Remove the radiator cowling. It has 2 connecting clips(arrowed in photo)
Remove these clips by pushing out the centre portion with a small screwdriver as shown below.
Lift the cowlin up and remove. Be careful of pushing it against the radiator fins.
Locate the A/C tensioner pulley on the righthand side of the enginebetween the A/C compressor and Crankshaft, and pry off the dust cover(arrowed) with a screwdriver.
Loosen the 13mm nut inside and remove the belt.
Turn the 16mm bolt on the serpentine tensioner pulleycounter clockwise to slacken the belt and remove the belt. Refit the new belt to the routing diagram below and using the 1st track (closest to the engine) on the crankshaft
- Crankshaft
- Water pump/fan pulley
- Idler pulley
- Alternator
- Power steering
- Sepentine belt tensioner
If you are replacing the tensioner pulley remember that it is held in place by a reverse threaded bolt, so turn clockwise to loosen it.
Refit the A/C belt. fasten the tensioner pulley bolt by hand. Using a 10mm allen key in the hole in the pulley(arrowed), tension the belt, keep pressure on the allen key and fasten the pulley bolt with a wrench.
When refitting the fan shroud, position the shroud. It has a tab on each side halfway down the shroud that needs to locate in the radiator. Remove the centre pin from the shroud's clips completely. Insert the clip into its position and then insert the centre pin of the clip and push it in until flush with the clip itself.
Poor idling
Poor idle
Revs dropping
bmw 316i will not start
Smell like electrical smell front radiator and not getting hot.
Car wont start
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