Remove/install antenna for global positioning system (GPS) on vehicles with APS - AR82.61-P-7474GI

MODEL 163.113 /154 /172 /174 #A as of 145273 up to 289564, 163.113 /154 /172 #X as of 708319 up to 754619, 163.136/157 with CODE (353) Audio 30 APS with CODE (357) Navigation system - additional unit with CODE (349) E-call emergency call system 

Fig 1: Identifying Antenna For Global Positioning System On Vehicles With APS Components

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Unscrew cover (2) using special wrench (1)	Installation:  Screw in cover (2) until it is flush with the antenna surface. Special wrench (1) is included in the installation kit.
2	Unscrew threaded sleeve (3)
3	Disconnect telephone and GPS roof antenna (A2/49)	Installation:  Install new rubber grommet (5). Ensure that the grommet is in the correct installation position. No longer use foam gasket (4).
4	Install in the reverse order