: Northstar Engines and System Technical Discussion



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  1. No 24x Refrence Signal
  2. OBD II Manual
  3. 2002 sts engine codes
  4. Noise on Startup when Cold
  5. question about trans gasket
  6. 98 Eldo Rebuilt Motor
  7. Pulling camshaft cover - can it be done w/out dropping engine?
  8. Thermostat
  9. 97 Deville w/ N* Battery(?) problems
  10. head gasket blown replacing motor
  11. AGAP Northstar reman engine NIGHTMARE
  12. Oil leak 2000 Deville
  13. 96 Eldorado ABS and Traction Control TRBL
  14. intermittent Bubbling noise in dashboard.. Any ideas?
  15. gasket questions on the northstar
  16. engine swap
  17. LD8 Engine issue (2005 Bonneville GXP)
  18. Custom made 8.5mm MSD spark plug wires
  19. oilpan/trans pan gasket...
  20. water pump tension pulley
  21. possible 1/2 case oil leak.....
  22. Northstar Oil Pan Help Needed
  23. Removing the N* from an el do?
  24. Problems with 02 DHS, need more opinions
  25. Can you name this Car?
  26. Two 4.6 Northstar Motors What are they Worth?
  27. How hot can you go?
  28. Throttle Position Sensor 94 N* - how to replace?
  29. Questions about low-mile oft-stored '02 Eldorado
  30. P0741 & P1860
  31. 96 deville egr valve cleaning
  32. Hey, all you guys, check radiator hoses
  33. Anyone who can read motor serials get in here (calling AJ)
  34. Pinging above 3000RPM with 93 octane
  35. Northstar mechanic
  36. now mine STS too Broken HG :(
  37. Cam Question For AJ or Ewill
  38. 2000-2005 Headgasket...
  39. Northstar Oil Leak
  40. 99 sts stalling out
  41. roller lifters or flat tappet
  42. po39 tcc vcc help
  43. 2000 Deville DTS Overheating
  44. Track Results and Video's
  45. big problems on 97 deville>please help me
  46. Compressor/ Air Ride Help
  47. Dealer Flush
  48. Overheating
  49. head gasket seeping oil
  50. No start (cranks OK)
  51. Advice on leak detection kits please
  52. Northstar dimensions
  53. AJ-Question
  54. New here need help
  55. help please
  56. Why didn't Cadillac make a larger displacement Northstar?
  57. Check Gas Cap Message.
  58. Changing the cams on an STS to the SLS Cams
  59. why wont my fans work?
  60. 99 STS, almost working
  61. Loud Engine Whine
  62. Over-sized Northstar Pistons
  63. overheating problem
  64. seville with shifting problems 1rst > 2nd
  65. msd coil?
  66. very hard start in the cold on N*
  67. L37 or LD8 ????
  68. Need a reliable source for Northstar Torque specs
  69. Northstar Rod Spec's & 3.6L
  70. symptoms of bolt failure/lifted heads
  71. 99 Deville Northstar Overheating -wanting non contradicting answers
  72. 2000 DeVille Overheating Update
  73. Bad Alternator?
  74. 1996 Deville Troubleshoot update
  75. Fuel pressure regulator?
  76. IAC Counts
  77. Thermagasket Does It Work???
  78. Missed one connection
  79. Those Damn HEAD GASKETS
  80. LC3 FWD Swap?
  81. ? For Ewill or AJ
  82. looking for pictures of northstar valvetrain
  83. So, here are the symptoms, whats wrong
  84. Northstar Valvetrain Clatter
  85. 200 DeVille Blows hot air at low speed turns cold
  86. Could it be the Water Pump Knocking
  87. Can anyone tell me whats wrong?
  88. Front Valvetrain Clacking
  89. labor cost to replace o2 sensor????
  90. Difference between VIN Y and VIN 9
  91. Got Code P1415 Please Help
  92. 2000 Deville with northstar
  93. 1034-loss of PCM data
  94. Obd I P046
  95. Computer/wiring problems
  96. Need help on 98 Seville/Northstar
  97. New HG Installed on a 99, Pings on Start Up?
  98. Got my 05 Deville back from Dealer!! and extra part for sale.
  99. Need help - going to see a 98 Seville STS on Sat, what do I check?
  100. Sick Tranny?
  101. Engine Help!!!
  102. 2nd annual midwest meet !
  103. 2001 Cadillac SLS LD8 Bore-increase
  104. White Smoke coming from front of car
  105. !996 Deville help troubleshoot
  106. I have a question about cold startswith N*??
  107. How do you disable the traction control perm without having to press the button in...
  108. 94 N* EGR valve ?? Engine stumbles.
  109. P0121, P0507 High Idle???
  110. 94 ETC no shift, wont idle
  111. Looking for '98 ETC mods
  112. What's your preference for plugs and wires ?
  113. intake manifold exploded/hole after backfire??
  114. 95 STS Cooling System Quirks
  115. MSD ignition
  116. Idea for vehicle to do Northstar swap on.
  117. NEED HELP - HAVE CODES P1416 and P0101
  118. quote???
