: Northstar Engines and System Technical Discussion



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  1. What is a good operating temperature?
  2. P0336 CADILLAC -Crankshaft Position Sensor 'A'
  3. How to tell which valve lash adjuster is faulty.
  4. Time for HG repair
  5. icm (ignition control module) problem keeps going out
  6. How to know if you have already entered some inserts in my engine?
  7. 2000 Northstar Strange Starter Issue?
  8. 99 Northstar rebuild questions
  9. Northstars sorted out yet?
  10. 4.6 white smoke issue
  11. Northstar and a turbo
  12. 2003 Deville misfire when warm
  13. 02 Deville 90k - low idle
  14. Need bolt torque specs: Flywheel, Torque Converter, Trans bolts.
  15. All of a sudden 2003 Deville developed a miss
  16. Northstar swap wiring harness question
  17. Any shops that know the N* near Ft. Walton Beach,FL ?
  18. replacing the oil pan in a 2000 deville
  19. Northstar - AIR valves ?
  20. 1994 N* Fuel Pressure Regulator
  21. New Northstar Engines
  22. Timing Chain Guide Adapt - 98+ to the old style engines
  23. 97' ETC check engine gives all O2 codes
  24. Northstar Overhaul Shop near Southern Maine, NH or MA
  25. Finished Replacement Front Engine Mount
  26. Studs officially shipping from the USA - thanks to JoeTahoe
  27. what to check when buying a northstar?
  28. Can I run 40W or 50w OIL on my NORTHSTAR 4.6? I live in very HOT WEATHER
  29. How to check for Hydrolock?
  30. 1999 Deville smokes at idle
  31. 2002 Deville - Knock sensor ?
  32. 96 Deville - Misfire on #8
  33. MAP sensor location critical ?
  34. 93-94 Northstar Water Pump Tensioner
  35. Please post recommended Northstar Repair Shops in Florida
  36. Cradle won't drop on 98 STS
  37. Replaced old radiator due to crack, overheats with new radiator.. PLEASE HELP
  38. 4 Bad Headgaskets
  39. What is involved in swapping a 93 Edo vin9 with a 95 viny (is it doable) ?????
  40. Swap Nightmare
  41. 2000 Deville possible overheat
  42. EVAP code P 0442
  43. Deville Northtar engine swap and PCM problems
  44. 04 Deville - engine upgrades
  45. 2001 Deville: Won't stay running while in drive
  46. Nortstar engine removal.
  47. Engine overheat and oil in coolant - 2001 STS
  48. What do you like about your Northstar powered vehicle?
  49. Is it possible to remove the cams and keep the timing chain tensioner in place?
  50. Low coolant sensor
  51. 1999 STS leaking coolant
  52. My story: HG headgasket failure
  53. LH2 Swap - Issue starting
  54. Oil/coolant mixing
  55. Throttle Position Sensor relearn ??
  56. 2000 & up Seville air intake resonator
  57. 2001 Seville engine overhaul questions
  58. 2000 Deville Fuel Pressure Specs
  59. 2002 Deville rough idle
  60. 99 eldorado 02 sensors
  61. Oil Pressure Sending Unit - SRX
  62. P0308 #8 Misfire issue... Replaced a lot, still have issue
  63. 99 STS hard cold start. No codes, fpr tests ok and fuel is 44 psi running
  64. A method to remove Crankshaft bolt without locking the flywheel or using the starter.
  65. 2002 Deville AIR pump Vacuum line Routing
  66. 1999 Deville Headgasket - head job or total overhaul ?
  67. 2001 deville engine making kocking noise
  68. 2002 Deville Overheating after Thermostat replacement
  69. Water pump drive pulley
  70. Special tool for Northstar water pump drive pulley
  71. Reliability of 2005 and beyond Northstar-powered cars
  72. Harmonic Balancer Torque
  73. Need advice on who to do a Northstar head job in the Huntsville Alabama area
  74. NGK Spark plugs & coolant level message - 2003 Deville
  75. Get a Free set of Main Studs with Purchase of Sure Grip Cylinder Head Stud Kit
  76. Developed an engine whine... what is it?
  77. Please help with PCM issue on 1993 Allante
  78. limp mode..now misfire
  79. Water cooled alternator - what years/models ?
  80. O2 Sensors in a Hot Rod Set-up
  81. 2002 Northstar WOT, performance brakes, CORSA ?
