All Questions

6
votes
0answers
93 views

2009 prius front grill fans blowing air out

I have been having trouble with my ac blowing hot air at low speeds, and found my fans on the front grille are blowing air outwards instead of into the engine compartment. Im hoping its an easy fix, ...
6
votes
0answers
112 views

Th400 Transmission help

I pulled my Th400 out of my K20 Chevy and I'm in the middle of rebuilding it. I was reassembling it and when I went to put the completed gear train assembly in it, the centre support assembly gets ...
6
votes
0answers
509 views

Audi A6 C6 on board computer is off

I'm not sure if it's something wrong with on-board computer or I just don't know how to turn it on. When the car is started the display is completely off. and only turns on sometimes when some kind of ...
6
votes
0answers
210 views

1993 Merc 300SE always stalling soon after startup, fuel pressure tests > 50psi

From the moment car starts to the moment engine stalls, which is about 40 - 60 seconds, fuel pressure is always above 50 psi. Can I safely conclude stalling is not caused by fuel system problems? I ...
6
votes
0answers
157 views

Idle drop in 1991 Buick Park Avenue

I have a 91 Buick park Ave that is experiencing these symptoms. When starting from a cold start the engine will turn over, reach around 1000 rpm, then die. When applying gas and turning the key the ...
6
votes
0answers
196 views

What causes an engine idle to increase briefly?

I have an 82 Honda 450 Nighthawk motorcycle that I'm rebuilding and I need to tune/balance the carbs. I have them bench-balanced and reset the idle screw on both. Now it runs a lot better, but every ...
5
votes
0answers
4k views

Non-zero voltage on camshaft position sensor power wire without main relay. Is there short somewhere?

I have been troubleshooting Camshaft Position Sensor no-start issue in this thread for my 2007 Chevrolet Aveo. Long story short - in one of the answers it was suspected that camshaft position sensor ...
5
votes
0answers
106 views

Clunking noise from dash of 2005 Ford Explorer

All of a sudden there is a loud clunking noise coming from the dash of my 2005 Ford Explorer. Observations It definitely sounds cyclical. Exists only when climate control system is ON. Sound ...
5
votes
0answers
65 views

Need to find out which type of radial shaft seal I have

I am repairing the coilover of a Yamaha XT600 2kf and I need to replace a radial shaft seal. Unfortunately I have not been able to identify the exact type of seal this is. I have only been able to ...
5
votes
0answers
153 views

How much oversize should you target when choosing a throttlebody?

This is in addition to my previous question about throttle bodies. I know it may sound a bit subjective, but I think it has a clear technical aspect, and I have done a considerable amount of homework. ...
5
votes
0answers
72 views

Can radio communications be fully disabled in a Tesla?

Can radio communications be fully disabled in Tesla vehicles like the Model S ? I guess this question has two parts: software disablement and hardware disablement as follows: (1) Software ...
5
votes
0answers
55 views

Lincoln MKX 2013 Front Bumper Mystery

I purchased a certified 2013 Lincoln MKX on 9/14/15. I noticed cracks in the front bumper 2 weeks after purchasing this car. The front bumper has been replaced 4 times since and is still cracking/...
5
votes
0answers
87 views

2002 Honda Civic, will not start without maintenance override procedure?

I have a 2002 Honda Civic. This vehicle has been running great for a long time. Right now if I want to start the car I have to use the maintenance override procedure: Push the reset button on the ...
5
votes
0answers
160 views

Chevy Malibu 2009 coolant sensor

I have a problem with my malibu, I got a code on the obdii reader as though the coolant temperature reading is not correct, so in the car lcd on the instrument cluster I can see Coolant temperature : -...
5
votes
0answers
358 views

Hard Start 2007 VW Rabbit 2.5L

Warm weather (above 50F/10C) after sitting awhile car needs to be cranked 5+ seconds or more. Definitely air in fuel line as about 1/2 mile down road car stutters for a bit. Every time. Cold weather ...
5
votes
0answers
1k views

1998 Nissan Sentra (automatic): Hard/No (Re)start, Intermittent Stalling, Jerky Acceleration

In an attempt to be as detailed and thorough as I could be in order to correctly and potentially definitively diagnose the issue(s) plaguing the vehicle in question, this post is very long. ...
5
votes
0answers
740 views

How to test if turbo is properly working in a 2006 Forester XT

I recently had my Forester engine serviced and afterwards it didn't feel like I was getting boost and was getting a whirring/spinning noise while throttling. I brought it back and they realized they ...
5
votes
0answers
122 views

engine runs rough for ~1 min, then starts ticking for a couple minutes, then fine

