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.
1987 Cadillac Cimarron AutomaticFACTORY OEM SERVICE PROCEDURE
Fuel Pump: Testing: Notes
If a malfunction is diagnosed as fuel system related, perform the following tests and inspections prior to replacing fuel pump.
CAUTION:
Electric fuel pump systems are under constant pressure. The pressure must be released BEFORE any part of fuel system is disconnected. To relieve pressure, remove fuel pump fuse and run engine until it stops.
Factory Service Tools
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.