: Northstar Engines and System Technical Discussion



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  1. Suggestions: Alternator Repair on water cooled 99 Cadillac Seville Alternator
  2. Hot hot hot then not???
  3. intake leak at rear of manifold
  4. coolant leaks out end of new hose while clamped on pump and radiator.......?
  5. '99 DeVille, probably blown head gasket
  6. Ball bearings, pulleys, and grease
  7. Oil Question
  8. Upgrades to the Stud Kits -
  9. Aurora northstar based 4.0... computer issues... help!
  10. piston slap now!? come onnnn!?!?!?
  11. I have officially left the N* fold...
  12. Ok i did it
  13. Dex or Age? Your Thoughts?
  14. Northstar well designed? Are you on crack???
  15. interesting stuff..........
  16. Good Mechanic in Dallas, TX for HG job?
  17. R&R of heater pipes
  18. Incredible discounts- head gasket work, engines, you name it -
  19. For anyone on the fence as far as fixing their Northstar engine, read this.....
  20. Will this car blow another head gasket?
  21. Transmission transplant! Is it possible?!?
  22. Strange sound and stalling of 99 sts
  23. 1999 etc
  24. i would like to know how should a healthy northstar sound?
  25. ok still have stumble, error codes, between 900-1500 rpm
  26. It's official. Northstar Perfomance is moving.
  27. 2000 Eldorado - White Smoke from front passenger side
  28. More Power
  29. HG shop in NE Ohio that uses Jakes Studs just found it heres the info for anyone
  30. '97 Eldorado Starter issues.. Need help.
  31. Drill for studs with engine in the car
  32. New member-somewhat common question
  33. Rough dimensions and weight of a complete Northstar?
  34. Total cost of Head Gasket Repair
  35. Some bugs that appear to be electrical in nature...
  36. 3.5 from a 2002 Aurora
  37. Engine/Tranny mounts
  38. Cracked Block
  39. If you are in New England, and you have blown head gaskets, read this.....
  40. How many have really failed
  41. Oil Pan gasket help?
  42. Drilling holes in engine for Jakes Kit. . .best tool?
  43. p0300 ses flashing
  44. Zonie77
  45. Head issues. Dealer says i need new engine!! HELP!!
  46. little green hoses on crossover????
  47. P23 code and intermittent engine skip
  48. Most effective ways to clean head and deck surfaces for head gasket change?
  49. Losing Coolant
  50. acceptable coolant usage?
  51. Northstar performance stud kit-how long does it take to get?
  52. Should I use this engine or not?
  53. Question: Is it possible to drill and tap a hole for the torque strut on a 96 north*?
  54. Concerns in the middle of headgasket repair!
  55. "Service Airbag System" Message
  56. Block Or New Engine
  57. will a 94 water pump cover fit on a 95?
  58. CRACKED block .2000 DTS rarity now reality
  59. oxygen sensor removal
  60. 2001 STS P0307. Stalls and hesitates under light acceleration
  61. fuel rail ground
  62. Hmmm. . .Interesting read. Running Compression Test
  63. To Hone or not to Hone
  64. Deville Warped Block can this be fixed?????
  65. Why would smoke be filling the valve covers?
  66. Doing the studs and head gaskets , would like suggestions for locking cams & crank
  67. 98 cadillac eldorado 4.6 engine questions
  68. A few northstar ??
  69. Cant remove EGR
  70. HELP it wont start!
  71. changes made in 2004
  72. 95 PCM question
  73. Power inconsistancy, acceleration, normal? More than one car..
  74. New bearings, new rings, 1000 miles and still burning oil
  75. '97 etc flooded after hot soak
  76. 2000 ETC, vin 9, will seville/deville vin 9 motors fit?
  77. Ac charging problems
  78. 1999 sts
  79. Strange PC 0741 code situation - '97 STS
  80. 8000+ rpm
  81. Steel Seal
  82. baby northstar question
  83. month and day of midyear headbolt change in 2003
  84. Bank 1/2004 Deville DTS
  85. Fuel Injector problem
  86. 2000-01 cam problem
  87. Battery drain
  88. 1998 DeVille Overheating
  89. Temperature Gauge Dampening
  90. 2000 Deville Overheated losing coolant.
  91. Temp gauge dampened? Here's the answer:
  92. 222 degrees B4 fans?
  93. question about new rebuild on 99 sts
  94. 1999 Concours
  95. Running tad bit cool - thermostat or ect sensor?
  96. What else is possibly left???
  97. Yahoo!! My car runs!! :-)
  98. 2001 Deville Stalls/rough idle
  99. Can you replace the HG with the engine in the car?
  100. just lost my oil pressure
  101. EGR valve
  102. stop engine, low oil pressure warning. oil full
  103. Perplexed. Can't figure out what this 1 connector goes to
  104. Blown Northstar V8
  105. Blower motor removal
  106. Recommended Serpentine Belt?
  107. Anyone know how to check an ac compressor
  108. Where to route the starter cable?
  109. Acronyms
  110. Runing Hotter than Usual
  111. Installing engine top dead center
  112. is there any place around philly that repairs northstar head gaskets?
  113. Down Pipe Should be Ported
  114. In a bind and need some info
  115. Notice to all Northstar Technicans; including the DIY crowd-
  116. Question for anyone who has used one of Jake's stud kits....
  117. Alas.....another head gasket has given up the ghost...
  118. How hard is it to convert a 3.11 transaxel to 3.73?
  119. 2001 Deville 224,000 mi.
