: Northstar Engines and System Technical Discussion



Pages : 1 2 3 4 [5] 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

  1. Torque Converter Whine
  2. PCM and engine switching
  3. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  4. timeserts
  5. Northstar removal
  6. Blocks, cracks and heat
  7. Please help: 1996 deville hard starting ?
  8. 2000 Deville using oil
  9. 2003 Deville engine start problem
  10. What exactly is a "base model" Deville ?
  11. need to replace flywheel
  12. Service engine light
  13. Possible to run northstar on an engine stand or outside of the car?
  14. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  15. A few codes to clear up (02 Deville)
  16. Northstar Camshaft Wear - Common? Cause?
  17. My 98 Deville N* HG repair adventure !!
  18. northstar engine several issues--need major help
  19. Water pump removal
  20. Northstar coolant leak
  21. More Northstar repair services......ENJOY
  22. Shell Rimula R6 ME 5W30
  23. Camshaft pulley removal
  24. P0300 Code goes off at high rpm.
  25. Turbo'ed 98-04 STS N*
  26. 99' cadillac head gasket problems
  27. Fuel Injector resistance 1994 Northstar motor
  28. Northstar Main Studs-
  29. $575 99 Seville project Car overheating
  30. My Little Northstar engine Project
  31. Trans question p0748 after trans repaired by rebuilder
  32. 1994 Deville Concours PCM Replacement
  33. 94 Deville Concours PCM Codes P041 and P119
  34. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  35. prospective owner with HG question
  36. tcc solenoid need help asap
  37. egr blockoff
  38. 01 eldorado ESC "hard" starting and once wouldn't start
  39. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  40. Direct Injection - Technology Question
  41. Bought the '97 etc replacement
  42. Advice from some repair guys on cleaning processes
  43. 94 STS head gasket question
  44. Doesn't seem to be the head gasket but still overheats
  45. Looking for HG Repair Shop in Southeast US
  46. evap solonoid
  47. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  48. 1995 elder northstar cooling
  49. how to change camshaft position sensor on 1997 sts
  50. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  51. 1994 SLS Northstar running rich and stalling
  52. Front seal is leaking
  53. Thorttle body problem and code p2135
  54. Ignition drop-outs
  55. L37, ld8, l47 & lx5
  56. My 98 Deville with straight pipes... what do you guys think?
  57. hg repairs
  58. Wierd Temperature spikes 02 deville
  59. There was a thread or sticky that was all about engine oild and dino or conventional
  60. Oil pump prime
  61. Motor Mount project
  62. Hello Everyone, I need help with getting an engine......
  63. P0304 Misfire cylinder 4
  64. N* picky about motor oil?
  65. Timing chain seems loose on a 4.6L Deville.
  66. 99 deville fans just stop both of them
  67. Replacing a TPS in a 99 Deville?
  68. 2000 Deville Idle Relearn
  69. Polishing Cam lobes?
  70. Northstar Tuneup
  71. Felpro intake manifold gaskets
  72. PCM Codes P0171 and P0174
  73. 100 Cadillac head gasket repairs completed
  74. NorthStar Engine Block Crack Have you had one What year and how did it crack
  75. 4.6 N* Crank shaft / oil pump question
  76. hard starting 1997 sts
  77. air in coolant system?
