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 MANUALSCHEVROLET1982CITATION L4-151 2.5LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLEDESCRIPTION AND OPERATIONPOWER FLOWINTERMEDIATE RANGE
1982 Chevrolet Citation L4-151 2.5L
Intermediate Range
1982 Chevrolet Citation L4-151 2.5LSECTION Intermediate Range
In this range, the forward and intermediate band are applied. The transmission is in Intermediate range-second gear.
A 3-2 downshift can be obtained by moving the selector lever from Drive range to Intermediate range.
With selector lever in Intermediate range, RND oil will exhaust at the manual valve, and intermediate oil from the manual valve is directed between the reverse and T.V. boost valves.
Intermediate oil acting on the reverse boost valve along with the pressure regulator spring force boosts line pressure to 120 psi which is required to hold the intermediate band and forward clutch on.
Because RND oil is exhausted, the transmission will shift to 2nd gear, regardless of vehicle speed. With transmission in 2nd gear, Intermediate range, it will not upshift to 3rd gear regardless of vehicle speed. (RND oil is the feed for direct clutch oil in 3rd gear).
A 3-2 downshift can be obtained by moving the selector lever from Drive range to Intermediate range.
With selector lever in Intermediate range, RND oil will exhaust at the manual valve, and intermediate oil from the manual valve is directed between the reverse and T.V. boost valves.
Intermediate oil acting on the reverse boost valve along with the pressure regulator spring force boosts line pressure to 120 psi which is required to hold the intermediate band and forward clutch on.
Because RND oil is exhausted, the transmission will shift to 2nd gear, regardless of vehicle speed. With transmission in 2nd gear, Intermediate range, it will not upshift to 3rd gear regardless of vehicle speed. (RND oil is the feed for direct clutch oil in 3rd gear).
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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.