AEM CAS Trigger Disc 308760 User Manual
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2010 ADVANCED ENGINE MANAGEMENT INC. 2205 126th Street Unit A Hawthorne, CA. 90250 Phone: (310) 484-2322 Fax: (310) 484-0152 http://www.aempower.com Instruction Part Number: 10-6600-A supplement Page 1 of 9 Installation Instructions for: Crank Angle Sensor replacement for EMS P/N 30-6600 89-94 Nissan 240SX S13 KA24DE 91-94 Nissan Sentra B13 GA16DE 90-94 Nissan Pulsar GTi-R N14 SR20DET 91-93 Nissan NX B13 GA16DE 93-94 Nissan Altima U13 KA24DE 89-95 Nissan Bluebird U13 SR20DET 91-93 Infiniti G20 P10 SR20DE WARNING: ! This installation is not for the tuning novice nor the PC illiterate! Use this system with EXTREME caution! The AEM EMS System allows for total flexibility in engine tuning. Misuse of this product can destroy your engine! If you are not well versed in engine dynamics and the tuning of management systems or are not PC literate, please do not attempt the installation. Refer the installation to a AEM trained tuning shop or call 800-423-0046 for technical assistance. You should also visit the AEM EMS Tech Forum at http://www.aempower.com NOTE: AEM holds no responsibility for any engine damage that results from the misuse of this product! This product is legal in California for racing vehicles only and should never be used on public highways.
Page 2 of 9 **Cam / Crank Angle Sensor: AEM trigger disc MUST be used Discrepancies have been observed in the OEM cam/crank angle trigger discs between model years and/or trim levels; to avoid confusion the Series 2 EMS does not support the OEM Nissan trigger pattern. A replacement trigger disc is now included with every Nissan EMS and must be installed before attempting to start the engine. The following installation was performed on a stock Nissan S13 240SX so your installation may require more or less removal of parts, but the procedure for the CAS disc change should be identical. Tools/parts required: Replacement trigger disc for Nissan GA/KA/SR cam angle sensor (AEM P/N 35-8760, supplied with 30-6600, 30-6601, 30-6602, 30-6610, 30-6611, 30-6620, and 30-6623 EMS) 8mm and 10mm socket with ratchet and extension 10mm combination wrench Medium pry bar ¼” flat screwdriver No. 2 Phillips screwdriver No. 1 Phillips screwdriver Red threadlocker WARNING: Failure to perform the following procedure correctly could result in permanent damage to mechanical and electrical sensor components, which could result in engine damage. Please read all instructions carefully before attempting this procedure, and do not attempt the install if you feel you may not be able to perform all operations safely without damaging components. AEM will not be held liable for any damage that occurs as a result of these instructions.
Page 3 of 9 Instructions with photos on the following pages: Remove the MAF sensor assembly as shown in figure 1. The arrow points to a mount that may or may not be present on your vehicle which was removed using a 10mm combination wrench and 10mm socket. The hose clamp is removed with the ¼” flat screwdriver. Figure 1: MAF assembly removal Figure 2 shows the location of the CAS sensor (inside the distributor assembly). Figure 2: Location of CAS sensor (underneath distributor cap)
Page 4 of 9 Remove the plastic cover as shown in figure 3. Figure 3: Plastic wire cover removed Remove the back part of the outer plastic cover on the distributor and remove the distributor cap as shown in figure 4. Figure 4: Plastic wire cover removed and distributor cap removed
Page 5 of 9 Remove the distributor rotor with carefully with the pry bar as shown in figure 5, taking note of how the rotor was oriented on the shaft. (The photo shows a different distributor that has the same type of rotor installation) Figure 5: Distributor rotor removed with pry bar Remove the internal plastic cover shown in figure 6. Figure 6: Internal plastic cover to be removed
Page 6 of 9 Remove the internal CAS disc cover shown in figure 7 with a #2 Phillips screwdriver. Figure 7: Removal of internal CAS disc cover Remove the screw holding the CAS disc and collar as shown in figure 8 with the #2 Phillips screwdriver (Make sure screwdriver is firmly planted since this screw will be very tight). Figure 8: Original CAS disc removal
Page 7 of 9 Figure 9 shows the original CAS disc with the collar that holds it in place removed. The original disc can be removed now. For future use, the original disc should be marked UP to remember what the original orientation of the disc is. Figure 9: Original CAS disc with collar removed The new AEM trigger disc is installed as shown in figure 10, orientation up or down is not important, only the D-shaped mounting on the shaft. Figure 10: AEM CAS trigger disc installed
Page 8 of 9 The collar and screw can be reinstalled as shown in figure 11. Figure 11: Trigger disc and collar reinstalled The internal CAS disc cover can be reinstalled with two screws that held it in place as shown in figure 12. Figure 12: Trigger disc cover reinstalled
Page 9 of 9 The internal plastic cover is reinstalled as shown in figure 13. Figure 13: Internal plastic cover reinstalled Reassemble the rest of the items in the reverse order of disassembly.
2010 ADVANCED ENGINE MANAGEMENT INC. 2205 126th Street Unit A Hawthorne, CA. 90250 Phone: (310) 484-2322 Fax: (310) 484-0152 http://www.aempower.com Instruction Part Number: 10-6600-B supplement Page 1 of 9 Installation Instructions for: Crank Angle Sensor replacement for EMS P/N 30-6601, 30-6602, 30-6620, and 30-6623 1991-1993 S13 180SX & Silvia SR20DET, 1994-1997 S14 180SX & Silvia SR20DET, 1998 S14 Silvia SR20DET, 1993-1998 S13 200SX SR20DET, and 1999-2003 Skyline GTR RB26DETT WARNING: ! This installation is not for the tuning novice nor the PC illiterate! Use this system with EXTREME caution! The AEM EMS System allows for total flexibility in engine tuning. Misuse of this product can destroy your engine! If you are not well versed in engine dynamics and the tuning of management systems or are not PC literate, please do not attempt the installation. Refer the installation to a AEM trained tuning shop or call 800-423-0046 for technical assistance. You should also visit the AEM EMS Tech Forum at http://www.aempower.com NOTE: AEM holds no responsibility for any engine damage that results from the misuse of this product! This product is legal in California for racing vehicles only and should never be used on public highways.