LT1 8L90 Transmission Installation Kit 24283284 - Chevrolet

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LT1 / 8L90 8 Speed Automatic Transmission Installation Kit Specifications(Package Part Number 24283284)Thank you for choosing Chevrolet Performance as your high performance source. Chevrolet Performance is committed toproviding proven, innovative performance technology that is truly more than just power. Chevrolet Performance parts areengineered, developed and tested to exceed your expectations for fit and function. Please refer to our catalog for the ChevroletPerformance Parts Authorized Center nearest you or visit our website at www.chevroletperformance.com.This publication provides general information on the vehicle installation of a Chevrolet Performance 8-Speed automatictransmission behind an LT1 V8 crate engine. Please read this entire publication before starting work. Also, please verify that all ofthe components listed below are in fact included in the kit.The information below is divided into the following sections: package contents, installation instructions.The transmission installation package incorporates the parts required to install the 8 speed automatic transmission to the LT1crate engine. The LT1 crate engine for this automatic transmission must use the correct engine controller kit to properly operatethe 8L90 controller. This transmission will only work using a CPP crate engine controller kit designed for usage with the 8L90.This package is assembled using brand new, premium quality components. Additional components will be required to completethe install into a vehicle.These specifications are intended as a supplement to factory service manuals. It is not the intent of these specifications to replacethe comprehensive and detailed service practices explained in the factory service manuals.Observe all safety precautions and warnings in the service manuals when installing this package in any vehicle. Wear eyeprotection and appropriate protective clothing. Support the vehicle securely with jack stands when working under or around it. Useonly the proper tools. Exercise extreme caution when working with flammable, corrosive, and hazardous liquids and materials.Some procedures require special equipment and skills. If you do not have the appropriate training, expertise, and tools to performany part of this conversion safely, this work should be done by a professional.The information contained in this publication is presented without any warranty. All the risk for its use is entirely assumed by theuser. Specific component design, mechanical procedures, and the qualifications of individual readers are beyond the control of thepublisher, and therefore the publisher disclaims all liability incurred in connection with the use of the information provided in thispublication.Chevrolet, Chevy, the Chevrolet Bow Tie Emblem, General Motors, and GM are all registered trademarks of the General MotorsCompany.TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET1OF27AUTH2397983

Kit Contents:QTYPart 123324217YOKE311589040BOLT/SCREW, torq conv811569956BOLT/SCREW f/whl112620099FLEXPLATE811515768BOLT/SCREW, transmission123228721PIPE ASM, cooler111588729BOLT/SCREW, Cooler line1. Remove the J-21366 strap from the transmission bell housing.2. Install the transmission to the vehicle.3. Install the six transmission to engine bolts (1, 2, 3, 4, 5, 6) and tighten to 58 Nm (43 lb ft).4. Connect the transmission vent hose retainer (1) to the transmission bolt.TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET2OF27AUTH2397983

5. Connect the electrical wiring harness retainers to the transmission to engine fasteners and to the transmission case.6. Install the transmission support.7. Remove the transmission jack from under the vehicle.8. Align the torque converter to flexplate.Note: Torque converter bolts are self-locking and must be replaced with NEW torque converter bolts every time the bolts areremoved.9. Complete the following steps for all torque converter bolts (1):1. Rotate the harmonic balancer center bolt clockwise ONLY, in order to align the torque converter bolt holes in the flexplatewith the starter opening in the engine block.2. Install all NEW torque converter bolts (1) and tighten to 63 Nm (46 lb ft).NOTE: Only 3 torque converter to flexplate bolts are needed. Install equally spaced 120 apart.10. Install the transmission close out plug (1).TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET3OF27AUTH2397983

11. Install the right flywheel inspection cover (2) and bolt (1). Tighten the bolt to 10 Nm (89 lb in).12. Install the right flywheel inspection cover (2) and bolt (1). Tighten the bolt to 10 Nm (89 lb in).13. Install the starter motor.TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET4OF27AUTH2397983

14. Install the starter. (2)15. Install the starter mounting bolts. (1) » Tighten 50 Nm (37 lb ft)16. Connect the electrical connector. (1)17. Battery Positive Cable (3) » Install18. Starter Solenoid Cable Nut (2) » Tighten 12 Nm (106 lb in).* Optional* Install Starter Shield (if close to exhaust)TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET5OF27AUTH2397983

19. Install the lower transmission to engine bolts (1, 2) and tighten to 58 Nm (43 lb ft).20. Install the transmission fluid cooler inlet and outlet pipe (1) to the transmission.21. Connect the wiring harness retainers and connectors to the transmission.TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET6OF27AUTH2397983

22. Range Selector Lever Cable AdjustmentNote: Adjust the automatic transmission range selector cable while the transmission and the gear selector are in the Parkposition only. Failure to do so may cause mis-adjustment.23. Set the park brake and chock the wheels.24. Verify the transmission range select lever is in the park position.25. Verify the transmission manual shift lever is in the park position.26. Check the transmission range select lever in all gear selections for proper operation.Trans Cooler Line Installation Procedure1. Position the transmission fluid cooler inlet and outlet pipe (1) on the vehicle.TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET7OF27AUTH2397983

