Camshaft Drive Toothed Belt: Renew (2.0 L Fsi And Tfsi); Camshaft Drive Toothed Belt: Check (4-Cylinder Petrol Engines 1.4 L And 1.6 L); Spark Plugs: Renew - Volkswagen Golf Variant 2007 Maintenance Manual

4.60 Camshaft drive toothed belt: Renew (2.0
l FSI and TFSI)
Note
Generally it is not necessary to renew the toothed belt before the
actual change interval is reached. Especially cracks on the belt
side are not relevant for service life and cannot be covered by
goodwill or warranty processing.
– Removing and installing toothed belt, ⇒ Power unit; Rep. Gr.
15 ; Cylinder head, valve gear / removing and installing tooth‐
ed belt .
4.61 Camshaft drive toothed belt: Check (4-
cylinder petrol engines 1.4 l and 1.6 l)
4.61.1 Checking toothed belt condition
– Remove toothed belt cover ⇒ 4-cylinder injection engine; Rep.
Gr. 15 ; Removing and installing cylinder head .
– Check condition of toothed belt for:
♦ -A- Cracks, cross-sectional breaks, cracks (coating)
♦ -B- Side contact
♦ -C- Fraying of cord strands
♦ -D- Cracks (in teeth base)
♦ Layer separation (toothed belt body, draw strands)
♦ Surface cracks (synthetic coating)
♦ Traces of oil and grease
Note
If faults are found always renew toothed belt. This will avoid pos‐
sible breakdowns or operating problems. The replacement of a
toothed belt is a repair measure.
4.62

Spark plugs: Renew

Renewing spark plugs, 1.4 l injection engine
Renewing spark plugs, 1.4 l TSI engines (90 kW)
Renewing spark plugs, 1,4 l TSI engines (103 kW, 118 kW, 125
kW) ⇒ page 179 .
Renewing spark plugs, 1.6l petrol injection engines
⇒ page 188 .
Renewing spark plugs, 1.6 l FSI engines
Renewing spark plugs, 2.0 l FSI / 2.0 l TSI engines
⇒ page 184 .
Renewing spark plugs, 2.0 l TFSI engines
Renewing spark plugs, 2.5 l petrol injection engines
⇒ page 189 .
Special tools and workshop equipment required
Golf Variant 2007 ➤ , Golf Variant 2010 ➤ , Jetta 2005 ➤
⇒ page 177 .
⇒ page 181 .
⇒ page 183 .
⇒ page 186 .
Maintenance - Edition 09.2009
4. Descriptions of work
175