Questions tagged [timing]
The timing tag has no usage guidance.
75
questions
1
vote
1answer
28 views
Crankshaft timing belt
I’ve been trying to loosen my crank shaft pulley to get to my timing belt and water pump. Well I couldn’t find a tool to do it with so I got a air impact and didn’t think it was working and it turned ...
0
votes
0answers
65 views
Timing marks way off
1995 Nissan 6cyl. 3.0
Tried to get truck smogged. Did not pass timing test as the marks on the flywheel were not even in site. The truck runs great, you can hardly feel the idle. nice and smooth, ...
1
vote
2answers
51 views
Setting distributor correctly
I just got my engine back from the rebuilders.
1965 Pontiac 389
They have crank timing Mark at tdc on the front pulley.
The distributor is not installed.
The problem is that I don't know if piston 1 ...
3
votes
1answer
40 views
Timing belt specification
I'm looking for the timing belt specification for my 1999 Subaru Legacy Outback. I need the number of teeth that are supposed to be between each mark, as my (replacement) belt came without the white ...
2
votes
1answer
24 views
2002 Saturn V6 L300 installing a timing belt
How many revolutions are required to hand crank a timing belt from Top Dead Center to Top Dead Center?
1
vote
1answer
23 views
Does my 1995 Cadillac incorporate ECM
I own a 1995 Cadillac. Does it incorporate a module that adjusts ignition timing for octane?--At what interval?
0
votes
0answers
25 views
Pull start fuel injected motorcycle/car injured or not?
A lot of time I heard from some people that pull start fuel injected motorcycle or car injured engine by shifting the time of engine or confuse EMS(Engine Management System computer) because tires ...
0
votes
1answer
88 views
Kia Spectra 2008 LX timing belt
This car's maintenance history says it was serviced by Kia dealer at 70K in 2015. All other belts look new. When i opened the timing cover, belt looks like attached picture. Now it has 104K. Confused ...
1
vote
0answers
23 views
Obnoxious squealing when starting truck and when accelerating from a stop
My 2000 Mitsubishi Montero Sport LS 4x4 has been making a nasty squeal when starting it and when I accelerate from a stop. I'm not sure exactly what is causing it. The water pump, timing belt, and ...
1
vote
1answer
19 views
How to time a 2001 Saturn 2.2liter DOHC?
I had a weird problem. Drove the car two minutes up the street to a gas station to get air in the tires. It is literally two minutes. Car ran fine. No problem. I shut it off. Got out to pump the tires....
1
vote
0answers
25 views
Optimizing temperature and spark for horsepower
I recently completed a heads+cam project on my car to increase horsepower. I ended up falling about 50hp short of my goal, and am looking for every little knob I can turn to eek out that last little ...
0
votes
0answers
156 views
09 Citi golf 1.4i timing jumps around
I checked my timing but its not stable when i check it with the timing light, the v-notch is mark is jumping , a little bit in front of the mark then on the mark and then after the mark and carry on ...
3
votes
0answers
45 views
Making a Poor Man's Water Injection System
I was just reading this article on water injection systems and they made an interesting comment:
Note that it has been suggested in some circles that the water can be
directly added to the petrol ...
3
votes
1answer
340 views
Does the number of teeth on a reluctor wheel matter? (crank position)
A little background: I have a project car with an EFI system from 1985 where TDC is (apparently) measured by a little gear in the distributor. I'm slowly switching over to an aftermarket ECU that ...
1
vote
1answer
61 views
2002 Chrysler Voyager 2.4 L stopped running
I replaced the water pump, timing belt, timing idler pulley and tensioner pulley and all the belt on an 2002 Chrysler Voyager 2.4L (interference motor). It ran great for few day until a few days ago ...
1
vote
1answer
438 views
Timing chain issue
I'm working on a 2002 Ford Explorer XLT 4.0 2WD 6cyc SOHC gas
And I just so happened to break the chain tensioner, yup. You heard it right. As if I didn't hit enough stripped bolts along the way. The ...
1
vote
0answers
1k views
What is normal timing advance as seen from my ECU via OBD2?
I am looking for help with my timing advance. I have just got the Torque app and am reading the data from my Ford Fiesta WS Petrol 1.6L 2010 model. This is the graph here. As you can see, RPM is ...
1
vote
2answers
100 views
Did my mechanic break my car?