  78. more electrical gremlins
  79. No fuel pressure
  80. Photos of the CNC turning center-
  81. 98 STS White smoke on accelation
  82. Should I have my brand new, never fired 4.0 long-block studded?
  83. Found my coolant leak
  84. Oil pump seal/oring
  85. Looking for a SPECIFIC N* Removal Guide
  86. Remote start and push button ignition
  87. Consequences of driving with failed HG
  88. How to space piston rings
  89. Cam journal caps broke
  90. Should I replace PCM? Need 2nd & 3rd opinions
  91. New owner of 1997 Eldorado, many questions
  92. N* To pull or not to pull, A/C is the question.
  93. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  94. Northstar PCM Tuning
  95. Cross over gaskets ?
  96. Smells like exhaust in antifreeze again............... ?
  97. Disabling air injection system in 2002 engine?
  98. Couple of problems with my 94 Seville.
  99. 1994 cadillac seville Spark plug change
  100. Bad head gaskets or user error?
  101. northstar pre-trip opinion
  102. Source for engine internal parts?
  103. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  104. If Engine has been Studed can you Remove the heads and put the heads back with in car
  105. So where is my oil level sensor?
  106. Curious. . .crankshaft position sensors, are they reversable?
  107. Bad mileage
  108. Taking Pre-Orders for bottom end stud kits-
  109. Any good Northstar shops near Maryland?
  110. Have code P071 & P046
  111. Cost of DIY Headgaskets/studs?
  112. Ceramic coated exhaust manifolds?
  113. What is the timeline for Head Gasket failure
  114. Where are the parts for this build?
  115. MAF Housing R&R
  116. ticking tapping noise in engine video attached
  117. Interesting find........
  118. proper torque-to-yield on 99 sts
  119. Northstar 4.6 bottom end
  120. 1996 ETC Code nightmares p13
  121. 2000 STS Half-case seal gasket P/N
  122. Looks like an early factory "new" create engine
  123. Northstar Shake
  124. 5/16 course Head Bolts?
  125. Time sert removal
  126. tcc solenoid
  127. Just got exhaust work done and now I'm getting some codes... Advice? 2002 DTS
  128. Question regarding slight motor mount/tranny thump
  129. 85 Northstar head gasket jobs completed 85 Cadillacs saved!
  130. Looking for a shop in GA that uses Studs for HG repair
  131. Help with Tune Up Northstar 4.6
  132. Disassembling my first N*
  133. bad ground the route of all evil ??
  134. Mysterious loss of coolant / 7000 miles without a problem since new studs & gaskets..
  135. Engine swap question
  136. New Guy to Northstar and their General Maintaince
  137. Torque Converter Shaft
  138. Painting engine cover and valve cover/s
  139. 1996 Cadillac Seville SLS - Replacing water pump belt HELP!
  140. Still getting Missfire-New AC Delco Plugs and new coil packs
  141. Removing exhaust down pipe on 99 Seville
  142. 94 Cadillac Seville SLS flooding out real bad
  143. New Member engine overheating problem...
  144. Oil Pressure...
  145. Pretty sure I have a fuel leak somewhere under the hood
  146. Engine Coolant Temperature Gauges / Cooling Fans Operation Explained
  147. Oil, cams, Northstars, and ZDDP
  148. New member, 1st caddy- low coolant level warning
  149. 2000 SLS engine oddity
  150. 4.0 rebuild
  151. Northstar swap transmission please help
  152. Best method of cleaning
  153. Crank Bolt Removal and free block/tranny
  154. Time Sert Kit Needed.
  155. Iím not Convinced it the Head Gaskets again?
  156. Code question?
  157. Out the top! First time....
  158. cam swap to 4.0l
  159. Timesert Failure
  160. Looking for a GOOD shop in/near MASS for engine install.
  161. HG For Me Too!
  162. Northstar A/C
  163. ECU TROUBLE! IMPORTANT! How to fix or replace cut wires to ecu?
  164. Northstar in a 65 Corsa
  165. crank position sensor relearn
  166. I really need help OBD TROUBLE CODES 96 STS
  167. 2007 DTS Engine noise at start up help
  168. 02 Northstar in 99 sys basically complete
  169. Other Northstar Vehicles (LD8)
  170. Noticeable drop in power in warm weather
  171. norms insert alignment kit for sale
  172. 99 STS stumbles, P1370a, P1371a, P1377a codes; At wits end with this car
  173. 2000 cadillac sts completely stumped, tried everything and new to fourm.
