Question about Volvo S40
Timing belt bruck bent sum values
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: had a cambelt break on
Its because your pistons on 1&4 are up top that is why your bent valves got bent you are doing exactly the same thing so turn the crank back 15degrees position your cam and reset your crank,it seems to me you may be out of your depth lets hope not or it may be expensive
Posted on Apr 25, 2009
Do not attempt to start the engine under any circumstances until you have carried out a few tests. IF you dont have valve damage replacing the belt and trying to start the engine could cause serious further damage.
Replace the belt and make sure the timing is perfect, you might need to rock the pistons back and forth via the crank pulley in order to fit the belt if the pistons come into contact with a valve or two. Once you have the belt fitted and the timing right remove the spark plugs and slowly turn the engine over by hand, not with the starter motor. With the valve cover removed and with someone turning the engine by hand you should be able to see any valves that are not operating correctly. If any thing doesn't look right then you will have to investigate further by removing the cylinder head.
Posted on Aug 24, 2008
just go to any junk yard and find a used deawoo lanos and pull the head if timing belt was not broke, if it looks good, its a exact fit 100%, no special tools needed, just normal wrench set and torqe wrench. after head is installed, get a gates timing belt only.
Posted on Dec 26, 2008
The ZX2 Zetec is a non-interference engine. This means the valves are not capable of touching the pistons at any time. If your belt breaks, there will not be any valve damage. There are reliefs cut into the top of the pistons that allow clearance for the valves if the belt breaks. Most engines are interference and will cause several hundred or even thousands of dollars of damage when a timing belt breaks. Most shop manuals list the ZX2 as interference but it is not. Many people seek out this how-to because a mechanic has informed them that they have valve damage and quoted a repair price over $1000.
Posted on Apr 03, 2009
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