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.
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HOMESERVICE MANUALSMERCURY1991COUGAR LS, 3.8 4REPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMESEATSPOWER SEATSSYSTEM TESTSTEST R: BOLSTER INFLATES BUT DOES NOT RETRACT
1991 Mercury Cougar LS, 3.8 4
Test R: Bolster Inflates But Does Not Retract
1991 Mercury Cougar LS, 3.8 4SECTION Test R: Bolster Inflates But Does Not Retract
- Inspect for worn or damaged bolster control switch. If problem is found, replace switch and retest system. If problem is not found, go to next step.
- Inspect for worn or missing bolster return springs. If bolster return springs are missing, replace springs and then retest system.
- Inspect for damaged or worn bolster mechanism. If mechanism is damaged, replace bolster mechanism and retest system. If problem is not found, go to next step.
- Inspect for kinked air lines. If kinked air lines are found, properly route air lines and then retest system.
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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.