2. Install a NEW transmission fluid cooler inlet and outlet pipe fitting seal (1).3. Install the transmission fluid cooler inlet and outlet pipe clip (4) in the range selector lever cable bracket.4. Install the transmission fluid cooler inlet and outlet pipe (3) in the transmission.5. Install the transmission fluid cooler inlet and outlet pipe bolt (2) and tighten to 22 Nm (16 lb ft).6. Check the transmission fluid level and fill if necessary.Transmission Fluid Level CheckThis procedure checks both the transmission fluid level, as well as the condition of the fluid itself. Since the transmission on thisvehicle is not equipped with a fill tube and dipstick, a tube in the bottom pan is used to set the fluid level.Caution: The transmission fluid level must be checked when the transmission fluid temperature (TFT) is between 35–45 C (95–113 F). If the TFT is not within this range, operate the vehicle or allow the fluid to cool as required. Setting the fluid level with aTFT outside this range will result in either an under or over-filled transmission. TFT 45 C under-filled, TFT 35 C over-filled. Anunder-filled transmission will cause premature component wear or damage. An over-filled transmission will cause fluid to dischargeout the vent tube, fluid foaming, or pump cavitation.TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET8OF27AUTH2397983

Note: CTS-V/LT1 Camaro, if running a track session, should have the transmission fluid level checked when the TFT is between55-65 C (131–149 F). If vehicle is equipped with a thermal bypass valve, which includes all full size and midsize trucks, the transmission fluidlevel should be checked only after the TFT has reached or exceeded an operating temperature of 90 C (194 F). Once theTFT has reached or exceeded 90 C (194 F), then turn OFF the vehicle and allow the TFT to cool back down to 35–45 C(95–113 F) before checking the fluid level as required. Reaching or exceeding an operating temperature of 90 C (194 F)opens the bypass valve and allows the cooler to fill up with fluid, which will result in a more accurate fluid level check.1. Observe the TFT using the driver information center (DIC) or a scan tool.2. Start and idle the engine.3. Depress the brake pedal and move the shift lever through each gear range. Pause for at least 3 seconds in each range. Movethe shift lever back to PARK. Ensure the engine RPM is low (500–800 RPM).4. Allow the engine to idle for at least 1 minute.5. Raise the vehicle on a hoist. The vehicle must be level, with the engine running and the shift lever in the PARK range.Caution: THE ENGINE MUST BE RUNNING when the trans oil level check plug is removed or excessive fluid loss will occur,resulting in an under-filled condition. An under-filled transmission will cause premature component wear or damage.Note: Continue to monitor the TFT. If the TFT is not within the specified values, reinstall the trans oil level check plug and repeatthe previous steps.6. Remove the transmission oil level check plug (1) from the transmission fluid pan. Allow any fluid to drain. If the fluid is flowing as a steady stream, wait until the fluid begins to drip.7. If no fluid comes out, add fluid until fluid drips out.Note: The Service Fast Learn procedure must be performed when one of the following repairs have been made to the vehicle.Failure to perform the procedure after one of the following repairs may result in poor transmission performance, as well astransmission DTCs being set:8. Approximate Fluid CapacitiesSpecificationApplicationMetricEnglishPan Removal and Filter Replacement– Approximate Capacity7.0 liters7.4 quartsOverhaul– Approximate Capacity (Transmission Volume Only)10.3 liters10.88 quartsComplete Trans System– Approximate Capacity (Including Cooler Volume)10.8 liters11.41 quarts8L90TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET9OF27AUTH2397983

