Technical Data — Spring Specification
TD-21spec tableAutomatic transaxle spring spec table. Accumulator springs (2-3 and 1-2, small/large) have per-engine values for B6 DOHC vs K8 DOHC.
Spring Specification
Automatic Transaxle Spring Specification
Upper control valve body
Spring nameThrottle modulator spring
Engine
Outer diameter mm {in}8.1 {0.319}
Free length mm {in}43.4 {1.709}
No. of coils10.5
Wire diameter mm {in}0.8 {0.031}
Upper control valve body
Spring nameThrottle spring
Engine
Outer diameter mm {in}5.4 {0.213}
Free length mm {in}46.2 {1.819}
No. of coils29.0
Wire diameter mm {in}0.88 {0.035}
Upper control valve body
Spring nameThrottle assist spring
Engine
Outer diameter mm {in}5.15 {0.203}
Free length mm {in}26.88 {1.058}
No. of coils16.2
Wire diameter mm {in}0.6 {0.024}
Main control valve body
Spring namePressure regulator spring
Engine
Outer diameter mm {in}11.5 {0.453}
Free length mm {in}34.2 {1.346}
No. of coils9.5
Wire diameter mm {in}1.0 {0.039}
Main control valve body
Spring name1-2 shift spring
Engine
Outer diameter mm {in}8.7 {0.343}
Free length mm {in}41.3 {1.626}
No. of coils13.5
Wire diameter mm {in}1.0 {0.039}
Main control valve body
Spring nameLow reducing spring
Engine
Outer diameter mm {in}7.9 {0.311}
Free length mm {in}34.5 {1.358}
No. of coils11.0
Wire diameter mm {in}0.8 {0.031}
Main control valve body
Spring name2-3 timing spring
Engine
Outer diameter mm {in}8.6 {0.339}
Free length mm {in}28.3 {1.114}
No. of coils8.6
Wire diameter mm {in}1.2 {0.047}
Main control valve body
Spring name3-2 timing spring
Engine
Outer diameter mm {in}8.0 {0.315}
Free length mm {in}29.98 {1.180}
No. of coils10.0
Wire diameter mm {in}0.8 {0.031}
Main control valve body
Spring name3-4 shift spring
Engine
Outer diameter mm {in}8.7 {0.343}
Free length mm {in}41.3 {1.626}
No. of coils13.5
Wire diameter mm {in}1.0 {0.039}
Premain control valve body
Spring nameBypass spring
Engine
Outer diameter mm {in}4.9 {0.193}
Free length mm {in}30.5 {1.201}
No. of coils23.0
Wire diameter mm {in}0.55 {0.022}
Premain control valve body
Spring name2-3 shift spring
Engine
Outer diameter mm {in}8.7 {0.343}
Free length mm {in}41.3 {1.626}
No. of coils13.5
Wire diameter mm {in}1.0 {0.039}
Premain control valve body
Spring nameConverter relief spring
Engine
Outer diameter mm {in}8.6 {0.339}
Free length mm {in}68.4 {2.693}
No. of coils27.5
Wire diameter mm {in}1.2 {0.047}
Premain control valve body
Spring nameTCC control spring
Engine
Outer diameter mm {in}5.0 {0.197}
Free length mm {in}30.1 {1.185}
No. of coils21.5
Wire diameter mm {in}0.55 {0.022}
Control valve body
Spring nameThrottle relief spring
Engine
Outer diameter mm {in}6.6 {0.260}
Free length mm {in}21.6 {0.850}
No. of coils11.5
Wire diameter mm {in}0.8 {0.032}
Oil pump
Spring nameSpring
Engine
Outer diameter mm {in}11.8 {0.465}
Free length mm {in}53.0 {2.087}
No. of coils12.0
Wire diameter mm {in}1.2 {0.047}
Accumulator
Spring name2-3 accumulator small spring
