Questions tagged [camshaft]

A shaft in an ICE that actuates components that open valves into the combustion chamber to allow the flow of necessary gasses in order for a combustion process to function.

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24 views

New cam sensor - car won't start (Tucson 2006 diesel)

I own a 2006 Hyundai Tucson CRDi 2.0. Starting the engine has become slow recently, and the shop diagnosed it to a bad camshaft sensor. I bought a new one and replaced the old. With the new one in ...
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41 views

5L vortec won’t start

Ok, so I hope this doesn’t seem like a stupid question. Take away all logical scenarios and just answer in theory. If a timing chain could jump exactly 180’ would the intake and exhaust valves reverse ...
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137 views

Vauxhall Corsa 2013 with rough idle - P0016 and P0017

I have a 2013 Vauxhall Corsa 1.2 Petrol that is suffering from rough idle. It has 48k miles on it. It previously suffered from the same issue and showed OBD code P00171. This was resolved by ...
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57 views

Second hand camshaft from another bike - is it safe?

I slightly demaged one of the two threads used on the inlet camshaft for mounting the sprocket. To fix this problem I have purchased a second hand camshaft together with its caps (same bike model, ...
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Chevy 350 cam break in

Can I use a synthetic oil when breaking in my flat tappet cam? I’ve been to every auto parts store around me and can’t seem to find anything but synthetic. Bought a few qts of royal purple and some ...
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38 views

Chevy 350 fuel pump pushrod/lifter

this might be a stupid question but do I have to replace the mechanical fuel pump pushrod/lifter like a normal lifter when swapping in a new cam?
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55 views

How many book hours to replace the roller cam in 1999 Chevrolet

How many book hours to replace the roller cam in 1999 Chevrolet Silverado with 5.7L auto, power steering air condition Butch
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61 views

Should valve pair open and close at same time?

My Audi A5 had some bent valves after the chain tensioner broke. I have replaced the bent intake valves and a single broken rocker arm. When I reassembled the top, I noticed the first pair of valves ...
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107 views

Timing belt issue

I recently got a Mitsubishi L200 Trojan K74 4D56 2006, and after getting through its MOT, I decided to do full service and change belts etc. I followed instructions from the workshop manual http://...
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I have 2011model John Deere D110, 186 hours

Deere service dept. says needs camshaft repair, price $900. Mower has been serviced by Deere yearly. I'm wondering if anyone has experienced a problem like this one, and what did they figure out....
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101 views

BMW 118i (2006), Car stopped in Midde of the road and won't start

Had frequently many problems with car. I will start with the noise coming from the engine when it was cooled down(especially in the morning). Once it get warm the noise faded away. Few months ago it ...
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59 views

Does the crankshaft revolution count matter relative to combustion stroke?

I have a single cylinder engine with overhead cams. If I set the crankshaft/piston to Top Dead Center (TDC) with the cams set to the compression stroke, would it make a difference if I were to rotate ...
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118 views

Will deleting the gear-driven pump for power steering and vacuum on this diesel engine put the camshaft journal at risk of failure?

I took a 1989 Dodge Cummins diesel engine out of a pickup truck and I’m using the engine as a stationary power source. The combined power steering + vacuum pump has developed an engine oil leak, and ...
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514 views

Can I rotate a camshaft backwards on a Toyota DOHC engine if no timing belt is installed?

I recently had to change the water pump on my 2002 toyota sienna. Since I was in there I also changed the timing belt. I've done this before on other Japanese cars, but this one involved taking off ...
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141 views

Replace top of engine or entire engine block? Suzuki gn250 (overheated engine)

I have a suzuki gn 250 motorcycle (1997) which had an oil leak recently (rocker cover seal was leaking) causing the engine to overheat which in turn caused damage to the camshaft/camshaft bearings. ...
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Vehicle not doing slow running

My highlander 2004 slow run is fine before taking for repair on the vvti cam shaft replacement.this was meant to correct the rattling or knocking sound from the engine v6. Firstly the mechanic ...
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74 views

P0022 after fixing P0348, camshaft related

Vehicle: Toyota Tacoma 2006 V6, 155K mi Problem: I had OBDII Code P0348: Camshaft Position Sensor A and fixed it by replacing the broken camshaft position sensor. However, the check engine light didn'...
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153 views

OBDII Code P0348: Camshaft Position Sensor A

Last night, the check engine light went on on my 2006 Toyota Tacoma with 152K miles. When I got home, I plugged in my OBDII code reader and got Does this mean I just need to replace one of my ...
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63 views

Cracked on i20 camshaft?

Are those markings, tampered or cracks on the picture of Hyundai i20 camshaft normal???
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06 Toyota Avalon Sensor positions

Looking for help diagnoising a couple issues with my Avalon. I have some codes coming up, bad crankshaft sensor and bad camshaft sensor. I also have the cel, vsc, and trac light on. I tried replacing ...
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37 views

Camshaft Sensor Position problem or Oil Related problem

I have a 2014 VW Jetta SE. Recently my engine began making an off and on Growling noise while driving around. At the same time, my engine light came on. Took the car to get checked and the reading ...
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60 views

Chysler Town & Country Cam Shaft and New Engine

I took my 2014 Town and Country in for rough idling and check engine light and got a diagnoses of 5th cylinder no compression. Ultimately it was suggested I should consider a new engine. Now it turns ...
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Fitting rear cam to a pulse. System

How to wire rear cam into reverse light on Corsa 3014 But the wiring is the pulse that we have to splice into
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46 views

Cam phaser on 2008 Impala 3.5

I'm getting ready to rebuild this motor and don't have experience with cam phasers. When taking the cam phaser off and reattach after rebuild, do I need to do anything specific to make sure there are ...
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971 views

When should assembly lube be used?

