: Northstar Engines and System Technical Discussion



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  1. Water pump removal
  2. Northstar coolant leak
  3. More Northstar repair services......ENJOY
  4. Shell Rimula R6 ME 5W30
  5. Camshaft pulley removal
  6. P0300 Code goes off at high rpm.
  7. Turbo'ed 98-04 STS N*
  8. 99' cadillac head gasket problems
  9. Fuel Injector resistance 1994 Northstar motor
  10. Northstar Main Studs-
  11. $575 99 Seville project Car overheating
  12. My Little Northstar engine Project
  13. Trans question p0748 after trans repaired by rebuilder
  14. 1994 Deville Concours PCM Replacement
  15. 94 Deville Concours PCM Codes P041 and P119
  16. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  17. prospective owner with HG question
  18. tcc solenoid need help asap
  19. egr blockoff
  20. 01 eldorado ESC "hard" starting and once wouldn't start
  21. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  22. Direct Injection - Technology Question
  23. Bought the '97 etc replacement
  24. Advice from some repair guys on cleaning processes
  25. 94 STS head gasket question
  26. Doesn't seem to be the head gasket but still overheats
  27. Looking for HG Repair Shop in Southeast US
  28. evap solonoid
  29. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  30. 1995 elder northstar cooling
  31. how to change camshaft position sensor on 1997 sts
  32. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  33. 1994 SLS Northstar running rich and stalling
  34. Front seal is leaking
  35. Thorttle body problem and code p2135
  36. Ignition drop-outs
  37. L37, ld8, l47 & lx5
  38. My 98 Deville with straight pipes... what do you guys think?
  39. hg repairs
  40. Wierd Temperature spikes 02 deville
  41. There was a thread or sticky that was all about engine oild and dino or conventional
  42. Oil pump prime
  43. Motor Mount project
  44. Hello Everyone, I need help with getting an engine......
  45. P0304 Misfire cylinder 4
  46. N* picky about motor oil?
  47. Timing chain seems loose on a 4.6L Deville.
  48. 99 deville fans just stop both of them
  49. Replacing a TPS in a 99 Deville?
  50. 2000 Deville Idle Relearn
  51. Polishing Cam lobes?
  52. Northstar Tuneup
  53. Felpro intake manifold gaskets
  54. PCM Codes P0171 and P0174
  55. 100 Cadillac head gasket repairs completed
  56. NorthStar Engine Block Crack Have you had one What year and how did it crack
  57. 4.6 N* Crank shaft / oil pump question
  58. hard starting 1997 sts
  59. air in coolant system?
  60. more electrical gremlins
  61. No fuel pressure
  62. Photos of the CNC turning center-
  63. 98 STS White smoke on accelation
  64. Should I have my brand new, never fired 4.0 long-block studded?
  65. Found my coolant leak
  66. Oil pump seal/oring
  67. Looking for a SPECIFIC N* Removal Guide
  68. Remote start and push button ignition
  69. Consequences of driving with failed HG
  70. How to space piston rings
  71. Cam journal caps broke
  72. Should I replace PCM? Need 2nd & 3rd opinions
  73. New owner of 1997 Eldorado, many questions
  74. N* To pull or not to pull, A/C is the question.
  75. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  76. Northstar PCM Tuning
  77. Cross over gaskets ?
  78. Smells like exhaust in antifreeze again............... ?
  79. Disabling air injection system in 2002 engine?
  80. Couple of problems with my 94 Seville.
  81. 1994 cadillac seville Spark plug change
  82. Bad head gaskets or user error?
  83. northstar pre-trip opinion
  84. Source for engine internal parts?
  85. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  86. If Engine has been Studed can you Remove the heads and put the heads back with in car
