Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Tools
Below is an equipment list with corresponding part numbers:
REQUIRED SAFETY EQUIPMENT:
- Rubber insulating gloves
-
NOTE: The safety face shield is to be worn while working on high-voltage components or high-voltage cables.
- Safety face shield
REQUIRED EQUIPMENT:
- Vehicle Communication Module (VCM) and Integrated Diagnostic System (IDS) software with appropriate hardware, or equivalent scan tool with functionality described under Scan Tool Setup and Functionality.
- Rotunda Smoke Machine, Fuel Evaporative Emission System Tester 218-00001 (522) or equivalent.
RECOMMENDED EQUIPMENT:
- Rotunda Vacuum/Pressure Tester 164-R0253 or equivalent. Range 0-101.3 kPa (0-30 in-Hg.) Resolution 3.4 kPa (1 in-Hg.)
- Rotunda Vacuum Tester 014-R1054 or equivalent. Range 0-101.3 kPa (0-30 in-Hg.)
- Digital Multimeter (DMM) FLU77-4 or equivalent.
- Adjustable Ignition Spark Tester THX458 or equivalent.
- Deluxe Noid Lite and Signal Test Light Set AST7898 or equivalent.
- Non-powered test lamp.
- Fuel Pressure T Adapter (5/16) 310-D251 or equivalent.
- Chassis Ears JSP06608-D or equivalent.
OPTIONAL EQUIPMENT:
- Rotunda Fuel (Gasoline) Pressure Test Kit 134-R0087 or equivalent (Use tool manufacturer's instructions.)
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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