  82. 1996 and later Northstar performance chips
  83. Magnaflows on a 2003 Deville
  84. socket down camshaft drive chain slot
  85. coolant drip middle front lower
  86. 2005 STS Camshaft Sensor Location? V8 4.6 engine
  87. Pcm issue or camshaft issue any help
  88. Rail / Injector Leak Deville 99
  89. Northstar chips, cold air intakes, and spark plugs
  90. coil on plug ignition modules
  91. Mystery Check Engine Light
  92. Only starts with starting fluid - '97 SLS
  93. 99 STS head gasket repair [ in car]
  94. Problem with 97 Eldorado. P 0300...
  95. 02 Cooling building back pressure. Purge line clear.
  96. 1998 STS coolant change
  97. Mystery Black Wire
  98. Oil pressure
  99. 98 deville, uses oil? but how
  100. What year is my Northstar motor, and what cars will it drop into?
  101. trouble with spark from coil packs
  102. Replace and Reprogram PCM 2001 DTS
  103. 1995 SLS - Poor idle quality
  104. Oil Pan Gasket and Permatex UltraGray placement
  105. 98 Deville, changing the coolant, sealant tabs?
  106. 2000 Deville Water Pump will Not Come Out
  107. Fuel pressure regulator
  108. 2003 Deville - exhaust steaming and coolant loss
  109. Can't remove Water Pump Drive pulley.. ever seen one that is stuck?
  110. Best Rear Main Seal Fix?
  111. Critique my coolant flush method
  112. Oil pressure light - 1998 Deville Northstar
  113. 1994 Eldorado thermostat replacement and coolant leak
  114. EGR Tubing
  115. '02 Seville was running fine, now it's not ?
  116. flex tube exhaust
  117. 01 Northstar Water in oil, high oil use, misses when cold.
  118. Coolant Leak Source? (pictures)
  119. When to reseal case halves?
  120. Look what I found in my engine!
  121. Puzzling Clattering Noise During Warm Startups
  122. HG's vs Pulled Threads
  123. Cat problems?
  124. Oil leaks on 1998 ElDorado
  125. 2000+ Intake Manifold on 1998 Northstar
  126. 2001 Deville - coolant boiling in reservoir
  127. Problem with my 1994 Eldorado engine - smoking
  128. code P 0171, P 0174 - solved
  129. Unable to communicate with the console cluster
  130. North Star Engine Disappointment (copy)
  131. SJ - API oil
  132. 97 ETC exhaust manifold fasterners.
  133. Fix the engine, (HG), replace the engine?
  134. Where does this go...?
  135. PCV Valve Elbow?
  136. Pics of my oil leaks
  137. combustion leak tester
  138. Anyone used Lucas Engine Stop Leak?
  139. Water pump issue, mostly? 1994 STS
  140. 98 Deville Water Pump Fail After Serpentine Belt Replaced
  141. Water Pump - Failing When Hot
  142. Oil Pan Leak?
  143. 2002 Deville misfire on Northstar
  144. I'm gonna do a block test today
  145. Car keeps overheating
  146. Service fuel system
  147. radiator cap # ?
  148. Northstar Loan-A-Tool Program, USA shipping on stud kits
  149. EGR Major Issues..help!
  150. 2000 Deville surging?
  151. 1998 STS crankshaft position sensors location
  152. Deville engine swaps and differences
  153. Water pump won't break
  154. New business pratices and standards coming into effect Apr 15/2014
  155. AIR pump on '99
  156. 1995 STS - multiple crank cold starts
  157. Pre-diagnosing HG issues?
  158. eldo running hot
  159. Which alternator? 94 Deville Concours
  160. My 1994 Deville 4.9 is starting to show some signs.
  161. 1999 deville - replaced water pump - running hot
  162. 2009 Buick Lucerne Headgasket
  163. The American V8 - Anatomy of a Hydrolock
  164. 2005 Deville oil pan seal leak
  165. Vacuum diagram
  166. 1997 STS - Long crank/start times - (Advice / Ideas)
  167. Lower crankcase reseal - 2005 Deville
  168. My sincerest apologies and also thanks -
  169. headbolt inserts
  170. Northstar and carbon cleaning
  171. Running but ............... 2001 Northstar
  172. 2000 DTS - no power
  173. To buy or not to buy.....1998 ESC
  174. 1996 DeVille flex plate replacement
  175. engine oil in intake manifold
  176. 2004 DTS Frustrations... misfires and SES
  177. 2000 SLS powertrain/ cradle removal
  178. 98 deville coolant smell?