I recently brought my car in for a 175k recommended maintenance (oil change) and when about to drive out of the dealer i heard a loud knocking sound from the engine. I asked them to keep the car and ...
1
vote
0answers
57 views
New plugs, but problems starting (not firing on all cylinders) and poor fuel economy?
Car is a '93 Mk1 VW Cabriolet, 1.8lt injected.
The car has had trouble starting - feels like only some of the cylinders are firing. If I rev the engine a little the problem goes away after a few ...
3
votes
2answers
585 views
2011 f150 ecoboost timing chain and valve train
Looking to find the book rate for how many hours labour to change full timing set including vct's, chains and intake cams 3.5l ecoboost
0
votes
0answers
39 views
Wiring an advancer to an ignition coil
An image for reference:
Ignition Coil Leftmost (1 pin)
Advancer second from left (1 pin)
Gearbox second from right (4 pin)
Battery Rightmost (4 pin, Positive, negative and a loopback)
I have ...
1
vote
0answers
2k views
Coleman ct100u engine, no start
Verified igniton system is good, cleaned and gapped plug. The engine is is essentially pushing out gas from the carb side and not wanting to start, I don’t know what else to add I’m not really ...
4
votes
1answer
357 views
98 Mazda 626 GF 2L ATX zero ignition timing at idle?
My 1998 Mazda 626 GF 2L ATX has zero ignition timing at idle when fully warmed up causing a rough idle condition. I've replaced the faulty O2 sensor with no effect on the retarded timing and replaced ...
2
votes
1answer
8k views
When to replace the timing belt on a 2015 VW Golf TDI
I own a VW Golf TDI 1.6 Mk7 (2015) Odometer: 82,000KM. I would like to know at what Odometer reading should I change the timing belt/chain.
2
votes
2answers
529 views
Motorcycle: fuel and spark but no ignition?
I inherited a '79 Yamaha XS400 (2 cylinder, 4 stroke, air cooled, SOHC, duel carburetors).
The timing chain had broken so I replaced it, setting the timing at the same time.
I cannot start it. The ...
2
votes
1answer
24 views
1992 Fox Body 5.0
My son has a 92 Fox Body Mustang with the 5.0 Ford engine. We’re having problems setting the timing. The timing marks for coming up underneath the car rather than on the timing gage. We pulled the ...
0
votes
1answer
329 views
What's the best approach to install new Timing Belt that's 1/2 a tooth off
Sherpa 1979 17v "o series" engine petrol 1700
Hi, Sometime back I replaced a new timing belt. Timing marks were lined up accurately only to find that the belt was 1/2 a tooth out. I figured this ...
2
votes
0answers
454 views
Slipped timing belt. Can hard cranking an engine with cam timing way off likely cause valve damage?
I have a 1979 Austin Sherpa with an "O Series" 1700 petrol engine.
Engine was running great before I replaced exhaust/inlet manifold and an SU Carb. Then it just wouldn't start. The engine was ...
1
vote
0answers
373 views
2005 Chevy Classic (malibu) with loose timing chain/broken guide?
Heard a knocking noise I feared was rodknock. Took it to the mechanic and they spent an hour looking at it and said the timing chain is loose and the guide is broken and separated from the bracket.
...
1
vote
0answers
65 views
2007 MX-5 - Motor will not turn fully after timing change replacement
I recently replaced my timing chain, tensioners, guides, waterpump, etc. I felt like I followed the instructions properly. When I attempted to start the car once complete the engine would not turn ...
1
vote
3answers
4k views
Why would a PCM / ECU retard timing at idle?
I'd like to understand better the reasons that a PCM / ECU would decide to retard timing at idle.
I'm aware of the following:
knock
noise similar to knocking picked up by the sensor
a defective ...
0
votes
2answers
736 views
Oil Leak at Upper Timing Cover BMW X5 2008
I have a 2008 BMW X5 4.8i (V8 engine) with 85,000 miles. The car runs well, and it had no check engine light when we handed over the keys.
I just took it to get it serviced at a BMW specialist ...
1
vote
1answer
67 views
proper time for changing timing belt
Is it recommended to wait until it reaches the recommended mileage before changing the timing belt even if it is already 3 or more years
1
vote
1answer
574 views
How is the timing belt changed on vehicles with no timing marks?
