1956 AMC Hudson Technical Service Manual Supplement
1956 AMC Hudson Technical Service Manual Supplement
1956 AMC Hudson Technical Service Manual Supplement
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HYDRA-MATIC TRANSMISSION 103<br />
power input is from the rear wheels. The free wheeling of the<br />
front unit is eliminated in D-3 by the use of the overrun<br />
clutch in order to provide engine braking on hills or when<br />
desirable. In "L" range, the low band applies to prevent free<br />
wheeling of the rear sprag and provide further engine braking.<br />
DIAGNOSIS GUIDE<br />
Malfunctions<br />
Possible Causes<br />
Slips in 1st and 3rd Al, A2<br />
Slips in or misses<br />
2nd and 4th<br />
B1, B2, B3, B4, NI,<br />
K2, K5<br />
Slips in all "D" Ranges Dl, D2, D3, N1<br />
Slips in 1st and 2nd El, E2<br />
Slips in 3rd or 4th<br />
Fl, F2, F3<br />
Slips in 3rd in D-3<br />
on Coast<br />
C1, C2, K5<br />
Slips in 1st and 2nd in<br />
"L" Range on Coast G1, G2, G3, G4<br />
No Drive in "D" Range A2, A3, B3, M3, E2,<br />
M4, N1<br />
No Upshifts<br />
J1, J3, K5<br />
Misses 2nd<br />
K3, K4, K5<br />
Misses 3rd<br />
K4, K5<br />
Locks Up in 2nd and 4th A2<br />
Locks Up in 3rd and 4th E2<br />
Rough 2-3<br />
P1, P2, P3, P4, P5, P6<br />
Upshifts High<br />
J1, J2, j3, M2, K5<br />
Upshifts Low<br />
J1, J3, Ml, K5<br />
No Reverse, Slips<br />
H1, N1, Ml, M4<br />
Selector Lever Won't<br />
Go into "R"<br />
J1, J3, L1<br />
Reverse Drive in "N" H3<br />
Legend for Diagnosis Guide<br />
A. Front Sprag Clutch<br />
1. Clutch Slipping<br />
2. Clutch Broken<br />
3. Clutch Incorrectly Installed<br />
B. Front Unit Torus Cover<br />
1. Cover Seals Leaking<br />
2. Cover Exhaust Valves Sticking or Missing<br />
3. Cover Feed Restriction or Leak<br />
4. Cover Signal Restriction or Leak<br />
C. Overrun Clutch<br />
1. Clutch Slipping or Burned<br />
2. Clutch Apply Restricted or Leaking<br />
D. Neutral Clutch<br />
1. Clutch Slipping or Burned<br />
2. Clutch Apply Restricted or Leaking<br />
3. Incorrect Number of Clutch Plates<br />
E. Rear Sprag Clutch<br />
1. Clutch Slipping<br />
2. Clutch Broken<br />
3. Clutch Incorrectly Installed<br />
F. Rear Unit<br />
1. Clutch Slipping or Burned<br />
2. Clutch Apply Restricted or Leaking<br />
3. Incorrect Number of Clutch Plates<br />
G. Low Servo<br />
1. Low Servo Apply Restricted or Leaking<br />
2. Low Band Not Anchored to Case or Broken<br />
3. Low Servo Piston and Rod Bind in Case or Servo<br />
and Accumulator Body<br />
4. Band Facing Worn or Loose<br />
H. Reverse Unit<br />
1. Reverse Piston Apply Restricted or Leaking<br />
2. Stationary Cone Key Missing<br />
3. Stationary Cone Sticking<br />
J. Governor<br />
1. Governor Valves Sticking<br />
2. Leaking or Restricted Main Line Feed to<br />
Governor<br />
3. Broken Governor Rings<br />
K. Control Valve Assembly<br />
1. Limit Valve Sticking<br />
2. Coupling Valve Sticking<br />
3. G-5 Valve Sticking<br />
4. Transition Valve Sticking<br />
5. Sticking Valves or Dirt in Valve Body<br />
L. Reverse Blocker Assembly<br />
1. Reverse Blocker Piston Stuck<br />
M. Linkage<br />
1. Throttle Linkage Adjusted Long<br />
2. Throttle Linkage Adjusted Short<br />
3. <strong>Manual</strong> Linkage Incorrectly Adjusted<br />
4. <strong>Manual</strong> Valve Not Engaged with Drive Pin<br />
N. Oil Pressure<br />
1. Low Oil Pressure<br />
P. Accumulator<br />
1. Trimmer Valve Stuck<br />
2. Accumulator Piston Stuck<br />
3. Accumulator Gasket Broken or Leaking<br />
4. Restricted or Leaking Oil Passages<br />
5. Broken Accumulator Spring<br />
6. Broken or Leaking Piston Oil Seal Rings
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