  179. 02 N☆ Fuel Pressure
  180. Air intake upgrade - DTS Performance ?
  181. 2007 Engine Knock 4.6 Help
  182. The Caddy lives again - Life after the dreaded head leakage
  183. 1997 Deville - EGR remove & replace
  184. Northstar head bolt hole thread repair options
  185. Northstar Production Numbers 1993-2009
  186. 2000 STS - P 0300 - rough idle
  187. 2003 Seville EGR codes
  188. 2004 DHS - CMP location ?
  189. Mechinical buzzing noise from under hood ( 2002 Deville, 150,000)
  190. Blue devil and Norhtstar:
  191. Stalling issue - slow speeds - 1998 ETC
  192. Damaged throttle cable (1998 Deville)
  193. 2000 DTS - correct replacement engine ?
  194. My experience with the water crossover job
  195. Northstar Swap Question
  196. Interesting Listing........ pre-2000 Northstar and transmission
  197. 2001 Deville oil distribution manifold plate seal leak
  198. 1998 Deville has leak at water crossover (150,000 miles)
  199. 2003 Head Gasket Repair
  200. 2006 Northstar engine problems - Buick Lucerne
  201. Water pump? 1999 STS overheating
  202. Northstar swap into a 1987 Fiero GT - engines and differences
  203. Oil Filter Pre-fill
  204. The InFamous N* Oil Leak - Oil Manifold
  205. Engine miss - 1998 Deville
  206. Priming Northstar after total rebuild
  207. Which Rear Main Seal installer do I need for a 1999 DeVille?
  208. Alt amps too high?
  209. 2003 STS engine seized
  210. Cylinder damage question....extended idling
  211. Anyone use "cadillacheadgasketfix.com" in bellflower, ca. to rebuild their Northstar?
  212. My 2000 Deville is back to life
  213. Melted camshaft water pump drive pulley
  214. 2001 Deville N* Spark plug boots questions
  215. drove over curb in fog 96 cadi died and wont restart
  216. fuel injector removal
  217. 2000 head gasket/ insert differences
  218. Northstar overheating-Repair
  219. Head porting Northstar...
  220. 01 Seville runs rough, 0306 code intermittent
  221. Attention all Northstar engine owners - Carroll Cadillac studs
  222. Questions about pre 00 Northstar oil change and use of additives
  223. Pressure in expansion tank
  224. ran out of gas now my SES light turned on any help
  225. New Northstar Crate Engines
  226. very bad coolant leak
  227. High Idle question
  228. Flowmasters on a 2003 SLS
  229. Simple spark plug question - Northstar "tune up"
  230. Results posted - Christmas Draw - FREE STUD KIT!
  231. 2004 Deville rough idle
  232. 1996 Deville fuel injectors
  233. Cylinder head bolt replacement
  234. Northstar R&D-Bench Test Apparatus
  235. Hello Cadillac/Northstar owners
  236. 1996 Deville...... 4.6 Northstar trouble......lotsa trouble.
  237. P0300 Misfire - My problem and solution + more problems...
  238. Best Engine Mounts - 1993-1994 or the newer?
  239. Blown head gasket repair
  240. occassional stalling problem
  241. 05 Deville
  242. Northstar battery life expectation
  243. 2001 DTS Valve Clearance question
  244. Fuel Pump Longevity/Milage Expectations
  245. Torquing N* head
  246. 96' Northstar cranks, will not start
  247. 01 Deville Cylinder #1 misfire
  248. bucking and kicking
  249. Northstar sitting for 12 years...need new springs?
  250. 2005 Bonneville GXP Northstar jumped time