NHTSA ID Number: 10199972
Manufacturer Communication Number: IS-19912C
TSB/Document Date: 2021-08-05
Summary
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH DELCO REMY ALTERNATOR
55. Installing the LH alternator pulley. Place
#560720 alternator flat on a bench with the
shaft horizontal.
Required tools:
•
•
15/16” crowfoot adapter
8 mm hex bit
Clean shaft and pulley with brake cleaner.
Slide pulley #069893 on the shaft by hand.
Hand thread nut on the shaft until snug.
Using thin wall15/16”adapter and 8 mm hex bit
to block shaft rotation, tighten to 70-80 lbf-ft.
Never use power tools to install pulley and nut.
Note: Do not apply any pressure to end of the
shaft. Internal damage may occur if the shaft is
pushed back and turned.
FIGURE 62
56. Install alternator on support with four (4)
#5002091 M10x120 screws.
Apply blue Loctite
Tighten to 48 lb-ft
FIGURE 63
57. Install the idler support #011213 using:
3x screws #5001799
Tighten to 48 lb-ft
FIGURE 64
EL
Writer:
IS-19912C
Page 37 / 91
58. Install the new idler #012349 with one screw
(1) #5001786 and one (1) washer #5002008.
Tighten to 59 lb-ft
FIGURE 65
59. Install the dust cap #453076.
FIGURE 66
FIGURE 67
EL
Writer:
IS-19912C
Page 38 / 91
60. Install the new alternator tensioner #510991.
Secure with one (1) screw #5001799 on which
blue Loctite is applied.
FIGURE 68: TENSIONER MOUNTING SCREW TORQUE : 48
LB-FT
61. Install belt #506067. To do so, rotate the
automatic belt tensioner using a ½ square
drive breaker bar.
NOTE: Use belt #506080 instead if the original
crank pulley is still in place (vehicle equipped
with a trailer hitch).
FIGURE 69
62. Remove former belt routing decal and replace
with decal #010111.
FIGURE 70
63. Perform the “Multiplex Modules Disconnection
Procedure Prior to Welding” found in your
vehicle Maintenance Manual, Section 00:
General.
EL
Writer:
IS-19912C
Page 39 / 91
64. Weld the new coolant filter support #050265 on
the engine cradle.
23 1/2 inches (597 mm) from the end of the
cradle
FIGURE 71
FIGURE 72
FIGURE 73
EL
Writer:
IS-19912C
Page 40 / 91
FIGURE 74
EL
Writer:
IS-19912C
Page 41 / 91
65. As a preparation for welding, use a grinder
with abrasive disc to remove some paint to
reach bare metal. Weld the ground stud
#380360 centered on the beam, 16 inches (406
mm) from the vertical member beam end.
FIGURE 75
FIGURE 76
66. Apply black paint to the area surrounding the
ground stud and the ground stud circular base.
DO NOT apply paint on the electrical contact
surfaces.
FIGURE 77: GROUND STUD #380360
FIGURE 78: GROUND STUD #380360
EL
Writer:
IS-19912C
Page 42 / 91
67. Install a tie mount #509490 with one screw
#502686 at the back of the L.H. engine mount.
FIGURE 79
68. Install the alternator ground cable #0610035.
Use the ground screw and lock washer
supplied with alternator with the addition of a
flat washer #500411.
torque: 50-60 lbf-in
69. Secure the alternator ground cable to the
previously installed tie mount using one (1)
nylon tie #509491.
FIGURE 80
FIGURE 81
EL
Writer:
IS-19912C
Page 43 / 91
70. Secure the alternator ground cable to the
previously installed ground stud on the L.H.
engine mount.
Use screw #502719 & washer #5001935
Tighten to 20 lbf-ft
FIGURE 82
FIGURE 83
71. Protection against corrosion. Apply Color
Guard rubber coating on the alternator ground
screw and the ground stud once the ground
cable is hooked up.
FIGURE 84
FIGURE 85
EL
Writer:
IS-19912C
Page 44 / 91
72. To the previously installed coolant filter
support, install the filter holder recovered from
the former installation.
