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How do you know if the cause of a strange chain noise is the timing chain tensioner or low engine pressure?

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2014-05-06 17:41:19
2014-05-06 17:41:19

It depends on what kind of car and what engine you have.

You could temporarily install a mechanical oil pressure gauge in place of the factory unit to verify the engine oil pressure.

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Related Questions


There is no Timing Belt. It has a Timing Chain ,, inside the Engine.

1. For a 2.4 Quad you have a plunger that bolts on which gets it's pressure from the oil pump. The tensioner just needs to be reseated no bolts required it will set next to a piston type plunger and all you need to do is manualy turn the engine 2 to 3 turns and if the plunger is good the little piston should come out and put pressure on the tensioner and tighten the chain. If it does not come out assuming you have plenty of oil in your engine then you need to replace the tensioner which is around $40.00. Tensioner has a round hole in it and slides over a pin on the inside housing and if the plunger is working it will reload the tensioner. After engine restart you may hear the chain as if it is loose but the oil pressure will balance out the needed plunger pressure aganist the timing chain and will quiet down.

there are two tensioners, the serpentine tensioner and the timing belt tensioner. the timing belt tensioner is behind the timing belt cover ;)

Once you have the front cover off the engine, examine the tensioner bar on the left side. The left tensioner operates on engine oil pressure to keep the timing chain tight, and a ratchet holds light pressure on the tensioner bar when the engine is turned off. You should be able to press the piston in by releasing the ratchet, then use a small piece of wire to hold the tensioner in place. Once the tensioner has been secured, just remove the bolts on the tensioners. I just noticed that you indicated that it's an SC1, meaning that there is only one camshaft but the instructions should be much the same

The 2.2 ecotec motor has a timing chain with oil pressure tensioner and chain guides.

The timing chain is on the front of the engine. Your drive belt tensioner pulley is bolted into the timing chain housing.

not gospel but 4.0 sohc engine is an interference major damage if timing chain or timing chain tensioner breaks

1.4 Eight valve engine. The water pump is the timing belt tensioner on this model. you need to slacken the pump and rotate it to tension the belt.

next to the timing chain you will find it in the cover on front of engine where the water pump is mounted they call it the timing chain cover you will have to remove this cover to get at it

The tensioner for the serpentine belt is a bracket with a pulley on it at the top left side of the engine in front. It has a 3/8 bracket to put a ratchet on. The tensioner pulley is spring loaded and once you have released the tension on the belt through the ratchet point the belt can be slipped off. The tensioner for the timing belt is inside the timing cover about midway on the engine.

Remove valve cover, then remove the side time belt cover. Check timing belt tension. If there's too much slack, loosen timing belt tensioner, put pressure against side of tensioner with long screwdriver, then tighten the tensioner bolt.

you can't : On the '97 Twin cam engine the cam chain tensioner depends on oil pressure. I had a problem that with 200,000 miles the chain had stretched farther than the tensioner could handle and had to replace the cam chain.

Timing is done by chain with an automatic chain tensioner. The accessory drive is a belt located on the front of the engine.

You may have a timing belt missing a tooth or two, or a worn out timing belt tensioner.

You don't. The timing belt should have a spring loaded tensioner which pulls on the belt to adjust tension.

use small pin to depress ball valve in bottom of tensioner. using fingers compress tensioner. this is to keep the tenioner from exerting too much pressure on the timing chain.

Yes, the oil pump could be damaged if the timing belt tensioner was damaged in the vehicle. It is a good idea to check the oil pressure to determine if the pump is working correctly.

u dont adjust the timing chain tensioner if there is slop or play in chain, u need to replace the chain . good idea to replace timing gears at same time while engine is pulled apart

the answer is yes. since the tensioner is hydraulic and require oil supplied from the oil pump to add pressure to the sleeve/guide.

{| ! valign="bottom" | Item ! valign="bottom" | Part Number ! valign="bottom" | Description | 1 6M250 Timing Chain/Belt Idler, Upper 2 6256 Camshaft Sprocket, Front 3 6M250 Timing Chain/Belt Idler, Lower 4 6306 Crankshaft Sprocket 5 6K254 Timing Chain/Belt Tensioner 6 6256 Camshaft Sprocket, Rear Removal # Remove the Engine Front Covers (6019). Refer to the procedure in this section. # Remove the three nuts and the engine support insulator through bolt from the engine support insulator. Remove the front engine support bracket (6028). # Raise and support the vehicle. # Align the crankshaft sprocket (6306) to TDC by turning the crankshaft (6303) in the direction of normal engine (6007) rotation. # NOTE: Remove the lower timing chain tensioner arm bolt before the upper timing chain tensioner arm bolt. Remove two bolts from the timing chain tensioner arm (6285) in the order shown. Remove the timing chain tensioner arm. # Mark the direction of rotation on the timing chain/belt (6268) to be sure of proper installation. # Loosen the timing chain/belt tensioner bolt. # Remove the timing chain/belt. Installation # Compress the timing chain tensioner arm until the hole in the piston is aligned with the second hole in the case. Insert a 1.6mm (0.06 inch) diameter wire or pin through the second hole to keep the piston compressed. # Align the camshafts (6250) to top dead center (TDC). # Turn the crankshaft clockwise until the crankshaft sprocket is offset from TDC by one tooth. # Install the timing chain/belt.Turn the crankshaft in the direction of normal engine rotation without moving the camshafts, until the crankshaft timing mark is again at TDC. This will place all of the belt slack in the timing chain tensioner arm portion of the timing chain/belt. # Install the timing chain tensioner arm and both bolts. Tighten the timing chain tensioner arm bolts to 19-25 Nm (14-18 lb-ft). # Remove the pin from the timing chain tensioner arm. # NOTE: When correctly timed, the crankshaft timing mark will line up and will NOT be one tooth off. Turn the crankshaft two complete revolutions, in the direction of normal engine rotation, to make sure that the timing is still correct. # Tighten the timing chain/belt tensioner bolt to 35-51 Nm (26-37 lb-ft). # Install the RH engine support insulator. Tighten the three nuts to 74-103 Nm (54-76 lb-ft) and the RH engine support insulator through bolt to 67-93 Nm (50-68 lb-ft). # Install the Engine Front Covers . |}

Timing belts only get loose if the tensioner is broken. If that happens the belt will slip and your engine will be out of time. It will either not run at all or run very badly. On an interference engine you could have internal engine damage.

Yes, the BMW M20 engine uses a timing belt. It should be replaced (along with the tensioner) every 70000 kM.

I assume you mean the tensioner for the timing belt. The drive belts for the power steering pump, alternator, and A/C compresser also have tensioners. My manuals and research for replacing the timing belt on a 2003 Toyota Tacoma with 3.4 V6 engine say to press the plunger of the hydraulic tensioner by hand hard against something immovable. If it moves, replace the tensioner. I conclude from this description that one should not be able to move the plunger by hand pressure. Compressing the plunger required considerable force in a large vise when I did my timing belt.

Does it require replacing tensioner pully when replacing waterpump and timing belt on 2003 passat 2.8

auto store usually special order for a timing belt tensioner or belt tensioner


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