Question about Cars & Trucks
Just about to fit a new turbo and exhaust manifold to my Astra vxr on a 57 plate but I can't find the torque settings anywhere
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Posted on Jan 02, 2017
The haynes book is not recommended since there are numerous mistakes and they still will not update. One of the biggest is the firing order.
The factory service manual is the only way to go.
Head bolts - 46 - 50.5 lbs (there is an order sequence for the bolts)
Intake & exhuast manifolds- 13.5 - 20 lbs
Flywheel - 41.5 - 47 lbs
Clutch cover - 13.5 - 20 lbs
Posted on Mar 17, 2009
If you have low pressure in the exhaust manifold, then there would an exhuast leak somewhere from the exhaust manifold to the tail pipe. These leaks tend to get bigger over driving time. It may be the exhaust manifold gasket, or a crack in the manifold. Give a good listen for a sputtering sound. Part of the exhaust pipes have to be removed for access to the manifold. A good spray of PB breaker will help a lot with the bolts here.
Escaping gas is bad for the environment. This also causes gas to enter the manifold and make its way to the valves. The temperature of the incoming air is very cold compared to the combustion chamber and can cause damage the your valves by stressing them.
If you find no leak, then you may consider the sensor may be faulty or the leak is very small.
Posted on Mar 04, 2010
Cylinder Head Bolt Step1- (25 FT.Lbs) Step2(45 Ft.Lbs) Step3(65Ft,Lbs).....Intake Manifold(35Ft Lbs)....Exhaust Manifold Center (20Ft Lbs) All Others (20 Ftlbs).....Thanks
Posted on Mar 06, 2010
IVE JUST PUT A NEW IGNITION ON MY 1996 VAUXHALL ASTRA DIESEL VAN,NOW WHEN I TURN THE IGNITIN IT STARTS AND THEN CUTS STRAIGHT OUT. HOW DO I CURE THIS?
Posted on Apr 07, 2010
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