GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Torque Converter Case


Object Number: 1302015  Size: MF
(1)Line
(3)Reverse CPC or Line
(4)Line
(4)Line
(4)Line
(4c)CPC TCC
(5a)CPC A or Line
(5f)CPC A or Line
(5h)CPC B
(5j)CPC B
(5k)CPC B or Line
(5m)CPC A or Line
(6)Modulate
(9)Line
(20)2nd Clutch
(30)3rd Clutch
(40)4th Clutch
(50)5th Clutch
(51)5th Clutch
(58)LS C
(93)ATF Cooler
(95)Lubrication
(95)Lubrication
(99)Suction
(ax)Air Drain
(hx)High Position Drain
(hx)High Position Drain
(la)LC A
(sa)SH A
(x)Drain
(x)Drain
Figure 2:

Main Valve Body - Torque Converter Case Side


Object Number: 1302016  Size: MF
(1)Line
(2)Line
(3)Reverse CPC or Line
(3)Reverse CPC or Line
(4)Line
(4)Line
(4)Line
(4a)CPC A
(4c)CPC TCC
(5b)CPC A
(5c)CPC B
(5h)CPC B
(5j)CPC B
(5a)CPC A or Line
(5e)CPC A or Line
(5f)CPC A or Line
(5m)CPC A or Line
(5n)CPC A or Line
(5d)CPC B or Line
(5g)CPC B or Line
(5k)CPC B or Line
(6)Modulate
(9)Line
(15)Coast Clutch
(20)2nd Clutch
(25)Line
(30)3rd Clutch
(40)4th Clutch
(50)5th Clutch
(51)5th Clutch
(55)CPC TCC or Line
(58)LS C
(90)Torque Converter
(90)Torque Converter
(91)Torque Converter
(91)Torque Converter
(92)Torque Converter
(93)ATF Cooler
(94)Torque Converter
(95)Lubrication
(95)Lubrication
(96)Torque Converter
(99)Suction
(x)Drain
(hx)High Position Drain
(hx)High Position Drain
(ax)Air Drain
(sa)SH A
(sb)SH B
(la)LC A
(la)LC A
Figure 3:

Main Valve Body - Regulator Body Side


Object Number: 1302017  Size: MF
(1)Line
(3)Line
(3)Reverse CPC or Line
(3)Reverse CPC or Line
(4)Line
(4)Line
(4)Line
(4a)CPC A
(4b)CPC B
(4c)CPC TCC
(5a)CPC A or Line
(5b)CPC A
(5c)CPC B
(5d)CPC B or Line
(6)Modulate
(9)Line
(15)Coast Clutch
(20)2nd Clutch
(25)Line
(30)3rd Clutch
(40)4th Clutch
(50)5th Clutch
(55)CPC TCC or Line
(58)LS C
(90)Torque Converter
(90)Torque Converter
(91)Torque Converter
(91)Torque Converter
(92)Torque Converter
(93)ATF Cooler
(94)Torque Converter
(95)Lubrication
(95)Lubrication
(96)Torque Converter
(99)Suction
(ax)Air Drain
(hx)High Position Drain
(la)LC A
(sa)SH A
(sb)SH B
(x)Drain
Figure 4:

Secondary Valve Body - Main Valve Body Side


Object Number: 1302018  Size: LF
(1)Line
(3)Line
(3)Reverse CPC or Line
(3)Reverse CPC or Line
(4)Line
(4)Line
(4)Line
(4a)CPC A
(4b)CPC B
(4c)CPC TCC
(5a)CPC A or Line
(5b)CPC A
(5c)CPC B
(5d)CPC B or Line
(6)Modulate
(9)Line
(10)1st Clutch
(15)Coast Clutch
(20)2nd Clutch
(25)Line
(30)3rd Clutch
(50)5th Clutch
(55)CPC TCC or Line
(56)LSA
(57)LSB
(58)LSC
(95)Lubrication
(95)Lubrication
(ax)Air Drain
(hx)High Position Drain
(la)LC A
(sa)SH A
(sb)SH B
(sc)SH C
(x)Drain
Figure 5:

Regulator Body - Main Valve Body Side


Object Number: 1302019  Size: LF
(1)Line
(3)Reverse CPC or Line
(3)Reverse CPC or Line
(4)Line
(4)Line
(30)3rd Clutch
(40)4th Clutch
(50)5th Clutch
(58)LS C
(90)Torque Converter
(90)Torque Converter
(91)Torque Converter
(92)Torque Converter
(93)ATF Cooler
(94)Torque Converter
(95)Lubrication
(96)Torque Converter
(97)Torque Converter
(99)Suction
(x)Drain
Figure 6:

Secondary Valve Body - Accumulator Body Side


Object Number: 1302021  Size: LF
(4)Line
(4a)CPC A
(4c)CPC TCC
(6)Modulate
(10)1st Clutch
(15)Coast Clutch
(20)2nd Clutch
(50)5th Clutch
(55)CPC TCC or Line
(56)LS A
(57)LS B
(58)LS C
(95)Lubrication
(91)Torque Converter
(95)Lubrication
(ax)Air Drain
(hx)High Position Drain
(la)LC A
(sa)SH A
(sb)SH B
(sc)SH C
(x)Drain
Figure 7:

Regulator Body


Object Number: 1302024  Size: LF
(30)3rd Clutch
(99)Suction
(x)Drain
Figure 8:

Accumulator Body


Object Number: 1302025  Size: MF
(6)Modulate
(10)1st Clutch
(15)Coast Clutch
(40)4th Clutch
(56)LS A
(57)LS B
(95)Lubrication
(ax)Air Drain
(x)Drain
Figure 9:

AT Clutch Pressure Control Solenoid Valve


Object Number: 1302026  Size: SF
(6)Modulate
(56)LS A
(57)LS B
(ax)Air Drain
(hx)High Position Drain
Figure 10:

Accumulator Body - Secondary Valve Body Side


Object Number: 1302027  Size: MF
(4a)CPC A
(4c)CPC TCC
(6)Modulate
(9)Line
(10)1st Clutch
(15)Coast Clutch
(20)2nd Clutch
(40)4th Clutch
(50)5th Clutch
(55)CPC TCC or Line
(56)LS A
(57)LS B
(58)LS C
(95)Lubrication
(95)Lubrication
(ax)Air Drain
(la)LC A
(sa)SH A
(sb)SH B
(sc)SH C
(x)Drain
Figure 11:

Lock Up Solenoid Valve


Object Number: 1302028  Size: SF
(6)Modulate
(58)LS C
(ax)Air Drain
(hx)High Position Drain
Figure 12:

Main Separator Plate


Object Number: 1302029  Size: MF
(1)Line
(2)Line
(3)Reverse CPC or Line
(3)Reverse CPC or Line
(4)Line
(4)Line
(4)Line
(4c)CPC TCC
(5a)CPC A or Line
(5f)CPC A or Line
(5h)CPC B
(5j)CPC B
(5k)CPC B or Line
(5m)CPC A or Line
(6)Modulate
(9)Line
(20)2nd Clutch
(30)3rd Clutch
(40)4th Clutch
(50)5th Clutch
(51)5th Clutch
(58)LS C
(93)ATF Cooler
(95)Lubrication
(95)Lubrication
(99)Suction
(ax)Air Drain
(hx)High Position Drain
(hx)High Position Drain
(la)LC A
(sa)SH A
(x)Drain
(x)Drain
Figure 13:

Secondary Separator Plate


Object Number: 1302030  Size: LF
(1)Line
(3)Line
(3)Reverse CPC or Line
(3)Reverse CPC or Line
(4)Line
(4)Line
(4)Line
(4a)CPC A
(4b)CPC B
(4c)CPC TCC
(5a)CPC A or Line
(5b)CPC A
(5c)CPC B
(5d)CPC B or Line
(6)Modulate
(9)Line
(10)1st Clutch
(15)Coast Clutch
(20)2nd Clutch
(25)Line
(30)3rd Clutch
(50)5th Clutch
(55)CPC TCC or Line
(58)LS C
(95)Lubrication
(95)Lubrication
(ax)Air Drain
(hx)High Position Drain
(la)LC A
(sa)SH A
(sb)SH B
(sc)SH C
(x)Drain
Figure 14:

Regulator Separating Plate


Object Number: 1302031  Size: LF
(1)Line
(3)Reverse CPC or Line
(3)Reverse CPC or Line
(4)Line
(4)Line
(30)3rd Clutch
(40)Clutch
(50)5th Clutch
(58)LS C
(90)Torque Converter
(91)Torque Converter
(92)Torque Converter
(93)ATF Cooler
(94)Torque Converter
(95)Lubrication
(96)Torque Converter
(99)Suction
(90)Torque Converter
(x)Drain
Figure 15:

Accumulator Separator Plate


Object Number: 1302032  Size: LF
(4a)CPC A
(4c)CPC TCC
(6)Modulate
(10)1st Clutch
(15)Coast Clutch
(20)2nd Clutch
(50)5th Clutch
(55)CPC TCC or Line
(56)LS A
(57)LS B
(58)LS C
(95)Lubrication
(95)Lubrication
(ax)Air Drain
(la)LC A
(sa)SH A
(sb)SH B
(sc)SH C
(x)Drain