  120. screwed up big time - need a coolant crossover
  121. Would you invest; if Northstar Performance offered investment plans?
  122. Pics of coolant test of exhaust gas/head gasket leaking?
  123. jakes studs
  124. thermostat housing drips
  125. 2000 Eldorado ETC 4.6L Head Gasket Questions
  126. Collaboration of ideas about Superchargers on FWD Northstar
  127. New engine rebuilt breakin procedure
  128. 95 Eldorado with Jake's studs
  129. Northstar tranny pan bolt.
  130. Head Gasket Gurus, In here!
  131. head bolt torque info?????
  132. Drivability Problems 94 Eldorado
  133. Cadillac Specialties, Good work???
  134. HG repair in DC, MD or VA???
  135. bolt pattern differences between L37 and LD8?
  136. informative.......
  137. Dry Film Lubricants.
  138. Temp gauge position, what is the basis for this?
  139. Mustang 4.6L Injectors on Northstars?
  140. oil pump spacer driver
  141. 2000 and up N* engines?
  142. 94 Eldorado 4T80E No Forward Gears After Shift Solenoid Change
  143. anyone MARRYYLANNDD??????
  144. Better Mileage out of LD8 Northstar
  145. Service Emissions system message
  146. 2002 Deville Multiple codes, rough idle, surging at high RPM
  147. Interesting oil info
  148. Fuel Filter location 95 deville concours 4.6
  149. 95 Deville Concours 4.6 bucking while in gear and AC compressor on
  150. threading for norms inserts
  151. 95 deville 4.6 northstar ISC clicking
  152. Setting timing on 1999 STS after HG repair
  153. 96 Deville Problems
  154. Whats the deal with my o2 sensors
  155. 2000STS oil pan problems
  156. oil smells like gas low oil pressure
  157. Idles strangely when turning heat/ blower switch "on"
  158. OBDii USB scanner
  159. Last post, race car blew up
  160. Long Hard Starts
  161. 2000 Deville DTS upgrades
  162. What the heck is it?
  163. Purge line???
  164. Ideal IAT Sensor Conditions
  165. overheating issue
  166. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  167. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  168. Supercharger like whistle?
  169. 98 deville BlownHead Gasket???
  170. Cooling question I know Another one
  171. chocolate
  172. Damm leaking half seal, what about lucas?
  173. 2000 Cadillac Deville Speedo Problems!
  174. water pump pulley
  175. 01 deville just bought a lemon?
  176. 1999 STS V8 Northstar Engine Misfire / Smoke
  177. 99 Deville starting idle issue
  178. P1376, P0340, I'm desperate...
  179. A rep from General Motors is coming to my shop tomorrow!
  180. Reluctor wheel clocking?
  181. Combo electrical/fuel problem in race car
  182. head dowels
  183. peanut butter in coolant resevoir
  184. 96 STS P0171 & P0174 Code
  185. Battery or alternator
  186. I think my HGs are gone
  187. Please help need to finish tomorrow i am begging
  188. Have to swap engine and tranny in 2000 DHS
  189. I need two exhaust cams and 8 buckets for a 99
  190. 01 DTS running lean codes 0171, 0174 what to look for?
  191. 2000 deville dts rip
  192. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  193. Is power steering and transmission fluid the same in a 94 seville
  194. Customer Paranoia with temp guage - need input from other members-
  195. oil in head bolt hole
  196. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  197. 5k rpm limit in 1st gear?
  198. Do I need a new crankshaft? :( pic inside
  199. Painting valve covers
  200. Another CRACKED 2000 block
  201. curious why,PCV vents different?
  202. Emissions Test: It's ok to burn oil eh?
  203. New owner of 99 Deville, avg. temp question
  204. Ac delco pf61e oil filter
  205. Bearings
  206. 94 and 95 intake different?
  207. Had Coolant Flush/Fill done at shop, - now a question
  208. 1994 seville STALLING.
  209. Drilling out the block
  210. Why won't tranny separate
  211. Cylinder head torque?
  212. Victor Reinz Headgasket kits
  213. slight engine miss
  214. Gapless Piston Rings
  215. Please Help!!! I am baffeled
  216. Anyone need a 00+ motor?
  217. Got gaskets?
  218. Head bolt reuse? thread sealer
  219. What - 99 STS No EGR passage ways?
  220. Northstar 8-6-4 Technology, Did it Ever Exist?
  221. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  222. Having trouble locating o2 sensors
  223. Oil Pressure Light + Warning
  224. Broken bell housing
  225. Burping coolant system????
  226. How much coolant
  227. Check oil level but oil level is good?
  228. NEED HELP TODAY, Can't get tranny out
  229. Mysterious tube coming out of transmission, currently plugged.
  230. 99 ELDO ETC...PLZ HELP ME before I push this car into the river!!!
  231. Wanted!! NORTHSTAR specialist in /near Lancaster, Pa
  232. Guidance on Oil Dye and where the leak is
  233. Engine removal - can't get engine separated from transmission
  234. Northstar Swaps - What years are interchangeable and the differences
  235. Cracked Block? Thought it was rare
  236. 96 deville cant find ect sensor
  237. Someone else loves your ignition coils.......
  238. Ticking noises
  239. Northstar interchange
  240. Starter Replacement - It's not as bad as everyone thinks!
  241. More engines......NEED HELP DECODING
  242. ABS/Traction control light on (02 deville)
  243. 98 Seville STS running rough
  244. 00 N* VIN Y cyl 2 and 7 misfire or spark problems
  245. Renting engine mount?
  246. Here is an interesting problem!
  247. 2002 engine into 1998 model? Or swap body parts instead?
  248. Northstar headgasket job did I f up?
  249. High Idle and Thumping Breaks after Fuel Pump Replacement
  250. Need to confirm rear seal, please look