Car

Ask a mechanic online and get answers to your car questions

Ask an Expert,
Get an Answer ASAP!

A local garage as it was misfiring at low revs..vacuum..timing chain…

Customer Question
Hi There Hopefully you can help...
Hi There
Hopefully you can help me. I took my car into a local garage as it was misfiring at low revs and a previous electronic test and vacuum test had revealed nothing. It's a 2.2 Vectra and I understand there are known issues with the timing chain and tensioners.

After about 2 weeks the garage told me it was an issue with the tensioners and they needed replacing. I then got a call to say the engine had seized however they claimed they had replaced the tensioner after the engine had seized! I think they replaced the tensioners and failed to adjust the chain correctly, turned the engine over and caused cylinder head damage. I want to go back to them but thought I would check with you experts first.

If you get zero compression and suspect the chain has jumped - would you replace the tensioners and turn it over (possibly damaging further) or would you investigate the loss of compression?
When faced with loss of compression what are the nexts steps, usually? Leak Down Test?
In a Vauxhall Technical Bulletin Sheet it suggests that when replacing the tensioners the belt should also be replaced - do you agree with this?
How long would it normally take to replace tensioners and adjust the timing chain? The book says 4.3hours!

I think the garage is at fault and I may have to take them to court over it as the engine is completely knackered. The have emailed me with the sequence of events (described above), but it makes no sense to me why they didn't investigate the loss of compression before fitting the tensioners, and why they thought replacing the tensioners would cure the problem if they thought the chain had jumped causing the zero compression. What do you think?
Any advice would be greatly appreciated.
Thanks
Toby
Submitted: 8 years ago.Category: Car
Show More
Show Less
Ask Your Own Car Question
Answered in 4 hours by:
6/28/2010
Auto Mechanic: Greg, Technician replied 8 years ago
Greg
Greg, Technician
Category: Car
Satisfied Customers: 7,492
Experience: 17 years Shop Owner /Technician. 27 years experience,
Verified

Hi and welcome to JA.com. I will assisted you best i can.


You most likely have a case here.

 

How many miles does the car have.

 

Have all maintenance service's been done in the pass .

 

When you went in to the Garage with the miss? did they carried out a compression test and what was the readings.

 

Has the engine sized or was it damaged due to incorrect lining up of the timing,

and started without checking, and damaged the engine due to piston and valves

clashing together.

For further assistance please let me know,
Regards Greg

Ask Your Own Car Question
Customer reply replied 8 years ago

Hi Greg

The car has done about 85k. We got the car serviced before each MOT but not always through a recognised Vauxhall dealer.

 

The garage did a vacuum test but I think this is different from a compression test - is that right?

 

They are saying that the engine had zero compression before they fitted the tensioners - which I doubt. Here is what the garage actually said:

 

'the vehicle came into our workshop for engine mis fire although it was more prominent at low reves infact is was there all the time at all reves, after checking the vehicle on our computer it came up with no electronic faults, we then checked all the vacumn air system in the vehicle all checked out okay we then inspected the egr valve which was fitted at a different garage. we then went to start the engine at this time the tensioner had seized and then timing had jumped further causing engine to lose all compression. we then advised the customer of what had happened <they didn't, I got the call after they fitted the tensioner>, we then stripped the top engine mounting cover and timing chain causing re set the timing and fitted new tensioners one for the main chain and the other one for the secondary chain rebuild and test engine still not starting due to possible cyclinder head damage'

 

Does this seem right to you? Have I got a good argument that what they did is not mechanically sound?

 

I appreciate this is just advise at the moment. If I did decide to take this further would you be prepared to write a report on their explanation (I appreciate you cant look at the car), saying whether they approached this the right way or not? How much would a report cost and do you have any formal qualifications that would impress a small claims court!!

Thanks for your help,

Toby

Auto Mechanic: Greg, Technician replied 8 years ago

Hi Toby.

 

First a engine with Zero compression will not start.

 

Vacuum test i check at the inlet manifold No Vacuum engine will not start.

 

Vacuum tests are to see how the engine is running to see if the timing valve are set correctly ect.

 

If the tensioner had seized and the chain had jumped then there is a very big chance that the valve made contact with the piston ,resulting in bent valve < no start>

 

Looks like you honestly had a problem with the timing chain thats why you had a slight misfire which was not picked up by the engine management system.

 

When the tensioner is bad the chain is not tight, and the correlation between the cam and crank will be out of time and start a misfire,

at idle when you accelerate the engine the chain get tight stopping the miss, as timing get back in time,with load on engine.

At idle chain is lose again then restart of misfire.

 

The only diagnostic fault was they just check for codes and did not go into live data to check all parameters and readings of sensors, this way a miss can be located.