My mechanic was changing the timing on 2010 Hyundai Verna which has a 1.6 DOHC, the timing belt is attached to one cam gear and those cams are connected by a chain from the other end. While an ...
1
vote
0answers
1k views
Adjusting the timing of a distributorless Toyota 4E-FE engine
I have a 1998 Toyota Corolla complete with a 1.3 4E-FE engine. As far as I can tell this is the 2nd generation 4E-FE engine with a distributorless set up. I'm in the process of modifying the car as ...
1
vote
1answer
168 views
Timing issues in a MK 3 Volkswagen golf
My friend has a MK 2 Volkswagen golf with a MK 3 2.0L SOHC engine swapped in it and it runs of a charge distributor. He complains about having timing issues after a mechanic twisted his charge ...
3
votes
2answers
4k views
1600cc VW Aircooled Engine Backfires with no power when hot
I'm working on a custom built trike based on a 1600cc Air-cooled VW engine.
I'm a specialist auto-electrician and these engines are a bit before my time so I'm struggling to work out what is wrong.
...
0
votes
1answer
43 views
Do ignition coils on small motors (lawn mowers etc) determine timing?
I have a Stihl weed whacker for which I haven't been able to find an appropriate ignition module (coil). I purchased one for a similar model that would fit and now the whacker has spark again, however ...
2
votes
0answers
78 views
Spark timing advances as engine gets hot
I bought a timing light to check my spark timing; my vehicle is a 93' Mazda Miata and I am rotating the Cam Angle Sensor to advance or retard my timing. When I first used my timing light the engine ...
6
votes
1answer
921 views
High vacuum pressure on idle after timing gear and chain replacement
I just got my 1980 Chrysler LeBaron 318 V8 back from the mechanic, who replaced the timing gears and chain, which were the originals and very worn.
Soon after leaving the mechanic, I noticed my ...
1
vote
1answer
553 views
2004 Kia Sedona 160000 miles Timing Belt Replacement
I have a 2004 Kia Sedona LX with 160000 miles on it. I am going to be changing out the Timing Belt. It will be the Car's second one. What do you recommend I replace while I am inside? Water Pump? ...
4
votes
0answers
532 views
Timing chain cover gasket
I posted a few weeks ago about cooolant leaking from the timing chain cover of my 2002 Corolla:
Corolla - Coolant leaking from timing chain cover
I went ahead and started to do job: removing the ...
2
votes
0answers
1k views
Timing related on 2000 Ford Excursion 6.8 Liter V10
Kind of a lengthy question. I had to pull the cylinder heads in order to repair exhaust manifold bolts that were broken. Unfortunately, I was not able to do it from the wheel wells. Before starting ...
2
votes
0answers
114 views
honda accord 2000 lx valve chatter
Timing belt was replaced and now there is a noticeable valve noise at 1600-1900 RPM. No noise at idle. Once you hit 2000 RPM and above no noise. Power is good across RPM band.
Checked valve ...
7
votes
2answers
355 views
How much can sub-optimal octane affect efficiency or power?
Suppose a production fuel-injected engine is tuned for 93 octane fuel. As I understand it, the engine can still run on lower-octane (i.e., less knock-resistant) fuel, but it will pull timing to avoid ...
12
votes
3answers
5k views
Strange noise from timing belt area
I just changed the timing belt and water pump on my 98 Mazda 626.
After I got everything reassembled I started up the engine. I had been running the engine for a few minutes, revved it up to around ...
5
votes
1answer
6k views
Properly Aligning My Timing Marks
I've run into an interesting dilemma. I'm doing my timing belt / water pump on my 98 Mazda 626 2L and am at the point of putting the belt back on, but something has come up.
I checked my timing ...
4
votes
3answers
11k views
how to determine TDC after bottom end rebuild
here is my question, i want to know how to find TDC on compression stroke, the only problem is how do you find it without the cams or valves(they would have been taken off and then put on again ...
2
votes
3answers
16k views
How do I determine if I am on 1 or 6 at TDC?
The crank has been turned since the timing gears were installed. The distributor is out of the engine. I still have to put the push rods in.
How do I determine if I am on 1 or 6 at TDC?
8
votes
1answer
504 views
Why are these paint dots under the timing belt cover not consistent?
I am about midway done with changing the timing belt & water pump on my 1999 Toyota, which features a 6-cylinder 5VZ-FE engine. After getting the front timing cover off, I discovered that there ...