  87. So where is my oil level sensor?
  88. Curious. . .crankshaft position sensors, are they reversable?
  89. Bad mileage
  90. Taking Pre-Orders for bottom end stud kits-
  91. Any good Northstar shops near Maryland?
  92. Have code P071 & P046
  93. Cost of DIY Headgaskets/studs?
  94. Ceramic coated exhaust manifolds?
  95. What is the timeline for Head Gasket failure
  96. Where are the parts for this build?
  97. MAF Housing R&R
  98. ticking tapping noise in engine video attached
  99. Interesting find........
  100. proper torque-to-yield on 99 sts
  101. Northstar 4.6 bottom end
  102. 1996 ETC Code nightmares p13
  103. 2000 STS Half-case seal gasket P/N
  104. Looks like an early factory "new" create engine
  105. Northstar Shake
  106. 5/16 course Head Bolts?
  107. Time sert removal
  108. tcc solenoid
  109. Just got exhaust work done and now I'm getting some codes... Advice? 2002 DTS
  110. Question regarding slight motor mount/tranny thump
  111. 85 Northstar head gasket jobs completed 85 Cadillacs saved!
  112. Looking for a shop in GA that uses Studs for HG repair
  113. Help with Tune Up Northstar 4.6
  114. Disassembling my first N*
  115. bad ground the route of all evil ??
  116. Mysterious loss of coolant / 7000 miles without a problem since new studs & gaskets..
  117. Engine swap question
  118. New Guy to Northstar and their General Maintaince
  119. Torque Converter Shaft
  120. Painting engine cover and valve cover/s
  121. 1996 Cadillac Seville SLS - Replacing water pump belt HELP!
  122. Still getting Missfire-New AC Delco Plugs and new coil packs
  123. Removing exhaust down pipe on 99 Seville
  124. 94 Cadillac Seville SLS flooding out real bad
  125. New Member engine overheating problem...
  126. Oil Pressure...
  127. Pretty sure I have a fuel leak somewhere under the hood
  128. Engine Coolant Temperature Gauges / Cooling Fans Operation Explained
  129. Oil, cams, Northstars, and ZDDP
  130. New member, 1st caddy- low coolant level warning
  131. 2000 SLS engine oddity
  132. 4.0 rebuild
  133. Northstar swap transmission please help
  134. Best method of cleaning
  135. Crank Bolt Removal and free block/tranny
  136. Time Sert Kit Needed.
  137. I’m not Convinced it the Head Gaskets again?
  138. Code question?
  139. Out the top! First time....
  140. cam swap to 4.0l
  141. Timesert Failure
  142. Looking for a GOOD shop in/near MASS for engine install.
  143. HG For Me Too!
  144. Northstar A/C
  145. ECU TROUBLE! IMPORTANT! How to fix or replace cut wires to ecu?
  146. Northstar in a 65 Corsa
  147. crank position sensor relearn
  148. I really need help OBD TROUBLE CODES 96 STS
  149. 2007 DTS Engine noise at start up help
  150. 02 Northstar in 99 sys basically complete
  151. Other Northstar Vehicles (LD8)
  152. Noticeable drop in power in warm weather
  153. norms insert alignment kit for sale
  154. 99 STS stumbles, P1370a, P1371a, P1377a codes; At wits end with this car
  155. 2000 cadillac sts completely stumped, tried everything and new to fourm.
