Transmission Trouble Shooting - CHRYSLER
A/T - HARSH ENGAGEMENT FROM NEUTRAL TO "D" (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Engine idle speed too high | Check setting and adjust |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Hydraulic pressure too high | Check and adjust hydraulic pressure |
| Worn or faulty rear clutch | Check and replace clutch |
| Faulty lock-up clutch (except A413 & A470) | Check and replace lock-up clutch |
| Engine performance (A413 & A470) | Perform engine diagnosis and tune-up |
A/T - HARSH ENGAGEMENT FROM NEUTRAL TO "R" (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Engine idle speed too high | Check setting and adjust |
| Valve body malfunction or leakage (except A413 & A470) | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Hydraulic pressure too high | Check and adjust hydraulic pressure |
| Worn or faulty front clutch | Check and replace front clutch |
| Faulty lock-up clutch (except A413 & A470) | Check and replace lock-up clutch |
| Low-Reverse band worn or misadjusted (A413 & A470) | Check and replace, or adjust Low-Reverse band |
| Low-Reverse servo, band or linkage malfunction (A413 & A470) | Check servo, band and linkage for damage |
| Engine performance (A413 & A470) | Perform engine diagnosis and tune-up |
A/T - DELAYED ENGAGEMENT FROM NEUTRAL TO "D" (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Incorrect gearshift linkage control adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Oil filter clogged | Clean and replace filter |
| Faulty oil pump | Check and replace oil pump |
| Worn or broken Input shaft seal rings | Check and replace seal rings |
| Air in transmission fluid | Check and replace fluid |
| Engine idle speed too low | Check setting and adjust |
| Worn or broken reaction shaft support seal rings (except A413 & A470) | Check and replace seal rings |
| Worn or faulty rear clutch | Check and replace clutch |
A/T - DELAYED ENGAGEMENT FROM NEUTRAL TO "R" (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Low-Reverse servo, band or linkage malfunction | Check servo, band and linkage for damage |
| Low-Reverse band misadjusted or worn out (A413 & A470) | Check and adjust, or replace, Low-Reverse band |
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Incorrect gearshift linkage control adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Oil filter clogged | Clean and replace filter |
| Faulty oil pump | Check and replace oil pump |
| Worn or broken input shaft seal rings | Check and replace seal rings |
| Air in transmission fluid | Check and replace fluid |
| Engine idle speed too low | Check setting and adjust |
| Worn or broken reaction shaft support seal rings | Check and replace seal rings |
| Worn or faulty front clutch | Check and replace clutch |
A/T - RUNAWAY UPSHIFT (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Oil filter clogged | Clean and replace filter |
| Air in transmission fluid | Check and replace fluid |
| Incorrect throttle linkage adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Kickdown servo band or linkage malfunction | Check and adjust band and/or linkage |
| Worn or faulty front clutch | Check and replace clutch |
| Worn or broken reaction shaft support seal rings | Check and replace seal rings |
A/T - NO UPSHIFT (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Incorrect gearshift linkage control adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Incorrect throttle linkage adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Governor support seal rings broken or worn (A413 & A470) | Check and replace support seal rings |
| Worn or broken reaction shaft support seal rings | Check and replace seal rings |
| Governor malfunction | Check and repair or replace governor |
| Kickdown servo band or linkage malfunction | Check and adjust band and/or linkage |
| Worn or faulty front clutch | Check and replace clutch |
| Engine performance (A413 & A470) | Perform engine diagnosis and tune-up |
A/T - 3-2 KICKDOWN RUNAWAY (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Air in transmission fluid | Check and replace fluid |
| Incorrect throttle linkage adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Kickdown band out of adjustment | Check and adjust kickdown band |
| Governor support seal rings broken or worn (A413 & A470) | Check and replace support seal rings |
| Worn or broken reaction shaft support seal rings (except A413 & A470) | Check and replace seal rings |
| Kickdown servo band or linkage malfunction | Check and adjust band and/or linkage |
| Worn or faulty front clutch | Check and replace clutch |
A/T - NO KICKDOWN OR NORMAL DOWNSHIFT (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Incorrect throttle linkage adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Governor malfunction | Check and repair or replace governor |
| Kickdown servo band or linkage malfunction | Check and adjust band and/or linkage |
A/T - SHIFTS ERRATIC (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Incorrect gearshift linkage control adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Oil filter clogged | Clean and replace filter |
| Faulty oil pump | Check and replace oil pump |
| Air in transmission fluid | Check and replace fluid |
| Incorrect throttle linkage adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Governor support seal rings broken or worn | Check and replace support seal rings |
| Worn or broken reaction shaft support seal rings | Check and replace seal rings |
| Governor malfunction | Check and repair or replace governor |
| Kickdown servo band or linkage malfunction | Check and adjust band and/or linkage |
| Worn or faulty front clutch | Check and replace clutch |
| Engine performance (A413 & A470) | Perform engine diagnosis and tune-up |
A/T - SLIPS IN FORWARD DRIVE POSITIONS (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Incorrect gearshift linkage control adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Oil filter clogged | Clean and replace filter |
| Faulty oil pump | Check and replace oil pump |
| Worn or broken input shaft seal rings | Check and replace seal rings |
| Air in transmission fluid | Check and replace fluid |
| Incorrect throttle linkage adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Overrunning clutch not holding, or clutch is worn, broken, or seized | Check and replace overrunning clutch |
| Worn or faulty rear clutch | Check and replace clutch |