FIGURE 86
73. Install a new coolant filter 21937327onto the
filter holder. Check the clearance between the
filter and the near-hose clamps of the coolant
pipe leading to the transmission oil cooler.
74. Transfer the drain plug and the coolant
extractor quick connect fitting saved from the
old radiator outlet pipe.
Apply Loctite 567 Thread Sealant prior
installation of the fittings
75. Install the new radiator outlet pipe #050331.
Reinstall with the flexible hose #053617 and
four (4) hose clamps #992089. Use steel wire
to hold the end of the pipe until the radiator is
installed if required.
A: # 992089 hose clamp (4x); torque: 30 lbf-in
B: drain plug
C: coolant extractor quick connect valve
D: # 053617 silicone hose
FIGURE 87
76. Connect the elbow between the copper heater
line and the new radiator outlet pipe.
A: #992086 hose clamp (1x)
For proper clamp torque, refer to HOSE CLAMP
TORQUE on page 12.
FIGURE 88
EL
Writer:
IS-19912C
Page 45 / 91
77. Using blue flexible hose #052366, prepare two
new short hoses for the coolant filter.
a) Cut two sections of blue flexible hose, one 13
inches long and a second one, 27 inches
long.
b) Use the banjo fittings recovered from the
previous installation.
A : hose clamp #992081 (4x)
B: banjo fitting copper washer #507657 (6x)
FIGURE 89
hose clamp torque: 30 lbf-in
FIGURE 90
78. Install the 13″ and 27″ long hoses prepared at
the previous step as shown on the images.
FIGURE 91
FIGURE 92
EL
Writer:
IS-19912C
Page 46 / 91
79. Secure the 24″ long hose as shown on the
image.
A : nylon tie # 509491
FIGURE 93
80. Connect the DEF injector coolant line return
hose to the radiator outlet pipe.
Use two (2) new banjo fitting copper washer
#507657
FIGURE 94: DEF INJECTOR COOLANT LINE RETURN HOSE
81. Connect the coolant line that comes from the
surge tank to the radiator outlet pipe. Use one
(1) hose clamp #992086.
TORQUES:
Caillau clamps : 30 lbf-in
EL
Writer:
FIGURE 95
IS-19912C
Page 47 / 91
82. Secure the coolant hoses together using the
following hardware.
A : nylon tie # 509491 (2x)
B:swivel mount #504751 (1x)
FIGURE 96
83. Secure the coolant hoses together using nylon
ties.
A: « handcuff » nylon tie #N37749 (2x)
FIGURE 97
EL
Writer:
IS-19912C
Page 48 / 91
84. Hang the engine intake pipe #050308 in place.
FIGURE 98
FIGURE 99: ENGINE INTAKE PIPE SUPPORT
FIGURE 100: PIPE SUPPORT
EL
Writer:
IS-19912C
Page 49 / 91
85. Reinstall the intake elbow and adapter. Use the
following hardware:
A: V-band clamp #20592783 (2x)
B: Gasket #1675066 (2x)
FIGURE 101: ENGINE INTAKE PIPE SUPPORT
FIGURE 102
EL
Writer:
IS-19912C
Page 50 / 91
86. Connect the new CAC outlet pipe #050308 to
the engine intake elbow.
A: #030096 hose (1x)
B: #21490630 spring loaded clamp (2X)
FIGURE 103
Constant Torque hose clamps 4.25″- charge air
cooler (CAC) 4.5-5.5 lbf-ft
FIGURE 104: CONNECTION AT THE ENGINE INTAKE
ELBOW
87. Reinstall the pipe (item A) section located
downstream the engine air filter. Connect the
air compressor fresh-air inlet pipe (item B)
connected to pipe A.
