How To Tighten A 1987 Acura Integra Timing Belt should it become lose is something you may need to know Having a loose timing belt on your Acura Integra must be fixed immediately. The timing belt keeps the crankshaft and camshafts connected via pulleys and makes the engine's combustion perfect. If the timing belt has snapped, this is a fairly large job which needs care.
To tighten a 1987 Acura Integra timing belt, you'll Need:
- Socket Set
- Circular Tensioner
- Loosen the engine mounts which get in the way of the tensioner. To tighten the timing belt, there is the timing belt tensioner which is located at the right-hand side of the engine block.
Firstly remove the timing belt plastic covers by undoing the screws holding them on. With the pulley wheels exposed, look towards the lower part of the engine. You will see a circular tensioner which has a bolt and a slider section where you can adjust the tension of the belt.
To adjust the tension properly, you need to turn the crankshaft by hand (using a 27mm socket wrench) until cylinder 1 is at top dead center (TDC). The belt should have a little slack when it is at TDC, but once you turn it again, it should tighten up. Make sure you get this exactly right, and only have around 1-2mm deflection when cylinder 1 is passed TDC. Tighten the tensioner to 40lb-ft.
- A loose or slipping timing belt can cause huge amounts of damage, especially on B-series Acura engines as they are classed as interference engines. This means that when a timing belt snaps there will be piston/valve contact. If this happens, the cylinder head will need to removed, valves replaced and the head skimmed. The pistons need checking too as they could have had damage, although it is most likely to be the valves bending.
Once you are happy with the tension of the belt, turn the crankshaft a few times to make sure there is no noises, which would indicate damaged engine internals.
- Reattach the plastic timing belt covers and the engine mounts.
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