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Questions tagged [timing]

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5
votes
2answers
6k views

Diesel engine timing?

A petrol engine can fire the spark plugs slightly earlier or later to account for factors like revolution speed and engine temperature. However a diesel only fires when the mixture is compressed. ...
2
votes
1answer
170 views

Subaru Forester - Timing Belt

I have a Subaru Forester X Limited AT 2000cc 2AB 2009. The timing belt requires replacement. My question is if the Gates TCK304 Timing Belt Component Kit, fits my Subaru?
4
votes
1answer
352 views

1997 Infiniti J30 is sometimes very slow to get power after a full stop, otherwise fine

My 1997 Infiniti J30 is sometimes very slow to get any power when I start going from a full stop. I can put the pedal to the floor, and it will slowly creep forward for 3-5 seconds, then suddenly ...
1
vote
0answers
565 views

Peugeot 207 gti depollution fault

Car starts rough but runs fine ,no loss of power. check engine light on and depollution system faulty on dash. Local garage scanned car and came up with camshaft sensor fault but they think timing ...
3
votes
1answer
51 views

Rover Mini Mayfair Auto 1990/H

When cranking, the engine turns and there is a spark....not strong. I can't find the timing mark through the circulled(rubber) hole, but the arrow shows on the cover. How can I freely turn (by hand) ...
6
votes
1answer
760 views

Clicking noise in Opel Astra

I just bought a 99 Opel Astra and I have noticed a clicking noise in it. I opened the bonnet and it sounds like it may be coming from the timing belt! I really don't know though. The guy i bought it ...
5
votes
3answers
4k views

97 Honda Accord won't start after head gasket replacement

I recently replaced the head gasket on my Honda Accord. The cylinder head was tested at a machine shop and they also replaced the valve seals. I didn't do any work to the cylinders, except use ...
3
votes
1answer
576 views

How is Dodge Spark Advance Controlled by the PCM if there is a Distributor?

The Chilton manual for the late 90s and early 2000s Durango and RAM says that PCM controls ignition timing and spark advance. I don't understand this, because these motors are equipped with a ...
2
votes
1answer
1k views

Bad exhaust leak or valve interference after HG change?

2006 Volvo s40 2.4i I replaced my HG the other day (I've done a few before with no problems). I was very careful marking everything. Locking the cams together with a cam locking tool specific for ...
7
votes
3answers
1k views

Single-cylinder engine - no camshaft position sensor?

I'm doing some research on the Honda CRF450. This is a single-cylinder engine. I'm interested in the fuel-injected models (not the older carbureted versions). As far as I can tell, this engine doesn'...
2
votes
1answer
569 views

my timing belt is broken and top dead centers (TDC) are off

T-belt on Sienna 2004 was broken. How do I do re-timing for my car both cam-and-crankshafts before installing the t-belt? Thanks
3
votes
4answers
5k views

Timing belt changed, won't start

I just did the timing belt change in a Honda 2007 V6 Accord. I thought I aligned the belt, but I guess I didn't. Now it won't cranks but won't start. How do I fix the timing issue? mark on Crank is ...
3
votes
2answers
474 views

honda accord 1997 2.2L timing belt

I took off the timing belt and balancing belt before finding top dead center what can I do to get everything lined up before I put belt back on
4
votes
0answers
88 views

What would cause the cam carriers to shatter on my BMW 3 Series (2011)

The timing chain has stretched and the cam carriers have shattered after only 72,000 miles. What could cause this? I have found out that the car was mapped/chipped by the previous owner. Have no idea ...
3
votes
1answer
2k views

Timing Sprocket Marks Disagree with Distributor for TDC

I am in the middle of replacing my 1998 Dodge Dakota 39. V6's timing set. According to the manual and everywhere online, the camshaft sprocket dot should be at the bottom and the crankshaft ...
8
votes
1answer
11k views

Acceptable amount of slack in a timing chain with high mileage?

1995 Chevy S-10 Blazer - 4.3 L Vortec V6 (vin W with PCM) - 230,000 miles original owner. FWIW, this model car/engine does not have timing chain inspection and/or changing as part of the routine ...
3
votes
2answers
2k views

What is Variable Valve Timing technology?

Recently when I visited a car showroom the salesman pitched the car by saying it has VVT technology which is superior compared to other cars. I researched and found out that it alters the valve ...
3
votes
1answer
1k views

Diagnosing pinging issue in 2003 Nissan Sentra

While under load, the engine sounds like there is a bunch of marbles bouncing around in the engine. Revving the engine in neutral does not create the noise. Filling the gas tank with 93 octane instead ...
0
votes
0answers
20 views

95 Honda civic reset timing [duplicate]

Recently did a head gasket change and once it was done found out the engine didn't want to start anymore. Diagnosed it a bit, and found out the timing was off about a tooth on the cam gear. I was told ...
4
votes
2answers
19k views

95 Honda civic timing marks

I have a 95 Honda civic with a D16Z6 engine. I was trying to check the timing on the car, and wanted to get the engine to TDC. There were a few marks on the cam gear. There was no up pointing arrow, ...
3
votes
1answer
3k views

What is the direction of rotation of the motor?

On 2005 Chev Classic 2.2 Ecotec, what direction do I need to turn it after replacing timing chain? I want to know what direction the motor rotates clockwise or counter-clockwise (anti-clockwise) when ...
2
votes
2answers
13k views

Does timing jump cause engine replacement?

Does timing jump cause engine replacement? =========================================== My TOYOTA Camry 1999 was driving OK. I do check under the hood on and off, I did not do that check for awhile. ...
11
votes
4answers
9k views

Why would a water pump be run off of the timing belt?

I drive a 1999 Chrysler 300M, V6 3.5L engine. I am about to start a water pump replacement repair. I've discovered that the water pump is driven off of the timing belt, rather than either of the two ...
4
votes
2answers
29k views

4 stroke valve timing diagram: if valves are open during TDC, wouldn't they hit the piston?

I am studying valve timing diagrams. Many of them show something like (for instance) the exhaust valve stays opens till ~20 degrees after TDC and the intake valve opens ~12 degrees before TDC. Wouldn'...