: 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. Which PCM??
  2. Fuel Injector O-Rings- Where go?
  3. air in cooling system
  4. Best oil and spark plugs for the northstar 4.6L
  5. Enginge doesn't crank
  6. Help!! Engine idling with hiccups
  7. Tach
  8. the day has come: headgasket
  9. '99 Seville STS
  10. What are the differences between 99> and 00< motors?
  11. Why do these motors break rods?
  12. pretty betty deville
  13. how reliable is northstars limp mode
  14. 1999 deville almost overheating
  15. 3.71 ever better with smaller wheels?
  16. Refrigerant pressure
  17. Minor Coolant Leak
  18. 93 sts misfires, stalls, very rough idle, looking for cause
  19. Any thoughts? Code P1350 p1375
  20. Injector spec for a Y2000 N*
  21. oil cooler
  22. TPS issue: Codes P0122, P1122. Help!
  23. Need Help Installing Air Filter ?
  24. 2002 Deville coolant leak
  25. Blew the head gaskets replacing the motor
  26. 1997 deville stalling at idle
  27. bad headgasket
  28. N* running Hot, Real Hot
  29. 99 deville oil pump
  30. 2001 Northstar AIR Valve
  31. Hydraulic valve-lash adjustor evaluation?
  32. 99 deville - RFA U1000 Help
  33. 91 GMC Sierra, with a Northstar?
  34. 96 96 Northstar Noise and Oil light issue With Video
  35. Speedomoter Reads wrong
  36. 2001 Deville Falls Dead
  37. 98 sls overheating
  38. EVAP Purge Solenoid
  39. P0171, P0174 After replaced Plenum
  40. 97 deville overheating??
  41. Batteries, voltage, power, and Optima
  42. Intake Manifold Removal Snag
  43. Smoke
  44. Come for a vacation while your HG's are replaced
  45. Exhaust manifold swap?
  46. Temp Indicator Question!
  47. Does Anyone Have Any Ideas???
  48. 2001 deville misfire
  49. '98 heads and cams on a 2000 block
  50. Fuel Rail / Fuel Injector Removal
  51. No Spark
  52. Puffs of smoke while revving in park
  53. Warping the Heads???
  54. A/c Discharge Hose
  55. Northstar Valve seals?
  56. Main studs?
  57. Notice of price increase on HG replacement
  58. Mystery Vacuum Hose
  59. Bad Thermostats or blown Head Gasket??? Help
  60. timeserts
  61. Northstar Engine belt
  62. Question about Time Serts?
  63. Iridium Spar Plugs
  64. Stock crank HP?
  65. How much better are the 00+ headgaskets.
  66. 97 ELDARADO w/ blown H/G
  67. allante 9 engine swap to a y engine
  68. Weird transmission behavior - any ideas?
  69. 3" Exhaust all the way back?
  70. FWD Sump swap for RWD?
  71. Early engine number needed
  72. Low oil pressure enigine stop no start
  73. Need Motor Mount R&R procedure in Tech Tips
  74. Crankshaft Position Sensor
  75. 2002 Eldog
  76. changing starter on 1998 deville--have you done it?
  77. 01 STS - Engine cutting out on accel
  78. Ram Air set-up on a 95 STS
  79. NorthStar painting touch up?
  80. Camchain timing
  81. 03 front (left) motor mount help
  82. Oil filter IArea
  83. I may need all forum members help, especially those who have ordered the stud kits.
  84. Do NS engines have an "air regulator"?
  85. Injector Alternatives
  86. Best year for a NorthStar??
  87. How to remove oil filter adapter???
  88. 95 N* intake issue
  89. How to lock flywheel without $150 tool?
  90. 2001 Deville DTS PO300 Random Misfires
  91. Cadillac STS Coolant, service stability system...
  92. anyone ever use Engine Ice Hi-Performance Coolant
  93. 1994 cadillac sts coolant loss
  94. What size of Time-Sert I have to buy ?
  95. 96 Eldo ETC I found the ABS computer cover...how do I get in it?? Do I force it?
  96. 96 Eldo engine sputters and stalls. P0300 and P1380 Engine Misfire.
  97. 01 STS Water pump grumbling noise
  98. Replacement Engine
  99. Coolant loss?
  100. what is the difference between the concourse and regular?
  101. '97 DeVille SES but no current codes?
  102. 95 sts hard shifting/chugging trans?
  103. combustion gas test turned yellow
  104. Northstar Died? no vacuum, no compression on cyl 6.
  105. Myrtle Beach Repair Shop
  106. High oil pressure
  107. Transmission help
  108. P0621
  109. 96 Seville AC system
  110. air box
  111. Engine almost stalls
  112. Help needed before I break something...
  113. Lean Cruise Tune
  114. 95 seville died and wont start
  115. would bad hg's cause the lower radiator hose not to get warm??
  116. Help..Which is #2 cylinder and other question
  117. cam sensor trigger
  118. getting p0741 code please help!!
  119. need help
  120. anyone know what this writing can mean?
  121. Primary timing chain sprocket wear?
  122. Still no short run power
  123. 96 concours crank prob
  124. On Vacation, just a bit of fun street racing....
  125. What is Normal Valve Train Noise?
  126. Fpr
  127. Need urgent help with spark plug wires
  128. PCM codes P0138 and P1139
  129. could this be a hg issue?
