: Northstar Engines and System Technical Discussion



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  1. 2000-2005 Headgasket...
  2. Northstar Oil Leak
  3. 99 sts stalling out
  4. roller lifters or flat tappet
  5. po39 tcc vcc help
  6. 2000 Deville DTS Overheating
  7. Track Results and Video's
  8. big problems on 97 deville>please help me
  9. Compressor/ Air Ride Help
  10. Dealer Flush
  11. Overheating
  12. head gasket seeping oil
  13. No start (cranks OK)
  14. Advice on leak detection kits please
  15. Northstar dimensions
  16. AJ-Question
  17. New here need help
  18. help please
  19. Why didn't Cadillac make a larger displacement Northstar?
  20. Check Gas Cap Message.
  21. Changing the cams on an STS to the SLS Cams
  22. why wont my fans work?
  23. 99 STS, almost working
  24. Loud Engine Whine
  25. Over-sized Northstar Pistons
  26. overheating problem
  27. seville with shifting problems 1rst > 2nd
  28. msd coil?
  29. very hard start in the cold on N*
  30. L37 or LD8 ????
  31. Need a reliable source for Northstar Torque specs
  32. Northstar Rod Spec's & 3.6L
  33. symptoms of bolt failure/lifted heads
  34. 99 Deville Northstar Overheating -wanting non contradicting answers
  35. 2000 DeVille Overheating Update
  36. Bad Alternator?
  37. 1996 Deville Troubleshoot update
  38. Fuel pressure regulator?
  39. IAC Counts
  40. Thermagasket Does It Work???
  41. Missed one connection
  42. Those Damn HEAD GASKETS
  43. LC3 FWD Swap?
  44. ? For Ewill or AJ
  45. looking for pictures of northstar valvetrain
  46. So, here are the symptoms, whats wrong
  47. Northstar Valvetrain Clatter
  48. 200 DeVille Blows hot air at low speed turns cold
  49. Could it be the Water Pump Knocking
  50. Can anyone tell me whats wrong?
  51. Front Valvetrain Clacking
  52. labor cost to replace o2 sensor????
  53. Difference between VIN Y and VIN 9
  54. Got Code P1415 Please Help
  55. 2000 Deville with northstar
  56. 1034-loss of PCM data
  57. Obd I P046
  58. Computer/wiring problems
  59. Need help on 98 Seville/Northstar
  60. New HG Installed on a 99, Pings on Start Up?
  61. Got my 05 Deville back from Dealer!! and extra part for sale.
  62. Need help - going to see a 98 Seville STS on Sat, what do I check?
  63. Sick Tranny?
  64. Engine Help!!!
  65. 2nd annual midwest meet !
  66. 2001 Cadillac SLS LD8 Bore-increase
  67. White Smoke coming from front of car
  68. !996 Deville help troubleshoot
  69. I have a question about cold startswith N*??
  70. How do you disable the traction control perm without having to press the button in...
  71. 94 N* EGR valve ?? Engine stumbles.
  72. P0121, P0507 High Idle???
  73. 94 ETC no shift, wont idle
  74. Looking for '98 ETC mods
  75. What's your preference for plugs and wires ?
  76. intake manifold exploded/hole after backfire??
  77. 95 STS Cooling System Quirks
  78. MSD ignition
  79. Idea for vehicle to do Northstar swap on.
  80. NEED HELP - HAVE CODES P1416 and P0101
  81. quote???
  82. FPR replacement on 94 N*
  83. torker
  84. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  85. Crankshaft & Cam sensors questions
  86. Why is my '96 Northstar now using oil?
  87. how to search forums..and cpk sensor question (2000 cadillac stalling)
  88. O2 Sensor Questions
  89. How can you tell if your HG's are shot?
  90. Rebuilt N*
  91. 97 STS vs. The drag strip
  92. 94 northstar starting problem
  93. Can i use synthetic oil in northstar?
  94. Getting Screwed
  95. Where is the main engine to body ground?
  96. white smoke n hp loss
  97. Is it me, or are alot of N*s having cracked blocks
  98. this is not an arguement thread for oil !
  99. 95 northstar tranny
  100. Is It Possible To???
  101. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  102. Serpentine belt
  103. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  104. Removing EGR on a'96 SLS
  105. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  106. Northstar shifting past redline
  107. 93/94 engines
  108. No Heat at Idle
  109. What's involved to drop the oil pan?
  110. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  111. Tell me about Force Motors/pressure control solenoids
  112. 99 Head Gasket Warranty?
  113. How can u save gas on a 99 deville?
  114. PC0327 - 96DeVille
  115. 1995 STS Cooling problems?
  116. Sts engine has this knocking sound
  117. Heater Core Leak/ Need Some Help, Please
  118. GM MAF sensor information and Discussion
  119. bottom end problems??
