ATF PREHEATER, Removing And Installing: Removing

-- Remove the transfer case. Refer to TRANSFER CASE, REMOVING AND INSTALLING .

-- If present, remove heat shield -1- for the coolant lines from the transmission. Remove the bolts -arrows A-.

Fig 1: Heat Shield And Bolts

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-- Remove the vacuum hose -1- from the vacuum pipe -2- (leading to the brake booster).

Fig 2: Identifying Vacuum Hose And Pipe

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-- Place the Used Oil Collection And Extraction UnitSMN372500 under the engine/transmission.

-- Clamp off the coolant hoses on the left transmission side with Hose Clamps - Up To 25mm3094.

Fig 3: Coolant Hoses And Hose Clamps Up To 25 Mm Dia. 3094.

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-- Then remove the hose clips from coolant pipes -A-, for example using Hose Clip PliersVAG1921. Remove the coolant hoses from the coolant pipes.

-- Clamp off the coolant hoses on the right transmission side with Hose Clamps - Up To 40mm3093 and disconnect the coolant hoses from coolant pipes -A-.

Fig 4: Coolant Pipes -A- And Hose Clamps Up To 40 Mm Dia. 3093

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-- Remove the bleed hose -B- from the clip on the coolant pipe.

Fig 5: Coolant Pipes, Breather Hose And Clips

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-- Remove the coolant pipes -A- from the transmission -arrows-.

-- Remove the bolts -1 and 2- and then remove the ATF pipes from the transmission. Collect the escaping oil.

Fig 6: Identifying Transmission Fluid Pipe Bolts -1 And 2

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-- Seal the ATF lines with a suitable plug from the Engine Bung SetVAS6122 (to prevent dirt from getting into the lines).

-- Remove the ATF pre-heater from the transmission -arrows-.

Fig 7: Identifying Pre-Heater Bolts

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-- Disconnect the connector 1 from the Cooling Oil Valve -N471- -1- and remove the ATF pre-heater and coolant pipes from the transmission.

Fig 8: Cooling Oil Valve -N471-

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