A/T - SLIPS IN REVERSE ONLY (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Low-Reverse band worn or misadjusted | Check and replace, or adjust Low-Reverse band |
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low-Reverse servo, band or linkage malfunction | Check servo, band and linkage for damage |
| Low fluid level | Check and replenish as required |
| Incorrect gearshift linkage control adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Faulty oil pump | Check and replace oil pump |
| Air in transmission fluid | Check and replace fluid |
| Worn or broken reaction shaft support seal rings | Check and replace seal rings |
| Worn or faulty front clutch | Check and replace clutch |
A/T - SLIPS IN ALL POSITIONS (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Oil filter clogged | Clean and replace filter |
| Faulty oil pump | Check and replace oil pump |
| Worn or broken input shaft seal rings | Check and replace seal rings |
| Air in transmission fluid | Check and replace fluid |
A/T - NO DRIVE IN ANY POSITION (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Oil filter clogged | Clean and replace filter |
| Faulty oil pump | Check and replace oil pump |
| Planetary gear sets broken or seized | Check and replace gear sets |
A/T - NO DRIVE IN FORWARD DRIVE POSITIONS (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Worn or broken input shaft seal rings | Check and replace seal rings |
| Overrunning clutch not holding, or clutch is worn, broken, or seized | Check and replace overrunning clutch |
| Worn or faulty rear clutch | Check and replace clutch |
| Planetary gear sets broken or seized | Check and replace gear sets |
A/T - NO DRIVE IN REVERSE (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Low-Reverse band worn or misadjusted | Check and replace, or adjust Low-Reverse band |
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low-Reverse servo, band or linkage malfunction | Check servo, band and linkage for damage |
| Incorrect gearshift linkage control adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Worn or broken reaction shaft support seal rings | Check and replace seal rings |
| Worn or faulty front or rear clutch | Check and replace defective clutch |
| Planetary gear sets broken or seized | Check and replace gear sets |
A/T - DRIVES IN NEUTRAL (CREEPS) (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Incorrect gearshift linkage control adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Insufficient clutch plate clearance | Check and adjust clutch plate clearance |
| Dragging, faulty, or worn rear clutch | Check and replace rear clutch |
A/T - DRAGS OR LOCKS-UP (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Low-Reverse band worn or misadjusted | Check and replace, or adjust Low-Reverse band |
| Kickdown band adjustment too tight | Check and adjust kickdown band adjustment |
| Planetary gear sets broken or seized | Check and replace gear sets |
| Overrunning clutch worn, broken, or seized | Check and replace overrunning clutch |
| Stuck lock-up valve (except A413 & A470) | Check, clean and/or replace valve |
| Faulty oil pump (except A413 & A470) | Check and replace oil pump |
| Slips in Reverse or Manual Low (except A413 & A470) | |
| Low-Reverse band misadjusted | Check and adjust Low-Reverse band |
| Oil filter clogged | Clean and replace filter |
A/T - HARSH UPSHIFT (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Hydraulic pressure too high or too low | Check and adjust hydraulic pressure |
| Incorrect throttle linkage adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Kickdown band out of adjustment | Check and adjust kickdown band |
| Faulty lock-up clutch (except A413 & A470) | Check and replace lock-up clutch |
| Engine performance (A413 & A470) | Perform engine diagnosis and tune-up |
A/T - DELAYED UPSHIFT (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Incorrect throttle linkage adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Kickdown band out of adjustment | Check and adjust kickdown band |
| Governor support seal rings broken or worn | Check and replace support seal rings |
| Worn or broken reaction shaft support seal rings | Check and replace seal rings |
| Governor malfunction | Check and repair or replace governor |
| Kickdown servo band or linkage malfunction | Check and adjust band and/or linkage |
| Worn or faulty front clutch | Check and replace clutch |
| Engine performance (A413 & A470) | Perform engine diagnosis and tune-up |
A/T - GRATING, GROWLING OR SCRAPING NOISE (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Low-Reverse band worn or misadjusted | Check and replace, or adjust Low-Reverse band |
| Kickdown band adjustment too tight | Check and adjust kickdown band adjustment |
| Drive shaft(s) bushing(s) damaged (A413 & A470) | Replace bushings |
| Planetary gear sets broken or seized | Check and replace gear sets |
| Overrunning clutch worn, broken, or seized | Check and replace overrunning clutch |
| Output shaft bearing and/or bushing damaged (except A413 & A470) | Replace bearing and/or bushing |
A/T - BUZZING NOISE (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Valve body malfunction or leakage | Check valve body operation and perform HYDRAULIC PRESSURE TESTS |
| Low fluid level | Check and replenish as required |
| Faulty oil pump | Check and replace oil pump |
| Air in transmission fluid | Check and replace fluid |
| Overrunning clutch inner race damaged | Check and replace overrunning clutch |
A/T - HARD TO FILL, OIL BLOWS OUT FILLER TUBE (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Oil filter clogged | Clean and replace filter |
| Air in transmission fluid | Check and replace fluid |
| Fluid level too high | Correct fluid level |
| Transmission breather clogged (except A413 & A470) | Clean breather |
A/T - TRANSMISSION OVERHEATS (CHRYSLER)
| Possible Cause | Correction |
|---|---|
| Stuck switch valve | Clean and replace valve |
| Engine idle speed too high | Check setting and adjust |
| Hydraulic pressure too low | Check and adjust hydraulic pressure |
| Low fluid level | Check and replenish as required |
| Incorrect gearshift linkage control adjustment | Check and adjust linkage, see LUBRICATION & ADJUSTMENTS |
| Faulty oil pump | Check and replace oil pump |
| Kickdown band adjustment too tight | Check and adjust kickdown band adjustment |
| Insufficient clutch plate clearance | Check and adjust clutch plate clearance |
| Faulty cooling system | Check for damaged or restricted cooling lines |