  120. Car runs hot but doesn't over heat
  121. Fuel Line Leak
  122. I have a cracked block, what next?
  123. RTV Silicone on Transmission Side Cover?
  124. hypothetically speaking
  125. 02 STS uses tons of oil
  126. Northstar Modifications
  127. 10w40 in N*
  128. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  129. upgrading 94 concours
  130. '98 STS valve cover
  131. HELP- Dropped a bolt in the intake valley
  132. Intake manifold crack?
  133. Need Some Code Help 02 Seville
  134. Crankshaft position sensor
  135. engine compatibility
  136. 1994 DeVille Concourse
  137. misfire at idle
  138. Need help removing 99 STS northstar motor
  139. 1st time motor pull for HG on 99 N*, some questions
  140. 97 Etc N* Head Gasket Project
  141. Headgasket Leaks & Repairs
  142. check coolant light on???
  143. High idle/ IAC clicking?
  144. HELP!! Fuel Rail Recall Problems 1996 Seville
  145. Engine stutter/punch
  146. P0741 TCC Stuck ON, tried much, what next
  147. What is the Northstar suppose to sound like?
  148. 2003 Sts 0-70
  149. IAC valve
  150. strange rumble sound during hard acceleration.
  151. 2002 STC - Front Engine Mount Broken
  152. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
  153. Unbolting "beauty cover" on a 1999 Deville What GIVES
  154. Where is my IAT Sensor located? 99 sts
  155. 1997 Seville SLS
  156. Arizona Cadillac Owners Cheap Northstar Engine
  157. questions about PC0300 code on 96 deville
  158. Help with this code...97 Cadillac deville
  159. Drive vs 3 What's better???
  160. Cam numbers?
  161. What Spark Plugs for a 1999 DeVille Northstar?
  162. Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
  163. Engine Oil Myths including ZDP by GM
  164. anyone ever use HEAL-A-SEAL
  165. Does vacuum sound from Surge Tank equal head gaskets?
  166. 94 Northstar Flexplate knocking noice. HELP!!
  167. 2003 DHS - Sluggish - EGR?
  168. Whirring/grinding That's Speed Sensitive
  169. 2002 deville/dhs engine trouble
  170. How can I clean the Mass Air Flow??
  171. Thanks for nothing, Northstar.
  172. P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3 - overheating
  173. Crank sensor tech 95 sts
  174. 1st gear WOT
  175. The End
  176. 99 STS Turbo charged video
  177. valve seals
  178. 1999 Seville Ignition DTC Help!
  179. Smoking Northstar?
  180. How long is your NS dipstick?
  181. weep holes
  182. engine swap for a 2001 dts
  183. P0741 - TCC System Stuck Off
  184. new Delco spark plug wires installed
  185. 1998 Deville overheating
  186. Help Having A Heart Attack! P039 / TRanny?
  187. N* programmer?
  188. Is it possible?
  189. Northstar Buick
  190. N* Runs Rough at Cold Start
  191. Bank 1 , 2 ??????
  192. Engine build
  193. P0300,p - Engine Misfire Detected 2002 deville, help please
  194. 2003 Deville with RWD
  195. Starter location
  196. Questions, Questions, and more Questions
  197. 93 sts traction disabled
  198. rental lincoln
  199. how to stay away from power loss
  200. 96 sts supercharger
  201. Are headgasket issues getting more common lately?
  202. 1998 Seville STS Chiptuning
  203. Tranny problems?
  204. Northstar Dyno Registry
  205. New Engine...climate control issues.
  206. Cryogenics
  207. My Photo Essay N* Head Gasket Repair Job
  208. Custom intake and nitrous
  209. 94 concours
  210. SLS Y-Code Engine: Do I need to replace the EGR Valve? PCM?
  211. service manual
  212. Possible Applications for Northstar?
  213. Need help....PLZ!!
  214. so i got a few PCM codes
  215. GM's Veiw on Fuel and Oil Additives
  216. How do I Reset the Change Oil Message?
  217. so when i went to pull codes, it just said all
  218. T061 T083
  219. 97 Deville No Longer Starts
  220. help on my 99' seville sls
  221. Starting issue
  222. 97 SLS Motor Swap to an 03. Is it possible?
  223. head
  224. 99 SLS and Straight DexCool rather than 50/50
  225. No 1st Gear!!!
  226. Cheap Northstar in NH, 35,000 miles
  227. Steering Wheel puff of smoke
  228. on the tranny subject
  229. Talk about luck!!
  230. New motor runs a lil hotter?
  231. o2 sensor question
  232. What is HOT for a blown head gasket
  233. Need Help Info On Where To Buy Rebuilt Engine
  234. compatable parts
  235. NorthStar swap wiring harness
  236. product question
  237. How long do you think caddy will keep the N*?
  238. SS Fuel Rail Removal
  239. Would this be a wise choice? [CAI] on a 184,000 mile northstar
  240. E85 on northstar ???
  241. just got my Plates
  242. 1996 Cadillac DeVille NO CODES ????
  243. Engine code - EOP
  244. Type of engine?
  245. Turbo Charged STS Cadillac
  246. Northstar Cam specs
  247. How can I drive 1000 miles with a coolant leak?
  248. To Rebuild or not.
  249. Do you use dealer for Northstar repairs?
  250. How long do Northstar engines last?