  174. 2006 DTS Intermittent Leakage Causing Battery to go Dead Overnight
  175. new guy with 99 eldorado etc
  176. Anyone need a Stud Kit?
  177. Question about stud kit install?
  178. Timing question
  179. 94 eldo cooling problem
  180. Rear main (probable) seal leaking... talk to "Northstar performance" or no?
  181. Convert from Dex-Cool to green antifreeze
  182. Cracked Blocks. CKP swap to 00+ blocks?
  183. '96 STS starting trouble & heat only on right side
  184. how to replace a1994 sls map sensor, code p032
  185. Can anyone comment on the differences in '06 to '10 Vin Y (LD8) engines from '05
  186. 2002 Northstar security
  187. EMERGENCY! I have an interview tomorrow and my Car (2000 Eldo) is down!
  188. 2002 4t80e tranny
  189. Internal Engine Questions!
  190. Trouble communicating with Northstar Performance.
  191. It's been asked before, but more specifically.ACD 41-OEM Sparkplugs vs Denso Iridium
  192. Who has done the Most head gasket jobs on N's
  193. New supplier for a high performance exhaust crossover pipe
  194. Who has used studs from Northstar Performance ?
  195. Northstar XV12 engine
  196. Message to all stud kit customers, past, present, and future.
  197. Lower crankcase reseal questions
  198. Best Reasonably Priced Socket Tools?
  199. 2000 Eldo front cam cover gasket replacement
  200. P1599 - Engine Stall or Near Stall Detected
  201. No longer a Cadillac owner :-(
  202. PVC valve,where are you?
  203. Replaced head gaskets and northstar performance studs with egine in car
  204. Problem solved!
  205. Greetings all, Newby here. Got a '94 Eldo Northstar w/ zero problems and...
  206. new spark plugs and radio static
  207. Northstar removal guide - feedback wanted
  208. Crankcase half leak?
  209. 05 Northstar Timing Chain Failure?
  210. another shop pulling a scam?
  211. MAF SENSOR ISSUE 2000 Cadillac Seville SLS
  212. spark plugs
  213. Is it just me or does it seem like there are a lot more bad head gaskets, esp 2000+
  214. ignition switch keeps blowing on 02 deville
  215. idle vibration and no other codes/symptoms
  216. fuel pump info please
  217. 95 seville smokes tons at idle after sitting for a year
  218. Tapping Noise
  219. Coolant temp sensor
  220. 2002 Deville Mechanics are stumped
  221. white/blue smoke
  222. Fel-Pro or OEM gaskets?
  223. change to synthetic to help oil consumption?
  224. Steel of a deal?
  225. 94 top intake cover bolts- which side up
  226. 2002 Deville completely died at 80 mph
  227. pulsating engine and trans kickdown too high
  228. P0101 and P0741 -2000 Deville
  229. Cam shaft code 99 deville ongoing project with hg repair
  230. Blown Head Gasket 00 Deville
  231. God Bless America - stud kits to ship from new USA location
  232. Any differences between N* in 98 Deville and 98 Seville?
  233. 98 Deville HG failure
  234. Minimum idle speed adjustment on 1996 throttle body
  235. My NorthStar Head Stud installation picture
  236. bad idle and shuts off
  237. Question on Northstar small cover bolts, what size wrench?
  238. 2002 Cadillac DeVille and engine skip
  239. dropping Northstar
  240. Scan Tools For The DIY
  241. engine form 97 into 99?
  242. 94 4.6 Water Pump Housing question
  243. Northstar Performance - 24 hour head gasket repair & bottom end re-seal
  244. 1998 Deville, Both Cooling Fans fail to turn on when commanded with TECH II
  245. 1998 Deville Waterpump housing cover gasket is it reall a dealer only item
  246. Radiator Flush 02 deville
  247. Cannot remove spark plugs
  248. Crankshaft Sensors
  249. Crankshaft sensor?
  250. Fixed - Map sensors keep failing on 94 NorthStar