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My renault 1.6 TReg megane starts perfectly , i travel about 1 mile up the road and as i come towards red traffic lights i slow and come to a stop revs wavers up & down between 700 to 500 and twice cut out

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  • 51 Answers

I would hazard 2 guesses 1, there is an earth lead that bolts near the dip stick that may need cleaning and refitting 2, the crankcase sensor possibly starting to play up it could show up on diagnostics.
There is a third slight possibility that one of your coil packs could be breaking down so that it is not running perfect until warmed up just look to see if they are all the same sometimes patern parts are not 100%.

Posted on Dec 02, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 30 Answers

SOURCE: CLUNK IN REAR

There's a few more things to check out:
1. The track bar links, which attach from frame to the sway bar. Inspect the bolts/nuts to ensure they are really tight and the rubber isn't worn to the point of slack.
2. The bushings where the upper control arm attach to the frame. Inspect these for torn rubber/missing bolts. (These 2 bushings are on the fore end of the wishbone where you changed the upper ball joint.)
3. The bushings in the other, straight control arms that restrain the differential.
4. The shock absorber bolts/rubbers at frame and axle.
5. The u-joints on drive shaft.
6. The differential input pinion bearings. Raise vehicle and really yank/pry/push around the drive shaft and look for any slack.
7. The drive shaft at transmission. Check for any play over 0.020", side to side, up and down.
8. The transmission rubber mount.
9. The axle bearings. To check these, lift under axle, each wheel, and yank wheel fore/aft, up/down, and maybe use a pry bar. You're looking for axle bearing wear where the axle is supported at the outer ends of the axle tubes, just behind the brake mountings.
10. While the vehicle is raised (wheels off ground), chock the front wheels, and put transmission in neutral. Now check for significant slack when you manually rotate the wheels by hand, back and forth. If slack here (say, 10-15 degrees of fore/aft rotation on a wheel), then the spider gears are probably worn at the cross shaft in the differential carrier. Depending on the amount of slack, you can change the spider gears, side gears, cross shaft, and the associated thrust washers yourself, if you're a capable mechanic. This requires opening the differential cover, removing the rear axles (at least far enough to get the axles out from the side gears), remove the cross pin retainer bolt, manipulate the cross shaft out, manipulate the spider gears with their thrust washers, out, manipulate the side gears, with their thrust washers, out, then replace the above, with a 'gear kit', which includes the side gears, new thrust washer, spider gears, with new thrust washers, cross pin, and cross pin retainer. A 'gear kit' is around $85 for the Dana 44, 30-spline axle kit. While those parts are out, pry the carrier in each direction inspecting for slack in the carrier bearings and check the pinion/ring gear slack at that time. If you find a bad carrier bearing or pinion bearing, then you should probably find a mechanic to replace those, unless you're a 'very capable' mechanic. After reassembling the gear kit (side gears with their respective thrust washers, spider gears, with their respective thrust washers), cross pin, and retainer bolt, clean the sealing mating surface of both the axle housing and cover, remove the fill plug from the cover, apply RTV sealer to the cover (1/4" bead), attach the cover with bolts, replacing the tags in their original locations, refill differential with either 85w oil or 70W140 synthetic, as desired, approx 2.3 liters, replace plug, and check for leaks. Note: when removing the differential cover, remove all but 2 mid-side bolts, and make them loose. Then tap the very bottom of the lid towards the rear to loosen the cover, have drain pan under the differential to catch the oil. Then remove the 2 remaining bolts and cover. The lid projects below the housing about 1/16" and that is the part of the lid you want to bump on to loosen the cover.
11. Rear disc brake caliper mounting brackets.
12. The sway bar rubber mountings on the axle.

.. and that pretty much covers everything that can make noise on/in the rear end.

13. If a tow hitch is attached, check that for proper attachment.
14.Fuel tank loose, or fuel pump inside tank loose.
15. Spare tire loose, or junk in the spare tire carrier hole.
16. Loose junk in the right rear side compartment (this is actually a CD changer compartment, but if no CD changer is installed, then people put all kinds of junk in there)
17. Rear lift door. Open it a bit and check for side to side play. I've heard of terrible noise on my rear lift gate, and it was the rubber wind seal making a bunch of noise. I wiped it with a rag I sprayed silicone oil onto and quieted that down.

Posted on Aug 18, 2008

  • 2920 Answers

SOURCE: Car is struggling to start

you may have an alternator thats getting weak

Posted on Sep 02, 2008

alicantecoli
  • 22095 Answers

SOURCE: renault megan scenic dti diognostic fault codes

whats else do you expect ,snap on code reader your having a laugh .YOU HONESTLY EXPECT TO READ A RENAULT ???????????????WITH ENCRYPTED SOFTWARE .sounds like an ECU problem but it could be something simple on the fuel injection system but without hearing the noise to know if its air in pump or an electrical buzz .check fuel IN line for ingression of air first ,also check for return in case its blocked causing the pressure to build up to high .call a scrapyard then report vehicle stolen and make a claim .this is a renault remember its designed to be dealer only repairs not weekend mechanics

Posted on Nov 23, 2008

  • 2 Answers

SOURCE: renault megane dynaique 2003 cutting out and wont start

the carb needs cleaning, thats what it was on mine, i thought it was spark plugs but took it back to main dealer and they fixed it but cost £££

Posted on Jan 24, 2009

  • 1 Answer

SOURCE: renault traffic 03 1.9dci low power until turbo

my trafic did the same.no power pulling away until the turbo kicked in and it turned out to be the airflow meter.Hope this helps as it cured mine.Plus non of them rev past 3800 revs its normal.

Posted on May 26, 2009

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