: Northstar Engines and System Technical Discussion



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