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THM 200-4R - 325 - 325-4L - No Reverse And No Up-Shift

Posted on by Amos

COMPLAINT: No Reverse no upshifts, low gear only.

CAUSE: Stripped splines on the sun gear shell as shown in Figure 1.

CORRECTION: Replace the sun gear shell. If the vehicle is used in heavy duty operation (police-taxi) a new hardened shell is available. It is a flat black in color. Part number 8648360

For more detailed information about service and car tools like C168 scanner and digimaster ii to for more help.

THM 4L60 (700-R4) T.V. EXHAUST VALVE

The 1982/83 Models of the THM 700 R4 did not come with a TV Exhaust valve I4 (Figure 2). All Information that was published prior to production will show this valve, however it was never installed.

For 1984, there is now a I 10 check ball as shown in (Figure 3) this check ball is larger in diameter than the others, and can easily be identified by its dark copper color. Also note that the check balls have been renumbered.

The intent of cht # 10 check ball is to protect the transmission in the event of a broken or unhooked cable. Causing a late or no upshift condition. We recommend leaving this check ball out.

Find out more useful information:http://www.creader.us/

THM 200-4R - 325 - 325-4L - No Reverse And No Up-Shift
THM 200-4R - 325 - 325-4L - No Reverse And No Up-Shift
THM 200-4R - 325 - 325-4L - No Reverse And No Up-Shift