Vehicle: 2003 Kia Sorento, 193k miles It started ticking 3 weeks ago while the wife was driving. I test drove it, and the ticking quieted down to no tick over the day to and from work. I drove it ...
5
votes
0answers
36 views

2004 Saturn Ion Quick Connect from OEM

I've purchased a new radiator for 2004 Saturn ION and it came with quick connect fittings. My oil cooler lines require thread connect. Is there a way to switch them to quick connect, or is there a ...
5
votes
0answers
142 views

Judging self adjusting clutch reserve

I was told that the position of the protruding adjustment springs (indicated in red on the picture) can indicate the thickness of the remaining clutch lining. Is that true and can somebody estimate ...
5
votes
0answers
2k views

Steering wheel/gas pedal vibrations after new tires and wheels

I'm familiar with SE but new to the Mechanics side of the site. Anyway, I bought new wheels and tires for my 2005 Mazda 3 S hatch back in June. I upgraded the then-current "MB" brand 16" aftermarket ...
5
votes
0answers
1k views

Why is my drive axle clunking when I first accelerate or release the pedal?

I recently replaced my drive axles and my passenger side clunks when I first accelerate or decelerate. It also clunks when I let it coast at a low speed. Pushing on my brake stops it. I'm thinking it ...
5
votes
0answers
323 views

Corolla rumbles at 2800 RPMs but not higher

I recently bought a 2013 Corolla LE (automatic transmission). I am noticing that the car starts rumbling at 2700 RPM and stops rumbling at 3000 RPM (maximum rumbling at 2800 RPM) when speeding up and ...
5
votes
0answers
816 views

Difference between FMS and OBD

What is the difference between FMS and OBD. Whether OBD is a standard or protocol. Recently I am working on a GPS device to tap the CAN bus in order to integrate with our fleet management system. In ...
5
votes
0answers
3k views

Diagnosing oil consumption on Nissan VQ35DE (350z / G35)

I have a 2004 Infiniti G35 6MT coupe. Nissan VQ35DE engine with a bit over 156,000 KMs (about 96,000 miles). Since I bought it, I've noticed some oil consumption at a rate of about a litre every 4,...
5
votes
0answers
7k views

2006 Jeep Liberty - AC clutch won't engage

The AC clutch on my Jeep Liberty 2006 won't engage. Here is what I have checked so far. Fuse 14 in the passenger cabin 21 in the engine compartment are ok AC relay ok When I jump the AC relay I ...
5
votes
0answers
364 views

How do you compare two ECU maps

I want to update my ECU mapping on my motorcycle to the latest one supplied by the manufacturer, but I'd also like to see what changed before doing so. I downloaded what was on the bike ECU and also ...
5
votes
0answers
1k views

Citroen C3 - Passenger Doors Fail to Open

I have a Citroen C3 and all passenger doors will not open. I have reset the immobolizer, pressed the lock buttons inside the car including child locks button, replaced the driver door central locking ...
5
votes
0answers
76 views

2000 Ford Taurus ABS reluctor ring grinding on lower ball joint

My Taurus started to make a grinding noise in the front. When I looked at it I could see the ABS reluctor ring was grinding on the lower ball joint. My plan is to replace the axles/reluctor rings, but ...
5
votes
0answers
361 views

Passanger door central locking not working properly

I have a 1998 Hyundai Elantra 1.6 GLS and I'm having problems with the central locking. When I lock the car the passengers front door does not lock properly and it only locks half way but does not ...
5
votes
0answers
113 views

GM 4L60-E Rebuild Questions - Part 1

I am in the process of rebuilding my first 4L60-E (I've done a 4L30-E before) and I had a couple questions. 1st: In terms of the input drum pistons I know there are both aluminum and steel models, ...
5
votes
0answers
126 views

Is a parallel 4 link safe compared to a triangulated 4 link?