EngineB6 DOHC
Outer diameter mm {in}10.0 {0.394}
Free length mm {in}67.8 {2.669}
No. of coils20.0
Wire diameter mm {in}1.3 {0.051}
Accumulator
Spring name2-3 accumulator small spring
EngineK8 DOHC
Outer diameter mm {in}11.6 {0.457}
Free length mm {in}59.7 {2.350}
No. of coils16.9
Wire diameter mm {in}1.8 {0.071}
Accumulator
Spring name2-3 accumulator large spring
EngineB6 DOHC
Outer diameter mm {in}15.0 {0.591}
Free length mm {in}69.5 {2.736}
No. of coils15.8
Wire diameter mm {in}2.0 {0.079}
Accumulator
Spring name2-3 accumulator large spring
EngineK8 DOHC
Outer diameter mm {in}15.0 {0.591}
Free length mm {in}71.8 {2.827}
No. of coils9.8
Wire diameter mm {in}1.2 {0.047}
Accumulator
Spring name1-2 accumulator small spring
EngineB6 DOHC
Outer diameter mm {in}11.2 {0.441}
Free length mm {in}84.7 {3.335}
No. of coils25.5
Wire diameter mm {in}1.5 {0.059}
Accumulator
Spring name1-2 accumulator small spring
EngineK8 DOHC
Outer diameter mm {in}11.0 {0.433}
Free length mm {in}81.7 {3.217}
No. of coils25.9
Wire diameter mm {in}1.4 {0.055}
Accumulator
Spring name1-2 accumulator large spring
EngineB6 DOHC
Outer diameter mm {in}16.0 {0.630}
Free length mm {in}84.7 {3.335}
No. of coils19.5
Wire diameter mm {in}1.9 {0.075}
Accumulator
Spring name1-2 accumulator large spring
EngineK8 DOHC
Outer diameter mm {in}16.0 {0.630}
Free length mm {in}82.1 {3.232}
No. of coils18.0
Wire diameter mm {in}2.0 {0.079}
Accumulator
Spring nameN-D accumulator small spring
Engine
Outer diameter mm {in}10.8 {0.425}
Free length mm {in}101.2 {3.984}
No. of coils28.2
Wire diameter mm {in}1.2 {0.047}
Accumulator
Spring nameN-D accumulator large spring
Engine
Outer diameter mm {in}15.0 {0.591}
Free length mm {in}94.2 {3.709}
No. of coils16.5
Wire diameter mm {in}1.6 {0.063}
Accumulator
Spring nameN-R accumulator small spring
Engine
Outer diameter mm {in}9.8 {0.386}
Free length mm {in}93.2 {3.669}
No. of coils31.5
Wire diameter mm {in}1.3 {0.051}
Accumulator
Spring nameN-R accumulator large spring
Engine
Outer diameter mm {in}14.0 {0.551}
Free length mm {in}106.5 {4.193}
No. of coils23.0
Wire diameter mm {in}1.7 {0.067}
3-4 clutch
Spring nameReturn spring
Engine
Outer diameter mm {in}74.4 {2.929}
Free length mm {in}40.5 {1.594}
No. of coils1.0
Wire diameter mm {in}5.0 {0.197}
Coasting clutch
Spring nameReturn spring
Engine
Outer diameter mm {in}7.3 {0.287}
Free length mm {in}20.45 {0.805}
No. of coils10.0
Wire diameter mm {in}1.0 {0.039}
Low and reverse brake
Spring nameReturn spring
Engine
Outer diameter mm {in}5.55 {0.219}
Free length mm {in}14.3 {0.563}
No. of coils12.0
Wire diameter mm {in}0.75 {0.030}
Servo
Spring nameReturn spring
Engine
Outer diameter mm {in}27.7 {1.091}
Free length mm {in}43.25 {1.703}
No. of coils4.5
Wire diameter mm {in}3.2 {0.126}
Orifice
Spring nameCheck spring
Engine
Outer diameter mm {in}7.5 {0.295} / 8.3 {0.327}
Free length mm {in}32.8 {1.291}
No. of coils10.1
Wire diameter mm {in}0.6 {0.024}