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 Proton PrevĂ© V13, Turbocharged car; Supercharged thread!

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bat76
post Aug 1 2012, 12:19 PM

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Received my elegant brown two weeks ago. 1.6 CVT premium, WXC 3XXX, CN 8***

I started the car using this method: insert FOB -> press start button once -> press start button again and wait until all indicators go off -> press brake pedal -> press start button when green light appears. No problem happened for the first week.

Now the problem comes. Try to press the brake pedal before starting the engine but it is so stiff, almost like locked. Try to press harder, no success cry.gif Take the FOB out, insert it again, re-do the engine start steps, press the brake pedal again, now I press harder, then the green light comes.

Strangely, after the engine starts, pressing the brake pedal is soft and back to normal.

Do you guys face the same problem? I am worried that my brake will fail when the car is moving. rclxub.gif
bat76
post Aug 1 2012, 12:36 PM

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QUOTE(sanadi @ Aug 1 2012, 12:27 PM)
That is normal for almost all cars (boosted brakes). Try it even in a Merc or a Kancil. Engine off, keep pressing and release the pedal, it will get harder and harder to press.
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Thanks for very fast reply thumbup.gif But why during the first week I could easily press the brake (fully pressed down) before starting the engine? Only these few days the brake becomes stiff. This happens when I leave the engine off for overnight. When leaving it off for few hours, the brake pedal is soft when starting the engine.

I never drove Merc or Kancil, so cannot comment on them laugh.gif

bat76
post Aug 1 2012, 01:00 PM

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QUOTE(sanadi @ Aug 1 2012, 12:46 PM)
When you leave your engine off, did you press the brake pedal. The soft pedal is due to vacuum boost. Cars should have enough vacuum for two pedal application (stepping on the pedal) with engine off. If you leave overnight and the pedal is hard in the morning even though the pedal was never touched then you might have a vacuum leak somewhere.

But do not worry yet, check whether this happens everyday. If it no longer happens then some family members may have went inside your car to test a few things. You did say you just received your car, maybe they were curious.
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Thanks bro, your explanation does make sense to me. It could be a vacuum leak. Definitely will ask SC to rectify during my 1000 km service.

My son is 3 years old, never touched the car. I don't know if my neighbor masuk dalam kereta and try-try when I was sleeping laugh.gif
bat76
post Aug 2 2012, 04:44 PM

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QUOTE(sanadi @ Aug 1 2012, 12:46 PM)
When you leave your engine off, did you press the brake pedal. The soft pedal is due to vacuum boost. Cars should have enough vacuum for two pedal application (stepping on the pedal) with engine off. If you leave overnight and the pedal is hard in the morning even though the pedal was never touched then you might have a vacuum leak somewhere.

But do not worry yet, check whether this happens everyday. If it no longer happens then some family members may have went inside your car to test a few things. You did say you just received your car, maybe they were curious.
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Went to my 1000 km service this afternoon. SC said my brake behaves normally, European cars also have similar habit (brake pedal is hard to press when starting the engine in the morning). No vacuum leak, he said. I never drove Merc or BMW, so I don't know whether he was lying or being honest to me.

Driver's side armrest is little bit jerking when the window goes up. No solution for this problem. "Tunggu arahan HQ, setakat ni ada 2 Preve kes macam ni" he said.

Alignment can't be done by SC, no machine. Need to go to COSE. If I go to any car workshop for alignment, will it void my warranty? COSE ramai orang maaa.

ECU remapped. My car feels little bit more responsive now. SC suggested semi-syn (Syntium 800), then change to fully syn after 10,000 km.

SC: Pusat Servis Auto Sinaran (Proton authorized SC), opposite JUSCO Taman Equine. No appointment needed. They charged me RM 124 for new oil, gasket, filter. Labour fee is FOC.

Note: so far I have tried Shell, Caltex, Petronas, Esso for my new baby. Esso is the best (FC is good, speed pick-up also good). Petronas gave good speed pick-up but FC is bad. Shell gave better FC than Petronas. Caltex sucks. Will try BHP next week.
bat76
post Aug 2 2012, 05:03 PM

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QUOTE(sanadi @ Aug 2 2012, 04:55 PM)
Definately NOT normal. I think you need to tell them this happen only overnight. But then again they may ask you to leave your car a few days for them to test.

My home has Accord iVTEC, Honda City, Proton Preve and Kancil. I have even tried my friends E240 Merc (UK Spec though). All still have soft pedal in the morning. BTW how hard is your pedal after overnight? If hard as in "you stand on the pedal and it barely moves", that is hard.

Check this, start you engine, press and release your brake pedal. Turn off you engine. Press and release your brake pedal. You can do this 2 times (press-release, press-release) then your brake is still OK.
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Hmmm, I can't live without my car. Bike to work is not an option.

When I press the brake pedal, it moves little bit, enough to change amber light to green in the start button, after engine started then I can press the pedal completely down with less effort.

SC did what you suggested. Off the engine, press and release the brake pedal 2-3 times, then it becomes hard.

This post has been edited by bat76: Aug 2 2012, 05:05 PM
bat76
post Aug 2 2012, 05:10 PM

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QUOTE(arthur88 @ Aug 2 2012, 04:56 PM)
setakat ade 2 preve kat SC kami ade kes macam nie...
BHP is between ESSO and petronas, i ady tried all commonly found petrol pump...
ESSO>Petronas>Shell>BHP>Caltex (all RON95 only...)
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My experience confirms yours (except I haven't tried BHP). So, can we make an unofficial conclusion that Esso is the best petrol for Preve? I'm not talking about RON97, that needs another survey.

This post has been edited by bat76: Aug 2 2012, 05:11 PM
bat76
post Aug 2 2012, 05:12 PM

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QUOTE(sanadi @ Aug 2 2012, 05:05 PM)
Is the pedal hardness in the morning the same after you pres-release more than 3 times? If softer then no problem.

Edit: I just read your whole post, I think your brake is fine.
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Thanks bro, it is comforting smile.gif Will go to COSE if I have time, just to double confirm.
bat76
post Aug 2 2012, 05:21 PM

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QUOTE(maverickng @ Aug 2 2012, 05:18 PM)
for me ron95

esso>bhp>petronas>caltex>shell

shell 95 sux...
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Tomorrow we will see Preves queuing up at Esso biggrin.gif
bat76
post Aug 2 2012, 05:27 PM

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QUOTE(fulat @ Aug 2 2012, 05:21 PM)
Exxon Mobile now is called petron... still same quality like Exxon last time?
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Petron inked a deal with MAS for A380 fuel supply. Fill your Preve with Petron, it will fly just like A380 biggrin.gif biggrin.gif

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