: Northstar Engines and System Technical Discussion



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  1. Questions about low-mile oft-stored '02 Eldorado
  2. P0741 & P1860
  3. 96 deville egr valve cleaning
  4. Hey, all you guys, check radiator hoses
  5. Anyone who can read motor serials get in here (calling AJ)
  6. Pinging above 3000RPM with 93 octane
  7. Northstar mechanic
  8. now mine STS too Broken HG :(
  9. Cam Question For AJ or Ewill
  10. 2000-2005 Headgasket...
  11. Northstar Oil Leak
  12. 99 sts stalling out
  13. roller lifters or flat tappet
  14. po39 tcc vcc help
  15. 2000 Deville DTS Overheating
  16. Track Results and Video's
  17. big problems on 97 deville>please help me
  18. Compressor/ Air Ride Help
  19. Dealer Flush
  20. Overheating
  21. head gasket seeping oil
  22. No start (cranks OK)
  23. Advice on leak detection kits please
  24. Northstar dimensions
  25. AJ-Question
  26. New here need help
  27. help please
  28. Why didn't Cadillac make a larger displacement Northstar?
  29. Check Gas Cap Message.
  30. Changing the cams on an STS to the SLS Cams
  31. why wont my fans work?
  32. 99 STS, almost working
  33. Loud Engine Whine
  34. Over-sized Northstar Pistons
  35. overheating problem
  36. seville with shifting problems 1rst > 2nd
  37. msd coil?
  38. very hard start in the cold on N*
  39. L37 or LD8 ????
  40. Need a reliable source for Northstar Torque specs
  41. Northstar Rod Spec's & 3.6L
  42. symptoms of bolt failure/lifted heads
  43. 99 Deville Northstar Overheating -wanting non contradicting answers
  44. 2000 DeVille Overheating Update
  45. Bad Alternator?
  46. 1996 Deville Troubleshoot update
  47. Fuel pressure regulator?
  48. IAC Counts
  49. Thermagasket Does It Work???
  50. Missed one connection
  51. Those Damn HEAD GASKETS
  52. LC3 FWD Swap?
  53. ? For Ewill or AJ
  54. looking for pictures of northstar valvetrain
  55. So, here are the symptoms, whats wrong
  56. Northstar Valvetrain Clatter
  57. 200 DeVille Blows hot air at low speed turns cold
  58. Could it be the Water Pump Knocking
  59. Can anyone tell me whats wrong?
  60. Front Valvetrain Clacking
  61. labor cost to replace o2 sensor????
  62. Difference between VIN Y and VIN 9
  63. Got Code P1415 Please Help
  64. 2000 Deville with northstar
  65. 1034-loss of PCM data
  66. Obd I P046
  67. Computer/wiring problems
  68. Need help on 98 Seville/Northstar
  69. New HG Installed on a 99, Pings on Start Up?
  70. Got my 05 Deville back from Dealer!! and extra part for sale.
  71. Need help - going to see a 98 Seville STS on Sat, what do I check?
  72. Sick Tranny?
  73. Engine Help!!!
  74. 2nd annual midwest meet !
  75. 2001 Cadillac SLS LD8 Bore-increase
  76. White Smoke coming from front of car
  77. !996 Deville help troubleshoot
  78. I have a question about cold startswith N*??
  79. How do you disable the traction control perm without having to press the button in...
  80. 94 N* EGR valve ?? Engine stumbles.
  81. P0121, P0507 High Idle???
  82. 94 ETC no shift, wont idle
  83. Looking for '98 ETC mods
  84. What's your preference for plugs and wires ?
  85. intake manifold exploded/hole after backfire??
  86. 95 STS Cooling System Quirks
  87. MSD ignition
  88. Idea for vehicle to do Northstar swap on.
  89. NEED HELP - HAVE CODES P1416 and P0101
  90. quote???
  91. FPR replacement on 94 N*
  92. torker
  93. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  94. Crankshaft & Cam sensors questions
  95. Why is my '96 Northstar now using oil?
  96. how to search forums..and cpk sensor question (2000 cadillac stalling)
  97. O2 Sensor Questions
  98. How can you tell if your HG's are shot?
  99. Rebuilt N*
  100. 97 STS vs. The drag strip
  101. 94 northstar starting problem
  102. Can i use synthetic oil in northstar?
  103. Getting Screwed
  104. Where is the main engine to body ground?
  105. white smoke n hp loss
  106. Is it me, or are alot of N*s having cracked blocks
  107. this is not an arguement thread for oil !
  108. 95 northstar tranny
  109. Is It Possible To???
  110. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  111. Serpentine belt
  112. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  113. Removing EGR on a'96 SLS
  114. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  115. Northstar shifting past redline
  116. 93/94 engines
  117. No Heat at Idle
  118. What's involved to drop the oil pan?
  119. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  120. Tell me about Force Motors/pressure control solenoids
  121. 99 Head Gasket Warranty?
  122. How can u save gas on a 99 deville?
  123. PC0327 - 96DeVille
  124. 1995 STS Cooling problems?
