: Northstar Engines and System Technical Discussion



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  1. Headgasket Vendor
  2. trans leak from a 4-80
  3. Loctite Red Gel REMOVAL!!!!!
  4. Service Emission System - No Acceleration
  5. Smoke
  6. 1996 Deville hard start and fuel pressure specs
  7. Doing my own head gasket
  8. 1997 cadillac deville performance?????
  9. 2005 STS with over 100k miles
  10. cadillac eldorado overheating but no oil in water
  11. 95 SLS w/ P076 Code - Trans pressure
  12. Where do you get Norms inserts?
  13. Engine heats up at idle (99 STS)
  14. Have two questions. Was looking around and found a leak.
  15. p1520 Trans Circuit
  16. Headgasket Fix for $1250
  17. Is it a head gasket?
  18. seriously clogged purge line! need help!
  19. Almost Overheating - is this Head Gasket ?
  20. Could Use Some Insight
  21. OBD Code E-119
  22. Deville Motor Swap 1997 to 1997 sts
  23. Took on my friend's LS1 *VID*
  24. 94 northstar cooling issue
  25. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  26. Time-sert kit
  27. 95 SLS Water Pump Removal Impact Wrench or Not?
  28. 2000 Deville Mechanical Issues *HELP*
  29. Can this be possible?
  30. looking for spark plugs
  31. need correct belt size to bypass ac comp on 97 concours
  32. DYI or NOT, Blown waterpump housing gasket
  33. Northstar 4.0 Aurora 97 interchangability
  34. Programmable ECU for STS 4.6L?
  35. Rough Idle Question For Ewill3rd
  36. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  37. loss of power overheating issues HELP
  38. What Anti-Freeze
  39. 50 Deville - Code = P0300 current
  40. New Owner/Member w/ n*star question
  41. P0300 - Timing Off
  42. intake gaskets
  43. Northstar 4.6 Coolant loss - but only under load
  44. 2000 deville or 1997 eldorado
  45. Northstar head gasket failures
  46. GM Top Engine Cleaner
  47. Coolent Temp
  48. Going to the track
  49. N* cylinder numbers
  50. Witnessed some component fail, what to do?
  51. Overhaeting Or Not or Maybe PLEASE HELP
  52. Non ACDelco Part?
  53. Electrical Problems With 94' Seville
  54. No HI cooling fan speed?
  55. Where to cut?? cradle bolt just spins
  56. engine ID
  57. Timing Chain Slack
  58. 2000 Deville Head gasket?
  59. 2000 Dts Front Engine Mount - Best Way To Change?
  60. coolant level deville 98
  61. Drag Race Calculator...
  62. engine swap pipe dreams
  63. Ingnition MAx Fuse burns out to stall 99 deville
  64. 98 sts what fits
  65. Northstar engine performance in my 01' DeVille DHS
  66. starter woes
  67. Intermittent spark loss on random coils 94' STS
  68. Disable the SIR
  69. Can you pull the front head with the engine in the car?
  70. Mechanics - Chicago area - Help
  71. Northstar Plenum Woes
  72. How to change pulley
  73. Engine to trans. bracket locations
  74. Is this an LT5
  75. 2001 Northstar in a 93 sts?
  76. no spark
  77. 1994 Cadillac STS
  78. Manifold or water pump causing overheating???
  79. Northstar crank sensor locations
  80. Quick engine swap question
  81. Solid Front Engine Mounts
  82. 98 deville no blower motor
  83. Still overheating
  84. Serpentine Belt
  85. couple of cooling sistem questions
  86. How many gallons Dex-Cool will I need.....
  87. oil can lite on and engine shuts down
  88. cat recomendations
  89. Therma Gasket Fixed My Head Leak
  90. Ignition Module Pin Out
  91. HG or paranoia?
  92. 2000 SLS keeps stalling
  93. another n* head gasket question
  94. Do you know what this part is?
  95. N* dissassembled engine found
  96. This Is Not a Joke
  97. My Rough Idle Story, So Far...
  98. 02 SLS running rough after pulling air box silencer
  99. 97 SLS N* Overheating quickly
  100. '95 STS Stuck in 3rd Gear
  101. 98 Deville non-functional engine cooler fan
  102. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  103. 300hp N* to a Base N*
  104. Added my 99 STS to the HeadGasket poll...
  105. ATTN: All Volant owners
  106. 93 octane + WOT = rattle?
  107. Drill Guide for Head Bolt Inserts
  108. Idle issue when cold
  109. 94 el dorado starter location
  110. 1-2 At 45 Now Instead Of 40?
  111. Northstar fuel rail redesign
  112. 95 Eldorado with disturbing sound...
  113. Deville 98 coolant
  114. Is this the beginning of the end for my STS?
  115. 1994 Deville con
  116. 01 Olds Aurora Question...
  117. Coolant overflow?
  118. Switching a 1998 Northstar with a 2005 ?
  119. What to do with my 2000 DTS?
  120. Oh
  121. Headgasket info?
  122. Blown Engine???
  123. Fuel Induction System Specs
  124. Car is over heating?
  125. '02 STS Drain Plug Issue
  126. Oil guzzling 2003 Deville Northstar V8
  127. Cracked Block, exterior, 1997 Northstar
  128. Coil Bank Problems
  129. balancer bolt
  130. 2000 DeVille Overheats
  131. sounds like harmonic balancer??
