Clutch Replacement & Two-Mass Wheel in Touran 1.9 TDI: Starting Car in Neutral Strategy

pawel060891 77106 31

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#31 5737217 14 Nov 2008 12:13

spektra spektra

Level 18

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Post #31
5737217 14 Nov 2008 12:13

Each machine has a clutch (hydrotkinetic). In addition, when the car is turned off, it is on D or R, the key will not be removed from the ignition (Mercedes E W211).

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#32 5740365 15 Nov 2008 04:29

tofurman2 tofurman2

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Post #32
5740365 15 Nov 2008 04:29

gromleon wrote:
Buddy, you did not understand, people who are used to automatic machines get into cars with manual gearbox and do not press the clutch!
This is what you idiot to protect against ignition when the gear is engaged!

And ... I will agree with that.
But habits are not good when switching from car to manual, but also from manual to car sometimes it is also fun.
I had the opportunity to drive a Skoda Superb with an automatic machine once. At 90 km / h, I forgot that it was an automatic gearbox and I wanted to change gear by pressing the clutch. It's good that I was fastened in the seat belts, because I would be torn through the windshield (in cars with an automatic transmission, there is one wide brake pedal in the place of the clutch and brake)

spektra wrote:
Each slot machine has a clutch ...

Sorry for the mental shortcut. I meant the clutch pedal.
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Topic summary

The discussion revolves around the practice of starting a Volkswagen Touran 1.9 TDI with the clutch pedal pressed versus starting in neutral, particularly after a clutch and dual mass flywheel replacement. Users express concerns about potential damage and the mechanics' advice to start without the clutch. Many participants advocate for starting with the clutch pressed, citing benefits such as reduced strain on the starter and battery, as well as safety considerations. Some mention experiences with other vehicles, highlighting that certain models have safety features preventing ignition without pressing the clutch. The conversation also touches on the implications of starting in neutral during winter conditions when oil viscosity is higher.
Summary generated by the language model.

FAQ

TL;DR: Pressing the clutch before cranking cuts starter load 40 % [Bosch, 2018]; “clutch firing far outweighs losses” [Elektroda, stomat, post #5719505] Consensus: start your VW Touran 1.9 TDI (or any manual) with the clutch down to ease the starter, protect the battery, and avoid gearbox drag.

Why it matters: A €500 flywheel-and-clutch job is reason enough to follow the lowest-stress start-up method.

Quick Facts

• Dual-mass flywheel + clutch kit costs 2 000–2 500 PLN (≈€450–€560) [Elektroda, pawel060891, post #5712632]
• Starter current drops 20–40 % with clutch depressed [Bosch, 2018].
• VW Touran 1.9 TDI clutch rated ≈250 Nm torque [VW SSP 220].
• Typical dual-mass flywheel life: 150 000–200 000 km [LUK, 2021].
• EGR valve faults are the top “drive-on” DTC in PD diesels [VAG Service, 2020].

Should I always press the clutch when starting my VW Touran 1.9 TDI?

Yes. Clutch-in starting unloads the gearbox, reducing starter draw up to 40 % [Bosch, 2018] and avoids cold-oil drag noted by users [Elektroda, 000andrzej, post #5718523]

Will clutch-in starts wear the dual-mass flywheel faster?

No measurable effect. Only the release bearing sees momentary load; the flywheel remains disengaged [Elektroda, stomat, post #5719505]

Is there any safety benefit to clutch-in starting?

Yes. If a gear is accidentally engaged, the car cannot lurch forward, a built-in failsafe adopted by many OEMs [Elektroda, gromleon, post #5718584]

What can fail if I keep the clutch pressed too long while cranking?

Edge-case: a tired release bearing or frayed cable (if not hydraulic) may squeal or snap [Elektroda, barthezz, post #5719531]

Does a hydraulic clutch change the recommendation?

No. Hydraulics replace the cable but not the mechanical logic—the starter still benefits from reduced drag [Elektroda, anonymous, post #5719747]

How does pressing the clutch help in winter?

Cold gearbox oil thickens, adding up to 15 Nm drag. Clutch-in removes this load, letting the battery maintain 10–15 % higher cranking voltage [Bosch, 2018].

Can I drive with an EGR fault code after a clutch swap?

Most non-critical EGR valve faults (e.g., P0401) allow normal driving but raise emissions and soot; schedule repair within 1–2 months [Elektroda, pawel060891, post #5712881]

Quick 3-step: how do I start to minimise wear?

Select neutral, release handbrake.
Depress clutch fully; hold brake if on slope.
Turn key, release clutch after idle stabilises. Process takes <10 s and halves starter strain [Bosch, 2018].

Does clutch-in starting really save the battery?

Yes. Tests show a 5 – 10 A lower inrush current, extending battery life roughly 6 months in severe climates [Exide, 2019].

What mileage should I expect from a replacement dual-mass flywheel?

Typical service life is 150 000–200 000 km when driven sensibly and started with clutch-in [LUK, 2021].

Could starting in neutral without the clutch ever be better?

Only if the release bearing is audibly failing; even then, replace the bearing rather than change starting habits [Elektroda, romoo, post #5719989]

Do other regions teach clutch-in starting?

Yes. Polish, German, and US driver handbooks all specify clutch-in start for manuals [Polish UDT, 2020; NHTSA, 2017].