  125. Sts engine has this knocking sound
  126. Heater Core Leak/ Need Some Help, Please
  127. GM MAF sensor information and Discussion
  128. bottom end problems??
  129. Car runs hot but doesn't over heat
  130. Fuel Line Leak
  131. I have a cracked block, what next?
  132. RTV Silicone on Transmission Side Cover?
  133. hypothetically speaking
  134. 02 STS uses tons of oil
  135. Northstar Modifications
  136. 10w40 in N*
  137. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  138. upgrading 94 concours
  139. '98 STS valve cover
  140. HELP- Dropped a bolt in the intake valley
  141. Intake manifold crack?
  142. Need Some Code Help 02 Seville
  143. Crankshaft position sensor
  144. engine compatibility
  145. 1994 DeVille Concourse
  146. misfire at idle
  147. Need help removing 99 STS northstar motor
  148. 1st time motor pull for HG on 99 N*, some questions
  149. 97 Etc N* Head Gasket Project
  150. Headgasket Leaks & Repairs
  151. check coolant light on???
  152. High idle/ IAC clicking?
  153. HELP!! Fuel Rail Recall Problems 1996 Seville
  154. Engine stutter/punch
  155. P0741 TCC Stuck ON, tried much, what next
  156. What is the Northstar suppose to sound like?
  157. 2003 Sts 0-70
  158. IAC valve
  159. strange rumble sound during hard acceleration.
  160. 2002 STC - Front Engine Mount Broken
  161. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
  162. Unbolting "beauty cover" on a 1999 Deville What GIVES
  163. Where is my IAT Sensor located? 99 sts
  164. 1997 Seville SLS
  165. Arizona Cadillac Owners Cheap Northstar Engine
  166. questions about PC0300 code on 96 deville
  167. Help with this code...97 Cadillac deville
  168. Drive vs 3 What's better???
  169. Cam numbers?
  170. What Spark Plugs for a 1999 DeVille Northstar?
  171. Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
  172. Engine Oil Myths including ZDP by GM
  173. anyone ever use HEAL-A-SEAL
  174. Does vacuum sound from Surge Tank equal head gaskets?
  175. 94 Northstar Flexplate knocking noice. HELP!!
  176. 2003 DHS - Sluggish - EGR?
  177. Whirring/grinding That's Speed Sensitive
  178. 2002 deville/dhs engine trouble
  179. How can I clean the Mass Air Flow??
  180. Thanks for nothing, Northstar.
  181. P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3 - overheating
  182. Crank sensor tech 95 sts
  183. 1st gear WOT
  184. The End
  185. 99 STS Turbo charged video
  186. valve seals
  187. 1999 Seville Ignition DTC Help!
  188. Smoking Northstar?
  189. How long is your NS dipstick?
  190. weep holes
  191. engine swap for a 2001 dts
  192. P0741 - TCC System Stuck Off
  193. new Delco spark plug wires installed
  194. 1998 Deville overheating
  195. Help Having A Heart Attack! P039 / TRanny?
  196. N* programmer?
  197. Is it possible?
  198. Northstar Buick
  199. N* Runs Rough at Cold Start
  200. Bank 1 , 2 ??????
  201. Engine build
  202. P0300,p - Engine Misfire Detected 2002 deville, help please
  203. 2003 Deville with RWD
  204. Starter location
  205. Questions, Questions, and more Questions
  206. 93 sts traction disabled
  207. rental lincoln
  208. how to stay away from power loss
  209. 96 sts supercharger
  210. Are headgasket issues getting more common lately?
  211. 1998 Seville STS Chiptuning
  212. Tranny problems?
  213. Northstar Dyno Registry
  214. New Engine...climate control issues.
  215. Cryogenics
  216. My Photo Essay N* Head Gasket Repair Job
  217. Custom intake and nitrous
  218. 94 concours
  219. SLS Y-Code Engine: Do I need to replace the EGR Valve? PCM?
  220. service manual
  221. Possible Applications for Northstar?
  222. Need help....PLZ!!
  223. so i got a few PCM codes
  224. GM's Veiw on Fuel and Oil Additives
  225. How do I Reset the Change Oil Message?
  226. so when i went to pull codes, it just said all
  227. T061 T083
  228. 97 Deville No Longer Starts
  229. help on my 99' seville sls
  230. Starting issue
  231. 97 SLS Motor Swap to an 03. Is it possible?
  232. head
  233. 99 SLS and Straight DexCool rather than 50/50
  234. No 1st Gear!!!
  235. Cheap Northstar in NH, 35,000 miles
  236. Steering Wheel puff of smoke
  237. on the tranny subject
  238. Talk about luck!!
  239. New motor runs a lil hotter?
  240. o2 sensor question
  241. What is HOT for a blown head gasket
  242. Need Help Info On Where To Buy Rebuilt Engine
  243. compatable parts
  244. NorthStar swap wiring harness
  245. product question
  246. How long do you think caddy will keep the N*?
  247. SS Fuel Rail Removal
  248. Would this be a wise choice? [CAI] on a 184,000 mile northstar
  249. E85 on northstar ???
  250. just got my Plates