  132. Over heating
  133. MSD Plug wires
  134. Delphi/Packard vs Delco Plug Wires
  135. HG Failure, Round 2
  136. new fuel injector & upper engine cleaner
  137. Tranny Question
  138. Location of ALL o2 sensors
  139. Hey Guys
  140. 93 Eldorado Sport Coupe Vs Touring Coupe
  141. ac compressor problem???
  142. Combustion Leak Detection
  143. Po41 code set
  144. Porting the throttlebody
  145. Another 97 DeVille Overheating Issue
  146. Can '03 Seville display digital coolant temp reading?
  147. BARS Head Gasket Fix and Aux Fan control
  148. Whistling pressure relief on N* Intake Manifold???
  149. Who needs a Timesert kit- I have one!!
  150. where does this thing go (headgasket job)
  151. Hard Start
  152. any tips on removing coolant crossover?
  153. 1996 Deville Intake??
  154. Performing "block" test from Napa
  155. Service A/c and A/C compressor off
  156. draining trans fluid 4T80E
  157. no start lots of codes network ?
  158. engine swap
  159. 1993 to 1999 Cam Wear Fix
  160. 94 Eldo ETC
  161. Need diagnosis - 98 STS overheating
  162. Professional Coolant Flush
  163. 4T80-E transaxle
  164. Oil Adapter housing Problems :(
  165. Head gasket, possibly cracked block...
  166. etanol blend, what does it do to the n?
  167. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  168. Problem with my Fast Chip
  169. Is there a Northstar FAQ section?
  170. 97 sts auto radio shut off
  171. Severe engine miss at idle-dirty gas in filter
  172. How Do I Change the ignition switch
  173. Cadillac De Ville 1999 OverHeat
  174. NO START, but the battery is good
  175. STS "Limited to 90 Miles an Hour" Message
  176. 1997 STS Ghostly Noise from Vacuum Leak?
  177. 4T80E bellhousing: starter?
  178. Blown Head Gasket On A 97 Deville
  179. North Star & Transmission Issues
  180. Head Gaskets
  181. Oil Housing
  182. North Star & Transmission Issues
  183. 4t80e problems
  184. Reverse problem someone please help me please
  185. AC & Intake
  186. '99 El Dorado Trans Question 2
  187. '99 El Dorado Tranaxle Modulator Location and Replacement
  188. Compression and oil consumption
  189. Anyone sells lower temperature thermostats?
  190. 1996 Deville Trouble Codes--Help Me!
  191. Aftermarket coils
  192. 05 STS V8 pcm reprogramming?
  193. '99 El Dorado White Smoke 70 mph and up
  194. Decel Stall
  195. no crank
  196. Who wants headers?!?!
  197. replacing oil pressure sending unit
  198. Northstar intermittent heating problem
  199. Compressed Natural Gas
  200. Proper A/C Recharge Pressure Spec?
  201. Head Bolt Torque
  202. what to do with a code
  203. Need headgaskets replaced...Twin Cities, MN area...
  204. Help finding exterior ground location IC Module
  205. Ran out of gas - Now will not start
  206. Hard Starting N* And Unknown Code
  207. Just wanted to check on some codes P0171 and P0134
  208. Ignition Miss - '98 DeVille
  209. Oil Testing, laboratories, and Additives
  210. What timesert kit is this referencing?
  211. Block Test Confirms!...or ?
  212. 2000 Deville with Denso plugs
  213. VIN or other link to body stamped on block?
  214. Prevent head gasket failure
  215. 2000 DeVille Northstar Problem
  216. Previously Timeserted block?
  217. turbo charging a Northstar
  218. p1350 & p1375 codes?
  219. bad fuel economy, rough(er) idle, need help!
  220. What gets relearned after battery disconnect?
  221. idle speed control
  222. 99 Deville Hesitation during Acceleration
  223. strange noise please help
  224. What happen to my overdrive???????
  225. Northstar Overheating!!! HELP
  226. After Timesert HG Repair Service Schedule?
  227. Top engine compartment struts
  228. '01 Deville with Half case leak, any temp fixes/band-aides?
  229. crankshaft sensor location ?
  230. Anyone heard of this?
  231. Are All Xlr's The New Style Closed Deck?
  232. MAF Translator
  233. Are A & B Crankshaft Position Sensors the same sensor??
  234. How much bubbling in surge tank indicates bad head gasket?
  235. Sick Baby
  236. Jet Power Flow Mass Air Sensor
  237. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  238. O2, IAT, MAF sensor reliability on 2000 N*?
  239. Another Successful Mod (albeit potentially destructive)
  240. Questions On Rebuilding a Northstar Engine
  241. eldorado1 (and others)...my brain is failing me...help!
  242. Kent-moore Inserts, Anyone Every Use Them?
  243. 1996 Eldorado Won't Start
  244. 93 STS Northstar wont start
  245. radiator hose sucking itself in after car cools off
  246. upper trans oil cooler hose leaking
  247. What to do with these? (headgasket help)
  248. Not Again
  249. How Much Coolant?!?!
  250. 99 STS Northstar and Trans axle Problem