FIGURE 105
EL
Writer:
IS-19912C
Page 51 / 91
88. Reinstall the exhaust pipe section located
between the DPF and the flexible section. Use
the following hardware:
•
V-band clamp #21021850 (2x)
•
Gasket #21095726 (2x)
FIGURE 106: REINSTALL THIS EXHAUST PIPE SECTION
89. Pre-install the new radiator inlet pipe #050309.
A: #052889 silicone hose
B: # 992089 hose clamp (4x); final torque: 30
lbf-in
FIGURE 107
EL
Writer:
IS-19912C
Page 52 / 91
90. Install seven (7) nylon tie mounts centered
on the beam, as shown in the picture. Drill Ø ¼
in. Use the following hardware:
•
Tie mount #509490 (7x)
•
Rivet #504610 (7x)
Spacing between
approximately.
each
tie
mount:
6½″
FIGURE 108
FIGURE 109
FIGURE 110
EL
Writer:
IS-19912C
Page 53 / 91
91. Install five (5) nylon tie mounts as shown in
the picture. Drill Ø ¼″. Use the following
hardware:
Tie mount #509490 (5x)
Rivet #504610 (5x)
•
•
FIGURE 111
FIGURE 112
FIGURE 113: TIE MOUNT 3 & 4 SHALL NOT BE PLACED
BETWEEN THE BULKHEAD AND THE VALVE COVER
.
92. On the bracket shown on the image, drill a hole
of Ø 11/32″. and then install a nylon tie with fir
tree #504750.
FIGURE 114: BRACKET ON THE ENGINE HOT SIDE
EL
Writer:
IS-19912C
Page 54 / 91
DIAGRAM OF ELECTRICAL CONNECTIONS
EL
Writer:
IS-19912C
Page 55 / 91
93. Hook up the “alternator power cable” #0610053
to the alternator positive (+) post. Place the flash
washer between the cable lug and the nut.
1x nut #500685torque: 80-125 lbf-in
1x flat washer #5001341
Apply Color Guard rubber coating at the alternator
ground (
) and positive (+) connections.
IMPORTANT NOTE
Early alternators are provided with a shorter positive
stud.
With the short stud, nut #500685 does not thread
fully to allow the locking nylon insert to grip on the
threads.
In this case, DO NOT use nut #500685. Use the nut
and lock washer provided with the alternator instead.
Tighten to: 80-125 lb-po (9.0-14.0 N-m).
FIGURE 115
FIGURE 116:
-NUT #500685 DOES NOT THREAD FULLY TO ALLOW
THE LOCKING NYLON INSERT TO GRIP ON THE
THREADS (UPPER IMAGE)
-HARDWARE TO USE WITH SHORT STUD (LOWER
IMAGE)
EL
Writer:
IS-19912C
Page 56 / 91
94. Secure the alternator power cable with the nylon
tie with fir tree previously installed.
FIGURE 117
95. Secure the alternator power cable to the tie
mounts previously installed using nylon ties:
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 📌【We are Here for You】Dear valued customer, please be...
- 🚀【5X Faster Next-Level Hardware, Same as MK900/ MX...
- 🔥【3000+ Active Tests = MK900/MK900BT but...
- 📢【2026 U.S. Version, All-in-One as MK808S/ MK808Z...
- 🔥【28+ Hot Services for 150+ Brands】Same as MaxiCOM...
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: IS-19912C
Replacement Service Bulletin Number:
MFR Communication Date: 2021-07-05
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission
, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU coding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations
- 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA AutoAuth: Now supports FCA SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Programming): Allows for Ford, for Lincoln, and for Mazda ECU programming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
- Cost-effective ECU Coding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
- OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
- 3 Years Software Update, Value for Money: With 3 years of software updates and 22+ languages(no IP restrictions), XTOOL D7S auto scanner code scanner ensures ongoing compatibility for the latest car models and improved diagnostic functions. This all system vehicle diagnostic scanner comes with a 30-day return policy and a 24-month repair for dependable performance. XTOOL are dedicated to your satisfaction, so enjoy seamless support and lifetime expert assistance. Should you encounter any issues or concerns, don’t hesitate to reach out XTOOL. D7S with newest update with 22 languages freely transfer without authorization, check details from setting-language or from XTOOL
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
This product presentation was made with AAWP plugin.