  156. 2006 DTS Intermittent Leakage Causing Battery to go Dead Overnight
  157. new guy with 99 eldorado etc
  158. Anyone need a Stud Kit?
  159. Question about stud kit install?
  160. Timing question
  161. 94 eldo cooling problem
  162. Rear main (probable) seal leaking... talk to "Northstar performance" or no?
  163. Convert from Dex-Cool to green antifreeze
  164. Cracked Blocks. CKP swap to 00+ blocks?
  165. '96 STS starting trouble & heat only on right side
  166. how to replace a1994 sls map sensor, code p032
  167. Can anyone comment on the differences in '06 to '10 Vin Y (LD8) engines from '05
  168. 2002 Northstar security
  169. EMERGENCY! I have an interview tomorrow and my Car (2000 Eldo) is down!
  170. 2002 4t80e tranny
  171. Internal Engine Questions!
  172. Trouble communicating with Northstar Performance.
  173. It's been asked before, but more specifically.ACD 41-OEM Sparkplugs vs Denso Iridium
  174. Who has done the Most head gasket jobs on N's
  175. New supplier for a high performance exhaust crossover pipe
  176. Who has used studs from Northstar Performance ?
  177. Northstar XV12 engine
  178. Message to all stud kit customers, past, present, and future.
  179. Lower crankcase reseal questions
  180. Best Reasonably Priced Socket Tools?
  181. 2000 Eldo front cam cover gasket replacement
  182. P1599 - Engine Stall or Near Stall Detected
  183. No longer a Cadillac owner :-(
  184. PVC valve,where are you?
  185. Replaced head gaskets and northstar performance studs with egine in car
  186. Problem solved!
  187. Greetings all, Newby here. Got a '94 Eldo Northstar w/ zero problems and...
  188. new spark plugs and radio static
  189. Northstar removal guide - feedback wanted
  190. Crankcase half leak?
  191. 05 Northstar Timing Chain Failure?
  192. another shop pulling a scam?
  193. MAF SENSOR ISSUE 2000 Cadillac Seville SLS
  194. spark plugs
  195. Is it just me or does it seem like there are a lot more bad head gaskets, esp 2000+
  196. ignition switch keeps blowing on 02 deville
  197. idle vibration and no other codes/symptoms
  198. fuel pump info please
  199. 95 seville smokes tons at idle after sitting for a year
  200. Tapping Noise
  201. Coolant temp sensor
  202. 2002 Deville Mechanics are stumped
  203. white/blue smoke
  204. Fel-Pro or OEM gaskets?
  205. change to synthetic to help oil consumption?
  206. Steel of a deal?
  207. 94 top intake cover bolts- which side up
  208. 2002 Deville completely died at 80 mph
  209. pulsating engine and trans kickdown too high
  210. P0101 and P0741 -2000 Deville
  211. Cam shaft code 99 deville ongoing project with hg repair
  212. Blown Head Gasket 00 Deville
  213. God Bless America - stud kits to ship from new USA location
  214. Any differences between N* in 98 Deville and 98 Seville?
  215. 98 Deville HG failure
  216. Minimum idle speed adjustment on 1996 throttle body
  217. My NorthStar Head Stud installation picture
  218. bad idle and shuts off
  219. Question on Northstar small cover bolts, what size wrench?
  220. 2002 Cadillac DeVille and engine skip
  221. dropping Northstar
  222. Scan Tools For The DIY
  223. engine form 97 into 99?
  224. 94 4.6 Water Pump Housing question
  225. Northstar Performance - 24 hour head gasket repair & bottom end re-seal
  226. 1998 Deville, Both Cooling Fans fail to turn on when commanded with TECH II
  227. 1998 Deville Waterpump housing cover gasket is it reall a dealer only item
  228. Radiator Flush 02 deville
  229. Cannot remove spark plugs
  230. Crankshaft Sensors
  231. Crankshaft sensor?
  232. Fixed - Map sensors keep failing on 94 NorthStar
  233. Which motor mount is this?
  234. Stalls when stopping/stopped
  235. Help!!
  236. ♠ The never had a headgasket problem club…
  237. Cam Cover Colors
  238. P0410 and P0418 on 2005 Bonneville GXP
  239. Spark plug replacment
  240. 94 STS Acceleration issue
  241. EGR or IAC problem on -95 Eldo
  242. Northstar Headgasket Leak/Headbolts......Northstar Performance Bolts
  243. Sticky gas pedal
  244. Cannonball Run Sept 3/2011
  245. Would my baby make it?
  246. GM's response to ZDDP reduction in oil
  247. 1998 Cadillac STS overheating
  248. steel sleeve/block
  249. water pump cover gasket
  250. p0300