 

But with the engine problem this could of happened in your own hands , as said the miss was due to the timing chain tensioner.

 

Just a shame was not diagnose earlier.

 

Kind regards Greg.

 

 

 

 

 

Greg
Greg, Technician
Category: Car
Satisfied Customers: 7,492
Experience: 17 years Shop Owner /Technician. 27 years experience,
Verified
Greg and 87 other Car Specialists are ready to help you
Ask your own question now
Customer reply replied 8 years ago

Thanks Greg - I think I follow you.

Why would they replace the tensioners and adjust the timing belt after the engine had seized? Is there a possibility that this would have cured it?

Cheers

Toby

Auto Mechanic: Greg, Technician replied 8 years ago

If the diagnostics had been a bit better i think this would not have happened .

 

This can happen to the best of us as well ..we are just human and mistakes will happen , experiance was the factor here

 

Kind regards Greg.

 

Ask Your Own Car Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with an auto mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Greg Your Own Question
Greg
Greg
Greg, Technician
Category: Car
Satisfied Customers: 7,492
7,492 Satisfied Customers
Experience: 17 years Shop Owner /Technician. 27 years experience,

Greg is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible.

CharlesWalnut Creek, CA

As a single woman, I really appreciate an excellent and affordable opinion.
Thank you Geordie, I will not hesitate to contact justanswer in the future!

SueCharleston, WV

Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff.

JimCastleberry, FL

Excellent reply, and also very quick. Really sounds like the Expert knows what he is talking about. I will be back to use your service when I need more help with my RV.

DutchUSA

< Previous | Next >

Meet the Experts:

Chris (aka-Moose)

Chris (aka-Moose)

Technician

1,345 satisfied customers

16 years of experience

Ted G.

Ted G.

ASE Certified Technician

1,754 satisfied customers

20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness

George H.

George H.

ASE Certified Technician

1,564 satisfied customers

ASE Master Tech 15+ yrs, AAS Automotive Technology, Factory trained Asian specialist

GM Tech (Cam)

GM Tech (Cam)

Auto Service Tech

680 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Amedee

Amedee

Former ASE Master Tech

2,562 satisfied customers

ASE certified tech advanced level specialist. Wisconsin certified emissions state inspector

Jerry

Jerry

Master Mechanic

2,181 satisfied customers

ASE master, 30+ years. All makes and models. Trouble shooter, shop forman, service manager

Richard

Richard

ASE Certified Technician

1,009 satisfied customers

12 years Ford Lincoln/Mercury Jaguar dealership as a technician and shop foreman reparing all makes

