If it has the 4-speed transmission, it's under the hood on the passenger side next to the washer fluid reservoir. If it has the 3-speed transmission, there is no tcm.
If the gears are clunking in the transmission, this is a transmission problem in a 1998 Dodge Grand Caravan. The fact that the speedometer went up and back down suggests that the transmission slipped. It is more likely that a gear belt in the transmission failed, than something being wrong with the transfer case module or TCM.
No.
It does not have a maf.
A Grand Caravan would have the 41TE transmission which does not have a throttle or kickdown cable.
No, the electrical conections are different, and the gear ratios are different.
Inside the gas tank.
DOT 3
There isn't a vacuum line going to the regulator on a 1998 Dodge Caravan.
Yes, my 1997 grand caravan sport has one.
i have a 1998 grand caravan se, and it was doing the same thing and found it to be the power booster.
20 gallons
TCM Nordic was created in 1998.