  130. barely running Northstar
  131. slightly overheating and coolant leak
  132. Help with TCC replacement parts list
  133. radiator fans not cutting on
  134. saying goodbye
  135. Transmission problems after HG fixed!!!
  136. 1996 STS Engine seized again what could be wrong?
  137. is there supposed to be something in the bottom radiator hoes?
  138. Bad head gasket without any symptoms???
  139. Crank Pulley removal/install
  140. how to check if the headgasket is in good shape before buying?
  141. newb question about tune-ups
  142. 1999 DeVille Coolant leak
  143. Coolant C/O Question
  144. HP rating from a sticker
  145. shelby northstar
  146. Wierd shaped bolt holding in IAC
  147. Check out my Headgasket Job in the car!!!!
  148. Crossover Manifold, Pipe Gasket Part Number
  149. Intake Manifold Cracked at Bolt Heads
  150. For all of us with the fluxuating speedometer / intermittent cruise control
  151. Transmission Strengths/Weaknesses
  152. looking for head gasket repair in tx
  153. Different Headgasket Question
  154. What is the difference between VIN 9 and VIN Y 4.6L Northstars ?
  155. I need to find someone closer than Canada to do my headgaskets !!
  156. Sold one of my '97 to my best friend, now it won't start
  157. 2001 STS vac leak at intake
  158. Overheats less in 3
  159. TERRIBLE Gas mileage "help"
  160. damm am i hard headed...over heating still
  161. still overheating need help...
  162. Found Coolant in the Valley. What could it be???
  163. Difficulty level on swapping a N* 4.6?
  164. Help with engine removal for STS
  165. Can 97 N* lifters be disassembled?
  166. front motor mount
  167. A/C delete pulley
  168. coolant leak
  169. Overpressurize relief valve boot
  170. 97 deville blown head gasket question
  171. The best preventative maintenance for my 97 N*?
  172. Service Stability System
  173. duramax1980
  174. 98 NS Brackets
  175. Intake Manifold Removal, '97 SLS
  176. Northstar Bracket
  177. my 1st post transmission problems i think
  178. Priming the oil pump on a northstar engine
  179. 2000 STS, N*interchangibility?
  180. Trying to find Intake Manifold Spacer
  181. PCM wiring without a complete car harness
  182. 99 ETC Weak hot restart?
  183. deville 2000 HG ???
  184. DHS would stall upon starting... would not idle
  185. Why Check the Oil When Hot?
  186. very little coolant circulation...i hope its not a head gasket
  187. '99 STS Oil Smell?
  188. Any good Northstar Mechanics in SoCal
  189. radiator drain valve
  190. New Studs to incorporate alignment pins
  191. 1997 Power Steering Pump Questions
  192. 2000 N* Head Gasket probability
  193. 00' STS N* Conversion ???
  194. 99 Deville/Headgasket Issue
  195. Misfire PC0300 Code
  196. Code P0741...Really confused.....Need help!!!
  197. Finally tore the motor apart
  198. 1997 sts stalled, Won't start
  199. HARD loud knock @ acceleration. help
  200. 93 Northstar Dies randomly. HELP!
  201. 95 SLS throttle body vacuum plug
  202. 2006 DTS engine issue
  203. 97 northstar balancer removal
  204. Advice on Northstar Transmission???
  205. oil in the antifreeze & overheating
  206. HG blown 375 days after a $3500 repair
  207. Northstar Coil Bank
  208. Engine wiring harness removal
  209. 97 seville sls coolant loss
  210. 98 deville engine question
  211. STS Blowing Out Oil But From WHERE?????
  212. '93 STS Oil cooler
  213. What kind of seal installer to use?
  214. Northstar head gasket replacement with warranty, Louisville KY - 1500 + parts
  215. how easy is changing the thermostat yourself
  216. Low speed stall
  217. Coolant Issue "00 STS"
  218. failed state inspection because of p0507
  219. Alternator questions....
  220. Bars Leaks Liquid Copper?
  221. which of these codes will cause my service engine light to be on?
  222. 97 Deville oil pan leak
  223. Please Help with long cranking time
  224. high idle
  225. Aftermarket Intake for '99 DeVille base model
  226. 02 Deville rough idle & codes
  227. 1998 Eldorado Head Gasket - 2nd time in 375-days
  228. Started to hear an intermittent grinding noise
  229. $788 To fix P0410 Code
  230. Car Stalled, won't restart
  231. Smell Coolant after Driving??
  232. 1994 STS quit in driveway, seems battery went dead.
  233. 2000 seville sts misfire
  234. Idle Air Control Valve (IAC)
  235. 94 sts intake cover gasket
  236. HG Budget for 97 STS
  237. Help.. 2000 dts tranny blown
  238. 1999 Seville SLS hard start P1350/P1375
  239. Crap!!! Coolant leak! what do I do!?!?!?
  240. 97 Northstar Oil leak
  241. 94 Eldorado Idle problem
  242. Best service manual (rebuilding)
  243. low oil pressure indictator
  244. Any idea what I should pay to get the evap solenoid replaced ?
  245. Thinking of rebuilding motor... questions..
  246. 2001 Deville getting hot
  247. Oil pressure
  248. Cooling system tablets after HG job
  249. HG Jobs for all, anywhere in Canada or USA in my new shop
  250. where to get headgasket job done?