Throttle Valve Control Module -J338-: Removing

2012 Volkswagen Jetta TDI, 4D Sedan, Standard TransSECTION Removing
WARNING: This page is about a different car, the 2015 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the engine cover, refer to ENGINE COVER .

-- Remove the air filter housing, refer to REMOVINGΒ .

-- Remove the bolts -arrows-.

-- Loosen the clamp -2-, and remove the air guide pipe -1-.

Fig 1: Identifying Bolts, Clamp And Air Guide Pipe
GWWA21-10778Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Loosen the hose clamps -2 and 3- and remove the coolant hoses.

Fig 2: Identifying Hose Clamps And Bolts
GWWN23-10573Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolts -arrows-.

-- Disconnect the coolant hoses -1- and -5- with Hose Clamps - Up To 25 mm 3094.

NOTE: Place a cloth underneath to catch any escaping coolant.

-- Loosen the hose clamps -2, 3 and 4- and remove the coolant hoses.

-- Remove the bolt -3-.

Fig 3: Identifying Oil Dipstick Guide Tube Bolt
GWWA21-10779Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.