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 MANUALSEAGLE1993SUMMIT L4-1795CC 1.8L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESSHOCK, REV-UP
1993 Eagle Summit L4-1795cc 1.8L SOHC
Shock, Rev-Up
1993 Eagle Summit L4-1795cc 1.8L SOHCSECTION Shock, Rev-Up
Inspection Step 10
Description
A downshift or upshift during operation causes shock. In addition, the transmission speed exceeds the engine speed. In this case, an abnormal reducing pressure or a defective kickdown servo switch, etc. are suspected.
Probable Cause of Trouble
- Faulty kickdown servo switch
- Abnormal reducing pressure
- Defective valve body
- Defective closed throttle position switch
- Defective pressure control solenoid valve
- Defective clutches and/or brakes
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.