Question about 2004 Volkswagen Polo 1.4
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Posted on Jan 02, 2017
SOURCE: vw polo Broken timming Belt
Did you check the compression? If the compression is low then the most probable cause is the valves bent. Means the head has to come off.
If the compression is ok then have you got the HT leads on the right way or is the ignition timing ok. Check the resistance in the leads they have a tendancy to break down.
Posted on Nov 14, 2008
i would go with the mechanics advice and allow them to fix it. 1200 to 1500 beats spending 4000 on another motor if that one can be saved
Posted on Jan 26, 2009
Either the camshaft are seriously out of time or the piston rings/pistons are worn out.
Check TDC of Piston No1 on the power stroke coincides with both inlet and exhaust valves being closed.
Posted on Oct 09, 2009
80 000miles(120 000km) is recomended by the dealer but it's safer at 40 000miles(60 000km) its safer for town driving and cold conditions considering the diffirence between a cambelt change and a replacemnet engine and downtime.
Posted on Feb 02, 2010
SOURCE: 03 jetta tdi timing belt broke
The number of miles is not relevant, because in 7 years of driving, obviously it was mostly highway miles and caused little wear.
It only takes about an hour to try just changing the belt. You need to buy a belt anyway. So it is always worth the attempt.
Most VW's have small depressions in the pistons for the valves, to prevent anything serious.
But no, I do not believe the TDI even is an interference fit.
Only the DOHC GTI engine was even close. I do not believe the TDI had a dual cam version, nor was any Jetta dual cam. And it is only with dual cam that the valves hit, because they are on such a hemisherical angle.
Posted on Feb 26, 2010
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