Installation manual applications rapid power part # gm duramax w/ auto trans ‘01-’05 153001 stage 1 shift enhancer.
1 troubleshooting: technical support is available by calling 866-bullydog (866-285-5936). Table of contents introduction get ready for greatly improved shift over stock shifting, this stage 1 shift enhancer will give you a noticeably better shift with a more positive engage. Before begining installa...
2 parts included: the springs: the two springs included with this kit will replace two of the stock springs that are in the trans- mission valve body. Trim valve a w/rib: this trim valve will replace the stock vavle. Trim valve a is unique, notice that it has a little rib in the center. It is very i...
3 removing the tranmission valve body important: when dismantling the valve body be careful to store all of the parts in a safe place to prevent them from being lost. It is also very important to keep all the parts clean. 1. Remove the tranmission pan plug and drain all the transmission oil from the...
4 6. Remove the plate that secures the solenoids shown in picture #3. 7. Remove all the remaining bolts that hold the valve body together and dismantle it. When separating the valve body pull evenly on each side being carefull not to break the attaching dowles. Do not use any pry bars or tools to se...
5 changing valves valve body modifications there are two major modifications, the first is to swap out the trim valves and place springs in front of the trim valves before replacing them. It is a good idea to first full swap out the a trim side and replace it before starting on the b trim side to re...
6 changing vavles valve body assembly: when bolting the valve body back up to the transmission, torque all the bolts to 8 ft/lbs. 6.See the separator plate drilling diagram to see where to drill out the two holes, then use the 1/8th drill bit that is included with the kit to drill out those two hole...
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