I will be opening up the top of an engine to clean the ticking lifters. To do so, I have to remove the camshaft. I have seen several people use assembly lube on the camshafts lobes and 'fixation ...
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167 views

Assessing the condition and wear on camshaft

Does this lobe looks worn? I’m trying to assess the condition of the camshaft.
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505 views

How to set cam timing from scratch for Honda RFVC, DOHC, four stroke?

I'm doing a full engine rebuild on an Honda GB250 clubman, RFVC & DOHC four stroke. I would like to know how to set cam timing from scratch?
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489 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 ...
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2k views

I cannot find TDC window on Jetta 2013 2.0 engine

I'm fixing my father-in-law car, Jetta 2013 S 2.0, and I'm in hurry since I need to fix before he come back on Dec 29th. I really appreciate for everybody input. The car has bad camshaft position ...
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7k 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 ...
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3k views

How should Camshaft Position Sensor output look on oscilloscope?

My Chevrolet Aveo 2007 had P0340 code and crank, but no-start condition. I bought a replacement camshaft position sensor. The P0340 code is not there anymore, but the car still does not start. First ...
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How many Watt Hours are consumed to jumpstart car?

I bought one of these portable jump starters. This one says in specification that it can start a big 6L gasoline engine up to 12 times on a single charge. Simple math implies that each jump-start ...
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Chevrolet Aveo won't start (codes: P0340, P2106, P2110, P2101)

Two months ago my Chevrolet Aveo 2007 had intermittent interior and exterior light flickering problem that was especially noticeable while idling or driving at low speeds. Also, one morning the car ...
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763 views

Timing chain replacement and the CVVT system

I have this KIA Cerato "Forte" 2010 with an G4FC DOHC 16V 1.6L MPI with a single CVVT on the intake side. I'm changing the timing chain, tensor and the two sliders, I thought it is a simple ...
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4k views

P0017 after oil change

I have a 07 Cadillac CTS. I got my oil changed on Saturday at a Valvoline oil change shop, didn't drive Sunday, then on Monday my check engine light came on and the car now accelerates slowly. The ...
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117 views

What would happen if you tried to start an engine with the cam gears meshed

What would happen in the case that someone tried to start an engine like this: My guess would be, if the starter has enough torque to overcome the strength of the cam gear teeth, it'd wreck the cam ...
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986 views

Steel for crankshaft's / camshaft's woodruff key

I have a new little problem with the engine I'm rebuilding (Skoda 120L '70s, RWD, RME): after milling, adjusting and cleaning the crankshaft, camshaft and pulley I found out that their woodruff keys ...
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514 views

Nicked cam journal - how bad is it?

I was pulling the valve cover off my 2004 Volvo XC90 T6 to reseal it and found this nick in the head in the camshaft journal. The cover is pressed onto dowels mounted in the head and naturally when ...
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128 views

Which are the MX-5 B6 engine camshaft specifications?

I repair my car (mx5 mk1 B6 engine 1992) recently by swapping the cylinder head with another used one. After the operation, the car won't run. Tries to start a combustion while you crank but stops and ...
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726 views

Valve lifters hitting camshaft when hand cranking

I have a 2000 Chevrolet Malibu 3.1. I changed the head gaskets the intake manifolds and the valve stem seals. Before starting the engine and putting everything 100% back together , I wanted to make ...
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881 views

Can the fuse cause my fuel pump not to turn on or is it the camshaft sensor that doesn't let my fuel pump to turn on?

I have a 1998 Ford Explorer that does not start cranks but doesn't start. I've replaced the starter and battery so far. After replacing that it didn't want start just cranked. I thought that it may ...
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1992 Ford F-250 4x4 5.8l 408ci stroker tuning questions

I have a 1992 Ford F-250 4x4 w/a 5.8l blocked 408ci stroker attached to a ZF 5 speed tranny running 3.55 gears. On the engine sits a set of 64cc chambered, 190cc intake runner, 70cc exhaust runner, 2....
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143 views

Camshaft sinks too much into block: add spacer washer at its end?

While I'm rebuilding my old Skoda Estelle engine I got this new issue: I have found a better engine block that I want to use, however the camshaft I have from the other block, sinks too much when I ...
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Why is there a difference in timing belt replacement intervals between two countries

Specifically, the Subaru WRX sold in South Africa and Australia is 100% identical. And I mean that South Africa gets the Australian version of the WRX, there's no homologated version for SA. Well, ...
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How are rotary valves sealed

I have been looking for information on how rotary valves are sealed, but have not had much luck. Coates has engines with them, and they are oil less to boot or so they claim, but how do you get them ...
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1k views

Triangular Wear Pattern on Edges of Cam Lobes

While I had my valve cover off I noticed that all my cam lobes of this triangular indentation or something: Anyone know what this is? Is it a feature or a bug? Normal wear?
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What exactly is a jackshaft?

The Wikipedia entry for the Ford Cologne 4.0L SOHC describes the use of a "jackshaft": It uses a jackshaft in place of a camshaft to drive a timing chain to each cylinder head. Three timing chains ...
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313 views

How to re-torque a partially loosened overhead camshaft?

While doing a timing belt service on my 17 year-old, 57K-mile truck (DOHC), I was having a very hard time getting it to let go of the front oil seals on the intake camshafts.1 I eventually realized ...
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Why are these cam pulleys constructed differently?

I am about midway done with changing the timing belt & water pump on my 99 Toyota, which features a 6-cylinder 5VZ-FE engine. After getting the front timing cover off, I noticed that the passenger-...
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3k views

97 manual ford ranger throwing a camshaft position sensor code

We've replaced the computer, sensor and timing belt(not sure of we did it right). Relays are good. Truck will fire, stay running for about 30 seconds then bog down & die