< Previous | Next >

Related Car Questions
Car used to miss and cut out. then all of a sudden would not
Car used to miss and cut out . then all of a sudden would not start. mechanic said that the fuel pump was faulty and had no pressure.. He replace the fuel pump which was quite expensive and the car st… read more
Gary
Gary
Senior Technician
Vocational, Technical or Trade School
100 satisfied customers
Nissan/Datsun Qashqai +2: my 2009 (09) Nissan Qashqai +2, 2.0lt
my 2009 (09) Nissan Qashqai +2, 2.0lt diesel has 133,000 miles, it broke down last week, there was a lack of acceleration, the engine wouldn't run above 3000 revs (limp home mode?), the EMC generated … read more
sprinkles08
sprinkles08
Technician
High School or GED
11 satisfied customers
mercruiser chev 305 pre vortec: Hi have a 305 carb v8. Symptoms,
Hi have a 305 carb v8. Symptoms, low manifold vac at idle, a miss that progressivly gets worse as you increase rpm, power down and the engine misses to almost a stall. Vac gauge flickers from zero to … read more
jazzmaster
jazzmaster
LEAD AUTO TECH
Vocational, Technical or Trade Scho
1,124 satisfied customers
I put my 52 plate freelander td4 in a garage for a small oil
I put my 52 plate freelander td4 in a garage for a small oil leak he said it was the rocker cover which he replaced but he can't get the car to start and said he thinks ite the tensioner the chain has… read more
Dj
Dj
Auto Failure Analysis & Inspections
High School or GED
1,360 satisfied customers
Dodge: an 08 1.9 CDTI SRI Vectra with what..alternator..ripped..garage
Got an 08 1.9 CDTI SRI Vectra with what i think are alternator issues. Various warnings come and go on dash display and also radio panel. Don't want to get ripped of by dodgy garage, what does anyone … read more
Clement
Clement
Vocational, Technical or Trade Scho
208 satisfied customers
Oil Pump Not Working On Reconditioned Vectra Engine.
I recently purchased a reconditioned Z18XE for a Vauxhall Vectra and I am told that the oil pump is not working. Is the oil pumping an integral part of a reconditioned engine and would a new one or re… read more
Billy
Billy
Bachelor\u0027s degree
38 satisfied customers
1997 Chevy Cavalier: timing chain..tensioner..running fine..it warmed
Have a 1997 Chevy Cavalier, timing chain did not break but tensioner was in pieces. Engine was running fine except little tapping noise after it warmed up. Has never over heated. Yesterday it just sto… read more
Dave Nova
Dave Nova
Auto Dealership Owner
Associate Degree
34 satisfied customers
Hi i have a vauxhall combo 1.3cdti just had the flywheel and
Hi i have a vauxhall combo 1.3cdti just had the flywheel and clutch reaplacied as it smashed up on me. Garage told me that timing had jumped 4 teeth on chain got it back from them starts very poorly a… read more
Jettadan1
Jettadan1
Lead mech
Some college
1,421 satisfied customers
2001 Lincoln LS: with a 3.9 V8..timing chain..flawless..68,000 miles
I have a 2001 Lincoln LS with a 3.9 V8. Trying to start it today the engine spins over like a bad timing chain. The car has run flawless till this time about 68,000 miles on it. Surprised at this mile… read more
Triston
Triston
High School or GED
1,134 satisfied customers
my mazda 626 vibtates a lot when idle. runs great at high speed.
my mazda 626 vibtates a lot when idle. runs great at high speed. I had trouble with overheating for a few times. the vibration started when the mechanic changed the water pump after it overheated. i c… read more
AutoTech08
AutoTech08
Workshop owner
Vocational, Technical or Trade Scho
676 satisfied customers
Passenger side..flow out from intake and suction from exhaust (..crank
6,000 miles it was hit on passenger side. got all the bodywork and associated parts fixed(by a profesional body shop), without starting the engine. when it came to start the engine,it wouldn't start, … read more
Amedee
Amedee
Former ASE Master Tech
Vocational, Technical or Trade Scho
2,562 satisfied customers
very old (1992) vauxhall frontera, and I am losing power..revs..hills
I Have a very old (1992) vauxhall Frontera, and I am losing power, whilst driving. Stationar then it revs lovely, but after a while of driving it almost seems like there is no fuel going through, alth… read more
vauxdoc
vauxdoc
Vocational, Technical or Trade Scho
tiara: vauxhall..1.6i 1995 m reg..crankshaft sensor..starting problems
i have a vauxhall tigra 1.6i 1995 m reg just replaced crankshaft sensor but car still has itermittent starting problems diagnostic test revealed nothing whats next?… read more
Dennis
Dennis
Bachelor's Degree
44 satisfied customers
2000 Concorde: oil pressure..Pulled pan..plastic..ok, compression test
2000 Concorde 2.7, just died driving, loss oil pressure. Pulled pan, plastic was in pickup tube. Motor checks out ok, compression test even on all, low on one , but oil squirt brought it up to spec. I… read more
Ted G.
Ted G.
ASE Certified Technician
Vocational, Technical or Trade Scho
1,754 satisfied customers
A 1999 Vauxhall Vectra 2 litre turbo diesel..car started..fuel filter
I have a 1999 Vauxhall Vectra 2 litre turbo diesel which is refusing to start. Last thursday a diagnostic computer came up with 6 faults codes which my retarded Mechanic didn''t write down [he was jea… read more
Shawn
Shawn
Lead Diagnostics Tech
Vocational, Technical or Trade Scho
430 satisfied customers
97 chevy cavalier, 2.2. car was running fine, turned off.
97 chevy cavalier, 2.2. car was running fine, turned off. Tried to start again 15 minutes later and it wont run but backfires into exhaust and intake. changed crank sensor. now it tries to start, and … read more
Jaxer Smith
Jaxer Smith
Owner
Technical
1,267 satisfied customers
1993 toyota: clutch..RPM..wouldnt start..the spark plugs, or timming
I have 1993 toyota 5 speed, while I was going down hill I pushed in the clutch to come to a stop, I watched the RPM's drop all the way down and the truck died. I rolled it through the the stop and pul… read more
ase_master327
ase_master327
Owner & Student
High School or GED
3,214 satisfied customers
STS: it runs rough at low speeds compression..timing chain..camshaft
I have a 1994 cad. STS it runs rough at low speeds compression of 45 lb in piston #5 and over 150 lb in other pistons as diagnosed by a shop the plug gets dirty and emits smell fo raw fuel most times … read more
Tim Basham
Tim Basham
auto repair, shop foreman, tech trainer
Vocational, Technical or Trade Scho
500 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x