Retrofitting coolant preheater - AN20.30-P-0001Q
ENGINE 112.9, 113.9 in MODEL 220
Installation sequence with engines 112, 113
Installation sequence with Engine 112
Installation sequence with Engine 113
| Removing | |||
| Risk of injury
to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant. |
Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| 1 | Drain coolant | at radiator and crankcase | |
| AR20.00-P-1142HA | |||
| 2 | Remove lower engine compartment paneling | ||
| AR61.20-P-1105M | |||
| Installing | |||
| Notes on coolant preheater | AH20.00-P-1001-01A | ||
| 3 | Screw coolant preheater (20) into housing (10) | Use new O-ring. |
*BA20.00-P-1001-01A |
| Figure | |||
| 4 | Connect housing (10) to coolant pump with hose (11) | ||
| 5 | Screw housing (10) onto timing case cover with self-tapping screws (13) | ||
| 6 | Fasten hose (11) with clamps (12) | ||
| 7 | Install and tighten new lower water hose (14) between housing (10) and radiator | ||
| 8 | Fasten electric cable of coolant preheater (20) to oil pan using rubberized clamps (15), | *BA01.45-P-1001-01B | |
| 9 | Continue routing along left longitudinal member to crossmember above left headlamp | Fasten cable to existing wiring with tie strap (2). | |
| 10 | Fasten retaining spring (a) with cap (b) and self-tapping screws (c) to crossmember (9) | ||
| 11 | Hang cable plug (8) in retaining spring and attach cap (b) | ||
| 12 | Inspect cooling system for leaks | ||
| AR20.00-P-1010HA | |||
| Figure | |||
| Figure |
| Number | Designation | Engines 113.940/941/ 942/943/944/ 945/946/960/ 961/962/963/ 965/967/968/ 969/980/981/ 982/984/986/ 992/995 | Engine 112.916/953/975, 113.948/966 | Engine 113.987/ 988/991 | ||
|---|---|---|---|---|---|---|
| BA01.45-P-1001-01B | Bolt, oil pan to crankcase | M6 | Nm | 9 | 9 | 9 |
| M8 | Nm | 20 | 20 | 20 | ||
| Number | Designation | Engines 112.910/911/ 912/913/914/ 915/917/920/ 921/922/923/ 940/941/942/ 943/944/945/ 946/947/949/ 951/954/955/ 960/961/970/ 972/973/976 | ||
|---|---|---|---|---|
| BA01.45-P-1001-01B | Bolt, oil pan to crankcase | M6 | Nm | 9 |
| M8 | Nm | 20 | ||
| Number | Designation | Engine 112, 113 | |
|---|---|---|---|
| BA20.00-P-1001-01A | Coolant preheater in engine block | Nm | 35 |
PARTS ORDERING NOTES
| Part no. | Designation | Quantity |
|---|---|---|
| KG20G (see EPC) | Clip | 1 |
| KG20G (see EPC) | Preheater parts kit | 1 |
| KG20G (see EPC) | Housing | 1 |
| 210 501 53 82 | Coolant hose | 1 |
| 220 501 09 82 | Coolant hose on Engine 112 | 1 |
| 220 501 10 82 | Coolant hose on Engine 113 | 1 |
| KG20G (see EPC) | Self-tapping screw M6 (mounted to housing) | 2 |