SOURCE: 1996 VW polo diesel fuel pump
easy to change its on top of the injector pump ,but you may have a antitheft shroud around it which means removing the pump from the engine to get get the shroud off
SOURCE: MISFIRING ON CYLINDER 1 VW POLO 1.4 3CYLINDER
I have changed a few cylinder heads under warranty for this type of problem. The exhaust valve guides wear, this causes the exhaust valve to seat badly, giving low compression. if one cylinder compresion reading is more than about 50 psi below the others, then this warrants head removal. It is quite a job, due to the fact that the camshft id chain driven. If you are up for it then once the head is removed, poor liquid into the exhaust ports and see if it leaks out through any of the exhaust valves.
SOURCE: cylinder head torque settings for a toyota 1493cc
If you have a vehicle application for the motor you can get a Haynes or Chilton manual from your local auto parts store. They usual run around $30.
SOURCE: whats the torque setting for big end bearing bolt
hi big end bearings are two stage, 25nm leave ten mins, then 49nm cylinder head bolts three stages 20nm leave ten mins, 40nm leave ten mins then 60nm check after 5,000miles hope this helps
SOURCE: golf iv 1.6 8v cylinder head torque settings
hi to tighten you have to do it in 4 stages as follows
1st stage 40nm leave 5 mins
2nd stage 60nm leave 5 mins
3rd stage 90 degrees leave 10 mins
4th stage 90 degrees
then you are done i will try put order on here i hope this works as follows
10 4 2 6 8
front of engine back of engine
7 5 1 3 9
in that order hope this helps
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