  119. FPR replacement on 94 N*
  120. torker
  121. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  122. Crankshaft & Cam sensors questions
  123. Why is my '96 Northstar now using oil?
  124. how to search forums..and cpk sensor question (2000 cadillac stalling)
  125. O2 Sensor Questions
  126. How can you tell if your HG's are shot?
  127. Rebuilt N*
  128. 97 STS vs. The drag strip
  129. 94 northstar starting problem
  130. Can i use synthetic oil in northstar?
  131. Getting Screwed
  132. Where is the main engine to body ground?
  133. white smoke n hp loss
  134. Is it me, or are alot of N*s having cracked blocks
  135. this is not an arguement thread for oil !
  136. 95 northstar tranny
  137. Is It Possible To???
  138. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  139. Serpentine belt
  140. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  141. Removing EGR on a'96 SLS
  142. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  143. Northstar shifting past redline
  144. 93/94 engines
  145. No Heat at Idle
  146. What's involved to drop the oil pan?
  147. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  148. Tell me about Force Motors/pressure control solenoids
  149. 99 Head Gasket Warranty?
  150. How can u save gas on a 99 deville?
  151. PC0327 - 96DeVille
  152. 1995 STS Cooling problems?
  153. Sts engine has this knocking sound
  154. Heater Core Leak/ Need Some Help, Please
  155. GM MAF sensor information and Discussion
  156. bottom end problems??
  157. Car runs hot but doesn't over heat
  158. Fuel Line Leak
  159. I have a cracked block, what next?
  160. RTV Silicone on Transmission Side Cover?
  161. hypothetically speaking
  162. 02 STS uses tons of oil
  163. Northstar Modifications
  164. 10w40 in N*
  165. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  166. upgrading 94 concours
  167. '98 STS valve cover
  168. HELP- Dropped a bolt in the intake valley
  169. Intake manifold crack?
  170. Need Some Code Help 02 Seville
  171. Crankshaft position sensor
  172. engine compatibility
  173. 1994 DeVille Concourse
  174. misfire at idle
  175. Need help removing 99 STS northstar motor
  176. 1st time motor pull for HG on 99 N*, some questions
  177. 97 Etc N* Head Gasket Project
  178. Headgasket Leaks & Repairs
  179. check coolant light on???
  180. High idle/ IAC clicking?
  181. HELP!! Fuel Rail Recall Problems 1996 Seville
  182. Engine stutter/punch
  183. P0741 TCC Stuck ON, tried much, what next
  184. What is the Northstar suppose to sound like?
  185. 2003 Sts 0-70
  186. IAC valve
  187. strange rumble sound during hard acceleration.
  188. 2002 STC - Front Engine Mount Broken
  189. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
  190. Unbolting "beauty cover" on a 1999 Deville What GIVES
  191. Where is my IAT Sensor located? 99 sts
  192. 1997 Seville SLS
  193. Arizona Cadillac Owners Cheap Northstar Engine
  194. questions about PC0300 code on 96 deville
  195. Help with this code...97 Cadillac deville
  196. Drive vs 3 What's better???
  197. Cam numbers?
  198. What Spark Plugs for a 1999 DeVille Northstar?
  199. Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
  200. Engine Oil Myths including ZDP by GM
  201. anyone ever use HEAL-A-SEAL
  202. Does vacuum sound from Surge Tank equal head gaskets?
  203. 94 Northstar Flexplate knocking noice. HELP!!
  204. 2003 DHS - Sluggish - EGR?
  205. Whirring/grinding That's Speed Sensitive
  206. 2002 deville/dhs engine trouble
  207. How can I clean the Mass Air Flow??
  208. Thanks for nothing, Northstar.
  209. P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3 - overheating
  210. Crank sensor tech 95 sts
  211. 1st gear WOT
  212. The End
  213. 99 STS Turbo charged video
  214. valve seals
  215. 1999 Seville Ignition DTC Help!
  216. Smoking Northstar?
  217. How long is your NS dipstick?
  218. weep holes
  219. engine swap for a 2001 dts
  220. P0741 - TCC System Stuck Off
  221. new Delco spark plug wires installed
  222. 1998 Deville overheating
  223. Help Having A Heart Attack! P039 / TRanny?
  224. N* programmer?
  225. Is it possible?
  226. Northstar Buick
  227. N* Runs Rough at Cold Start
  228. Bank 1 , 2 ??????
  229. Engine build
  230. P0300,p - Engine Misfire Detected 2002 deville, help please
  231. 2003 Deville with RWD
  232. Starter location
  233. Questions, Questions, and more Questions
  234. 93 sts traction disabled
  235. rental lincoln
  236. how to stay away from power loss
  237. 96 sts supercharger
  238. Are headgasket issues getting more common lately?
  239. 1998 Seville STS Chiptuning
  240. Tranny problems?
  241. Northstar Dyno Registry
  242. New Engine...climate control issues.
  243. Cryogenics
  244. My Photo Essay N* Head Gasket Repair Job
  245. Custom intake and nitrous
  246. 94 concours
  247. SLS Y-Code Engine: Do I need to replace the EGR Valve? PCM?
  248. service manual
  249. Possible Applications for Northstar?
  250. Need help....PLZ!!