A/T - New Third Oil Pressure Switch
Number 84-7-8Date 3/84
Subject: NEW THIRD OIL PRESSURE SWITCH -
THM 200-C OI MODEL TRANSMISSION 5.0L BONNEVILLE AND GRAND PRIX
FIGURE 1:
Beginning November 1, 1983 a new third oil pressure switch and bracket assembly (Figure 1) went into production for all 1984 THM 200-C OI model transmissions..
When servicing any 1984 THM 200-C OI model transmission that necessitates that the third oil pressure switch be replaced compare the oil pressure switch being replaced to the past and new oil switches in Figure 1.
If the oil switch required is the past switch, order Part Number 8634475. If the oil switch required is the new switch, order Part Number 8648190.