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TRANSMISSION DOES NOT SHIFT INTO ONE GEAR Diagnostic Aids When the manual transmission will not transmit power from the engine to the wheels and one gear 8 Inspect the engine and/or transmission mounts Go to Step 9 Go to Step 10 9 Tighten the engine mount and/or transmission System OK Go to Step 10 10 Inspect the clutch housing for loose bolts or Go to Step 11 Go to Step 12 11 Tighten any loose housing bolts and/or align the System OK Go to Step 12 12 1. Remove the transmission. Refer to Transmission Replacement. 2. Disassemble and inspect the following internal components for wear or damage: Gearshift Transmission gears Bearings Did you find any worn or damaged Go to Step 13 System OK 13 1. Replace worn or damaged components, as necessary. 2. Install the transmission. Refer to Transmission Replacement. Did you find and repair the condition? Go to Step 14 Go to Diagnostic Aids 14 Operate the system in order to verify the repair. System OK Go to Step 1
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)
will not shift, it is possible that the gear is stripped. You should also perform a static shift and Test Description The numbers below refer to the step numbers on the diagnostic table. 2: This step inspects for worn or damaged shift control components. 4: This step inspects for any conditions with the hydraulic system. 8: This step inspects for worn or damaged internal components. Step Action Yes No DEFINITION: The transmission does not shift into a gear. 1 Did you review the Symptoms - Manual Go to Step 2 Go to Symptoms 2 Inspect the transmission shift lever operation. Go to Step 3 Go to Step 3 3 Replace the transmission shift lever. Refer to System OK Go to Step 4 4 Inspect the hydraulic clutch operation. Refer to Go to Step 6 Go to Step 5 5 Replace the concentric slave cylinder. System OK Go to Step 6 6 1. Remove the transmission. Refer to Transmission Replacement. 2. Inspect the transmission input shaft and the clutch pilot bearing. Is there signs of the input shaft binding in the Go to Step 7 Go to Step 8 1. Inspect the clutch pilot bearing for
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)
TRANSMISSION LOCKED IN ONE GEAR Diagnostic Aids If the transmission is locked, engaging the clutch will stop the engine. If the shift control Test Description The numbers below refer to the step numbers on the diagnostic table. 6: This step inspects for a faulty actuator cylinder. 7 damage. 2. Replace the clutch pilot bearing. Refer to Clutch Pilot Bearing Replacement . Did you find and repair the condition? System OK Go to Step 8 8 Disassemble and inspect the following Gearshift components Transmission gears Bearings Go to Step 9 System OK 9 1. Replace worn or damaged components, as necessary. 2. Install the transmission. Refer to Transmission Replacement. Did you find and repair the condition? Go to Step 10 Go to Diagnostic Aids 10 Operate the system in order to verify the repair. System OK Go to Step 1
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)
8: This step inspects for a dented or damaged shift fork. Step Action Yes No DEFINITION: The transmission cannot be shifted out of a gear. 1 Did you review the Symptoms - Manual Go to Step 2 Go to Symptoms 2 Inspect the transmission fluid level. Refer to Go to Step 4 Go to Step 3 3 Add transmission fluid, if necessary. System OK Go to Step 5 4 Inspect for the correct type of transmission Go to Step 6 Go to Step 5 5 Drain the transmission fluid and fill the System OK Go to Step 6 6 Inspect the concentric slave cylinder operation. Go to Step 8 Go to Step 7 7 Replace the concentric slave cylinder. System OK Go to Step 8 8 1. Remove the transmission. Refer to Transmission Replacement. 2. Disassemble and inspect the transmission for a dented or damaged shift fork. Did you find a dented or damaged shift fork? Go to Step 9 Go to Step 10 9 1. Replace worn or damaged components, as necessary. 2. Install the transmission. Refer to Transmission Replacement. Did you find and repair the condition? System OK Go to Step 10
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)
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