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 MANUALSCHRYSLER1987FIFTH AVENUE 5.2 4REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMCARBURETOR - ROCHESTER E4MC/E4MEADJUSTMENTSSECONDARY (REAR) VACUUM BREAK
1987 Chrysler Fifth Avenue 5.2 4
Secondary (Rear) Vacuum Break
1987 Chrysler Fifth Avenue 5.2 4SECTION Secondary (Rear) Vacuum Break
NOTE:
Choke coil lever and choke rod (fast idle cam) adjustments must be correct before performing this adjustment. Adjustment is performed with choke valve angle gauge. See the ANGLE GAUGE ADJUSTMENT TOOL procedure at the beginning of ADJUSTMENTS. DO NOT
remove rivets and choke cover to perform this adjustment.
RENDER: 1.0x
NO RELATED
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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.