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350matt
350matt, Mechanical Engineer
Category: Peugeot
Satisfied Customers: 20617
Experience:  BEng Hons, worked in the car industry for last 22 years
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2016 PEUGEOT 208 GT LINE DIESEL 100BH can you please advise

Customer Question

2016 PEUGEOT 208 GT LINE DIESEL 100BH Hi can you please advise on very notchy gear selection on 1st & 2nd plus the engine seems flat in 5th gear Regards ***** *****
Submitted: 10 months ago.
Category: Peugeot
Expert:  350matt replied 10 months ago.
Hellothe first thing to do is bleed the clutch hydraulics and ensure that you replenish the all fluid in the system and get any trapped air outI favour having a clear hose from the nipple to a jar 1/2 full of old fluid and with the nipple closed your assistant pushes the pedal up and down a few times, then holds it down whilst you then crack open the nipple and close it again whilst fluid is still flowing.If this doesn't help then next check the gear linkage for any worn bushes or pivots as any lost motion means reduced effort at the gearbox and replace as necessary. Ideally have your assistant move the gear lever with you watching the linkage and see if you can spot where there is any excessive play or lost motion.If its a cable type linkage check along the cable lengths for any damage or signs of heavy wear / fretting, if you find any replace the cable. There may be some adjustment on the cable tension at the gearbox end (depending on the year) and the cable should be tensioned so there is a minimum of slack but not so its taughtThen check gearbox oil levels and if its not been changed in the last 20K miles then drain it off and fill with fresh. I can strongly recommend the use of Castrol Syntrans 75W90 (was called SMX-S) as I've known it help with shift issues on many manual gearboxes regarding the lack of power I'd 1st check the connections to the EGR valve, if either the vacuum pipe of electrical connection are damaged / corroded then the EGR can be on all time which certainly will hurt performance. Its also possible that its a fault with the EGR valve so its worth removing the valve and cleaning it out with brake cleaner, if it looks particularly clogged then replace it. If this is OK then check the small vacuum lines to the turbo and its connected control solenoid on the bulkhead, any cracks or leaks can give turbo issues and its best to have the boost pressure measured actually measured with a boost gauge to check that the turbo is healthy and that the sensor is reading correctly If its a variable vane turbo (they’ll be an actuator on the turbo body - but not a wastegate) then check its vacuum pipework as above and check the connections to the diaphragm / solenoid valve

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