After researching the topic the closest article I've ever been able to find was written by Ridetech: "What’s the difference between a triangulated 4 link and a parallel 4 link?". However, a concern ...
5
votes
0answers
52 views

No fuel pressure

97 Ford f350 7.3 turbo with duel tank set up ..... I need to know a few things. 1) what can cause no fuel to pump into the fuel bowl, other than the camshaft and the mechanical fuel pump? 2) with a ...
5
votes
0answers
125 views

2000 Mercury Marquis Check Engine Light Issue

I have a 2000 Mercury Marquis. When the temps were -20+ I went out and started the car often letting it run at 20 minute intervals. On the last day of the cold spell the check engine light stayed on. ...
5
votes
0answers
95 views

Power steering works normally to one side, but hard to the other

My Ford Mondeo was leaking from the steering rack. So it was repaired by a steering specialist. After about 1,000 kms it steers smoothly to right but when turning towards the left it feels like there ...
5
votes
0answers
401 views

What will upgrading the Camshaft do to my BBC 454?

I have been told that upgrading the Camshaft in my GM 454 will increase performance. What will this do exactly and what will the engine actually gain? 10069286 block casting 454cu '90-'91 MY, Mark IV ...
5
votes
0answers
125 views

Formula For Homebrew Gasket Remover

I looked around many shops in my area, and pretty much no one even knew what gasket removing compound was. Are there any effective homebrew formulas for making gasket remover / softener? I found the ...
5
votes
0answers
536 views

1995 VM Jetta/Vento - ECU pinout for my car

I own a 95 Vento GL (Jetta for the american market), with an 1.8 8v, 90hp ADD model engine. The ECU for this model is marked with part number 037 906 021A. I have checked with VAG-COM software and it ...
5
votes
0answers
106 views

Ford Expedition knocking and repeated spark plug wire failures

Is this the underlying problem or a symptom of something else? I have a 1999 Ford Expedition that has a knocking and pinging problem. Two different mechanics have narrowed it down to the ignition ...
5
votes
0answers
594 views

Evap. circuit malfunction on Mercedes Benz

I have a 2002 ML320 suv. The CEL is on, and the code is P0446. It states that there is something wrong with the evap. system circuit, specifically at the charcoal canister shut-off valve. I've tried ...
5
votes
0answers
103 views

What's this strangely marked control on my Eclipse?

My 1995 Mitsubishi Eclipse, and presumably other Mitsubishis of the same era, has a control over by the rear windshield wiper control, near the center vents. It's got 2 pictures of a person sitting. ...
5
votes
0answers
717 views

Car stalls when shifting from reverse to forward

On a 1994 Jeep Grand Cherokee, I'm seeing the vehicle stall occasionally after I back out of my driveway (~40 feet) and shift into forward. It doesn't exhibit the problem every time, but it seems to ...
5
votes
0answers
69 views

96 Suburban intermittent falter/stall immediate restart

96 GMC K1500 Suburban. Falters/stalls. Intermittent. So far low speed/parking lot acceleration from stop. Also deceleration low speed as in coming to stop. Radio cuts in and out around the time of the ...
5
votes
0answers
2k views

N15 Pulsar Crank Angle Sensor replacement

My wife has a 1999 Nissan Pulsar (N15) which lost power and died a few days ago. It was towed by the RAC to a workshop which diagnosed the Crank Angle Sensor. The estimated cost to fix is AU$700, ...
4
votes
0answers
25 views

Defective car or bad windshield repair?

I have a 2003 suzuki xl7. When my windshield got cracked by a stone on the highway, I had it replaced. It cracked at the corners and I got it replaced again. Same thing happened where cracks came in ...
4
votes
0answers
81 views

Weirdest power loss pattern

I've a CDTI Opel Meriva from 2003. It started having this weird issue 2~ years ago and it hasn't really improved or worsened, but I've taken it to the official Opel service and various mechanics and ...
4
votes
0answers
57 views

Why would the same ignition coil fail 4 times in my 2012, 5.3 Silverado?

The first one failed at around 90K miles, the second around 130000K, the third around 165000 and again this week at 167000K. I've changed spark plugs and plug wires. Always the same cylinder and the ...
4
votes
0answers
48 views

Use electric vehicle as a mobile power source

I have a mobile car-wash company and I want my guys to have a fully 220V (2000W-3000W) power outlet available to plug their vacuum cleaners into. I thought I could buy an electric vehicle to "...
4
votes
0answers
104 views

Squeal on start up and turning left

I have an 87 Ford Bronco with a 5.0. There is a loud squeal on start up and when turning left. Not a power steering pump squeal. Much louder. And it's a ticking squeal. Not a constant squeal. The two ...
4
votes
0answers
56 views

What is this fabric tube that flew off of Chevy Traverse undercarriage?

My cousin was leaving her driveway today when she heard a loud pop and a hiss that made her think that she blew a tire. She found this tube made out of fabric that appears to have shot off from ...

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