FrenchCaractéristiques techniques de la trousse de pose deboîte de vitesses automatique à 8 rapports LT1 / 8L90 (numéro de pièce 24283284)Nous vous remercions d'avoir choisi Chevrolet Performance comme source de haute performance. Chevrolet Performances'est engagée à offrir une technologie de rendement éprouvée et novatrice qui est réellement beaucoup plus que de la puissance.Les pièces de Chevrolet Performance ont été conçues, élaborées et mises à l'essai de manière à dépasser vos attentesde réglage précis et de fonction. Veuillez vous reporter à notre catalogue pour connaître le centre Chevrolet Performance Partsautorisé le plus près de chez vous ou visitez notre site Web à www.chevroletperformance.com.Le présent document fournit des renseignements généraux sur la pose sur véhicule de la boîte de vitesses automatiqueà 8 rapports Chevrolet Performance derrière un moteur en caisse V8 LT1. Veuillez lire en entier la présente publication avantde commencer à travailler. De plus, veuillez vérifier que tous les composants nommés ci-dessous sont inclus dans l'ensemble.Les renseignements ci-dessous sont divisés selon les sections suivantes : contenu de l'ensemble, instructions de pose.L'ensemble de pose de boîte de vitesses comprend les pièces requises pour poser la boîte de vitesses automatiqueà 8 rapports sur le moteur en caisse LT1. Le moteur en caisse LT1 pour cette boîte de vitesses automatique doit utiliser la troussede contrôleur de moteur appropriée pour faire fonctionner correctement le contrôleur 8L90. Cette boîte de vitesses fonctionneuniquement avec une trousse de contrôleur de moteur en caisse CPP conçue pour être utilisée avec le 8L90.Cet ensemble est assemblé avec des composants neufs de première qualité. Des composants additionnels sont nécessairespour effectuer la pose dans un véhicule.Ces caractéristiques techniques constituent un supplément aux manuels d'entretien d'usine. Ces caractéristiques techniquesne sont pas destinées à remplacer les pratiques d'entretien complètes et détaillées expliquées dans les manuels de réparationd'usine.Observer toutes les précautions et tous les avertissements en matière de sécurité présentés dans le Manuel d'entretienau moment d'installer ce groupe dans n'importe quel véhicule. Porter un protecteur pour la vue et des vêtements de protectionappropriés. Soutenir fermement le véhicule avec des chandelles au moment de travailler sous le véhicule ou autour de celui-ci.Utiliser seulement les outils appropriés. Faire preuve d'extrême prudence lors de travaux avec des liquides ou des matériauxinflammables, corrosifs ou dangereux. Certaines procédures nécessitent l'utilisation d'un équipement spécial et des habiletésparticulières. Si vous ne possédez pas la formation, l'expertise et les outils nécessaires pour effectuer toute partie decette conversion en toute sécurité, ce travail devrait être réalisé par un professionnel.Les renseignements contenus dans cette publication sont présentés sans aucune garantie. Tout risque encouru pendantl'utilisation de cette publication est entièrement assumé par l'utilisateur. La conception de composant spécial, les procéduresmécaniques et les qualifications de chaque lecteur sont hors du contrôle de l'éditeur et c'est pourquoi il décline touteresponsabilité afférente en lien avec l'utilisation des renseignements fournis dans cette publication.Chevrolet, Chevy, l'emblème Chevrolet, General Motors et GM sont des marques déposées de General Motors.TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET10OF27AUTH2397983

FrenchContenu de la trousse :QTÉNuméro de FLET123324217FOURCHE311589040BOULON/VIS, convertisseur de couple811569956BOULON/VIS, volant moteur112620099TÔLE D'ENTRAÎNEMENT811515768BOULON/VIS, boîte de vitesses123228721ENS. TUYAU, refroidisseur111588729BOULON/VIS, conduite de refroidisseur1. Déposer la courroie J-21366 du carter d'embrayage de boîte de vitesses.2. Poser la boîte de vitesses sur le véhicule.3. Poser les six boulons fixant la boîte de vitesses au moteur (1, 2, 3, 4, 5, 6) et serrer à 58 Nm (43 lb pi).4. Raccorder le dispositif de retenue (1) de flexible d'évent de boîte de vitesses aux boulons de boîte de vitesses.TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET11OF27AUTH2397983

French5. Raccorder les dispositifs de retenue de faisceau de câbles électrique aux fixations boîte de vitesses/moteur etau carter de boîte de vitesses.6. Poser le support de boîte de vitesses.7. Retirer le cric de boîte de vitesses de sous le moteur.8. Aligner le convertisseur de couple à la tôle d'entraînement.Remarque : Les boulons du convertisseur de couple sont autobloquants et doivent être remplacés par des boulonsde convertisseur de couple NEUFS chaque fois que les boulons sont retirés.9. Suivre les étapes ci-dessous pour tous les boulons (1) de convertisseur de couple :1. Faire tourner le boulon central d'amortisseur de vibrations de torsion dans le sens horaire UNIQUEMENT afin d'aligner lestrous de boulon de convertisseur de couple dans la tôle d'entraînement avec l'ouverture de démarreur dans le bloc-moteur.2. Poser tous les boulons (1) de convertisseur de couple NEUFS et serrer à 63 Nm (46 lb pi).REMARQUE : Seuls trois boulons fixant le convertisseur de couple à la tôle d'entraînement sont requis.Poser les boulons à intervalles égaux de 120 .10. Poser le bouchon de fermeture (1) de boîte de vitesses.TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET12OF27AUTH2397983

French11. Poser le couvercle de visite (2) de volant moteur droit et le boulon (1). Serrer le boulon à 10 Nm (89 lb po).12. Poser le couvercle de visite (2) de volant moteur droit et le boulon (1). Serrer le boulon à 10 Nm (89 lb po).13. Poser le démarreur.TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET13OF27AUTH2397983

French14. Poser le démarreur (2).15. Poser les boulons de montage (1) du démarreur. » Serrer à 50 Nm (37 lb pi)16. Brancher le connecteur électrique. (1)17. Câble positif de la batterie (3) » Pose18. Écrou de câble de solénoïde de démarreur (2) » Serrer à 12 Nm (106 lb po).*Facultatif* Poser l'écran de démarreur (si près de l'échappement)TITLE8-Speed Transmission Install KitALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.IR 16AU16DATE16AU16PART NO.24283285REVISIONInitial Release - Rusty SampselSHEET14OF27AUTH2397983

French19. P

crate engine. The LT1 crate engine for this automatic transmission must use the correct engine controller kit to properly operate the 8L90 controller. This transmission will only work using a CPP crate engine controller kit designed for usage with the 8L90. This package is assembled using brand new, premium quality components.