a very rough road... (4 replies)
  53. FREIGHTLINER M2 coolant antifreeze problem (1 replies)
  54. 2007 C4500 Batteries and Shocks (2 replies)
  55. Rear drum brake problem please help!! (0 replies)
  56. Chevy 2006 c5500 4x4 (2 replies)
  57. Freightliner Business Class (1 replies)
  58. Last Days (4 replies)
  59. Front Brake Squeaking (1 replies)
  60. air pressure relief valve (1 replies)
  61. Changing C4500 Fuel Pump (7 replies)
  62. Fuel filter change and now no start. (2 replies)
  63. Looking for information on later model Medium Duty trucks. (8 replies)
  64. block configuration (0 replies)
  65. Starting problem W4500 (3 replies)
  66. Anybody out there? (4 replies)
  67. toasted 03 (31 replies)
  68. Sold the 2004 C4500 today (8 replies)
  69. Cracked exhaust manifold (2 replies)
  70. 2003 7.8 loss of power (4 replies)
  71. 2007 C4500 Topkick sealed beams (0 replies)
  72. New to forum...Introduction (5 replies)
  73. Rear Axle Differential Lock Control (1 replies)
  74. Tire diameter increase boosts mileage (2 replies)
  75. C4500 shock shock (13 replies)
  76. GMC Cab Lights Leaking (4 replies)
  77. 4x4 Regency Conversion (2 replies)
  78. ...Whats that funky smell? (7 replies)
  79. Heated mirrors? (2 replies)
  80. Oil leak after injector replacement (4 replies)
  81. Time for 2nd set of injectors... (3 replies)
  82. Turbo issue - 2004 LB7 with 97K miles (6 replies)
  83. Thinking about buying 4500 4x4 (11 replies)
  84. Drag link play leads to DOT out-of-service (5 replies)
  85. Kodiak Edge Juice woes (1 replies)
  86. Pyrometer Install (2 replies)
  87. C4500/5500 frames (3 replies)
  88. Super Singles on C4500? (5 replies)
  89. Towing capacities kodiak v. 3500 (9 replies)
  90. Medium Duty Quality thread- Monroe (45 replies)
  91. 2007 GMC - 7.8 engine (1 replies)
  92. Injector then cylinder (2 replies)
  93. 2007 GMC Medium Duty with 7.8L Isuzu Engine (15 replies)
  94. 2004 LB7 injector warranty extended to 200K (0 replies)
  95. Roadranger tranny (4 replies)
  96. C4500 high idle at cold startup (14 replies)
  97. Intercooler - is it the same peice on C4500/5500 and 2500/3500 trucks? (4 replies)
  98. Transformer Truck!!!!! (0 replies)
  99. Turbo Timer ??? (1 replies)
  100. Fuel Mileage? (2 replies)
  101. Spokane, WA or Coeur d'Alene, ID DP members? (20 replies)
  102. performance air filter (7 replies)
  103. Gear swap? (1 replies)
  104. Turbo bark? (1 replies)
  105. 2005 C4500 mileage (0 replies)
  106. Bigger Exhaust (2 replies)
  107. 2 breakdowns egr coolant (2 replies)
  108. CONTEST: Guess my GCVW! (9 replies)
  109. 07 Duramax in C5500 (5 replies)
  110. GMC TopKick - Transformer! (6 replies)
  111. TopKick Idiot Lights (1 replies)
  112. 2004 C4500 flatbed (7 replies)
  113. GM looking to sell medium duty truck unit (0 replies)
  114. Isuzu Truck disposal (5 replies)
  115. C4500 Monroe conversion (9 replies)
  116. is their any power mods for an 03c4500 with an 8.1 mated to an allison 5 sp (2 replies)
  117. Medium duty trucks (2 replies)
  118. Anyone else having transmission problems with their 4500? (9 replies)
  119. 4500 with pickup box (2 replies)
  120. dashboard schematic (1 replies)
  121. changing 305 gse engine to 6.2 diesel (1 replies)
  122. ON SALE (2 replies)
  123. HP ? (11 replies)
  124. Towing Capacity for 4500 & 5500 (1 replies)
  125. Towing Capacity for 4500 & 5500 (11 replies)
  126. Poor fuel mileage (4 replies)
  127. glowplugs not shutting off (2 replies)
  128. Initial experiences with a 5500 4x4 (7 replies)
  129. 4500 roll back (3 replies)
  130. Gearing (0 replies)
  131. 4X4 4500-5500 with exhaust brake? (10 replies)
  132. Left over 2004's (0 replies)
  133. GM 5500 series trucks customized for fifth wheel towing (9 replies)
  134. exhaust brake on GM medium duty trucks (1 replies)
  135. Auxiliary fuel tanks (4 replies)
  136. Air filter (7 replies)
  137. Left over 2004 4500's Blow out Sale!! (0 replies)
  138. Med Duty 5500 or 7500 (7 replies)
  139. Curb weight of C4500/5500 Crewcab??? (5 replies)
  140. Solid front axle 2005 GMC & Chevrolet (0 replies)
  141. 2004 4500 (2 replies)
  142. 4500's left in stock. (0 replies)
  143. Dmax May 04 Info. (0 replies)
  144. Injectors Bad (0 replies)
  145. 4X4 4500's (0 replies)
  146. C4500 owners, how would you answer this question? (9 replies)
  147. 4X4 4500's (1 replies)
  148. Whats Medium Duty?? (2 replies)
  149. New C-4500 is here.....pic's. (4 replies)
  150. TK4500's are here (2 replies)
  151. LLY (3 replies)
  152. C-4500 (2 replies)
  153. CK/TK 4500's (15 replies)
  154. Any MDT Owners on this Forum (15 replies)
  155. 2004 CK4500 Crews on order now (0 replies)
  156. Our condolences... (4 replies)
  157. White 4500 CC with bed-Monroe conv. truck. Pics. (0 replies)
  158. Red CC 4500 w/ dually bed (4 replies)
  159. Pic's of the 4500 Crew-cab (8 replies)
  160. ALL WHEEL DRIVE CONVERSION NOW AVAILABLE FOR C4500/C5500 (4 replies)