MI21-01
Service Bulletin Details
Public Details for: MI21-01
Volvo i-shift transmission replacement - difference between connections at the top of the oil filter housing
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Models from 2022
2022 PREVOST H3-41 |
2022 PREVOST H3-45 |
2022 PREVOST H3-45 VIP |
2022 PREVOST X3-45 |
2022 PREVOST X3-45 COMMUTER |
2022 PREVOST X3-45 VIP |
Models from 2021
2021 PREVOST H3-41 |
2021 PREVOST H3-45 |
2021 PREVOST H3-45 VIP |
2021 PREVOST X3-45 |
2021 PREVOST X3-45 COMMUTER |
2021 PREVOST X3-45 VIP |
Models from 2020
2020 PREVOST H3 |
2020 PREVOST H3-45 |
2020 PREVOST H3-45 VIP |
2020 PREVOST X3 |
2020 PREVOST X3-45 |
2020 PREVOST X3-45 VIP |
2020 VOLVO BUS 9700 |
Models from 2019
Models from 2018
Models from 2017
Models from 2016
Models from 2015
Models from 2014
Models from 2013
Models from 2012
Models from 2011
Models from 2010
2010 VOLVO BUS 9700 |
Models from 2009
2009 VOLVO BUS 9700 |
MAINTENANCE INFORMATION DATE : SUBJECT : MI21-01 January 2021 SECTION : 07 TRANSMISSION VOLVO I-SHIFT TRANSMISSION REPLACEMENT DIFFERENCE BETWEEN CONNECTIONS AT THE TOP OF THE OIL FILTER HOUSING First Release 14 Jan 2021 APPLICATION Model VIN Volvo 9700 From model year 2009 Prevost From model year 2011 DESCRIPTION When replacing a Volvo I-Shift transmission, it is imperative to follow the recommendations below. MATERIAL Order the following part: Part No. 20483578 Writer: EL Description GASKET, OIL FILTER HOUSING Qty 1MI21-01 Page 2 / 6 FIGURE 1: FILTER HOUSING GASKET NOTE Material can be obtained through regular channels. Writer: EL MI21-01 Page 3 / 6 VEHICLE I-SHIFT TRANSMISSION OF ORIGIN PARTICULARITY – OIL COOLING Volvo 9700 I-Shift UTCOOL (Europe) No oil cooling system at the top of the oil filter housing Prevost I-Shift TC-MWO (Europe) Oil cooling using engine coolant. Two tube fittings at the top of the oil filter housing. For this type of transmission, the oil is cooled by circulating coolant at the top of the filter housing. FIGURE 2: I-SHIFT TC-MWO FILTER HOUSING (EUROPE) Writer: EL MI21-01 Page 4 / 6 REMANUFACTURED I-SHIFT TRANSMISSION AS REPLACEMENT PART PARTICULARITY – OIL COOLING I-Shift UTCOOL (Volvo Truck North America) Threaded holes at the top of the oil filter housing for connection of oil circuit. With this configuration, the oil is directed to an external heat exchanger. FIGURE 3: I-SHIFT UTCOOL FILTER HOUSING (VOLVO TRUCK NORTH AMERICA) Writer: EL MI21-01 Page 5 / 6 PROCEDURE PREVOST COACHES When replacing the IShift transmission on a Prevost vehicle Recover the oil filter housing and upper part on the old transmission and install on the new transmission. Use a new filter housing gasket. Connect the coolant hoses as with former installation. On the new transmission, remove and discard the oil filter housing and its upper part VOLVO 9700 Recover the oil filter housing and upper part of the old transmission and install on the new transmission. Use a new filter housing gasket or When replacing the IShift transmission on a Volvo 9700 install the new transmission as is with its filter housing and install an oil circulation loop (see FIGURE 4). CAUTION, DO NOT BLOCK THE OIL PORTS AT THE TOP OF THE FILTER HOUSING. DOING SO WOULD PREVENT OIL FLOW IN THE TRANSMISSION AND SEVERE DAMAGE WOULD OCCUR. Writer: EL MI21-01 Page 6 / 6 Figure 5: DO NOT BLOCK THE CONNECTION PORTS AT THE TOP OF THE OIL FILTER HOUSING FIGURE 4: VOLVO 9700 – OIL CIRCULATION LOOP PARTS / WASTE DISPOSAL Discard according to applicable environmental regulations (Municipal/State[Prov.]/ Federal) Access all our Service Bulletins on http://techpub.prevostcar.com/en/ Or scan the QR-Code with your smart phone . Are you a Vehicle owner? E-mail us at [email protected] and type “ADD” in the subject to receive warranty bulletins applicable to your vehicle(s) by e-mail. Writer: EL