Tick over

JP53 · 18th September 2009, 19:43

I have just had a full service, head gasket replacement and cambelt change. My tick over seems a bit 'lumpy' and the rev counter shows a slight fluctuation (worse with air con on) is this normal? If not I can take it back to the garage, thanks, John.

Gman2 · 18th September 2009, 21:32

Was the HG replacement as a result of failure? I recall that when I had HGF in January with the ZTT the garage said the car has to "re-learn" settings and needs time to settle after all the work. They ultimately resorted to setting it up on the T4. However that didn't solve the problem of rough tick over with the engine cuttting out briefly from cold. Nothing showed up on the diagnostics and by a process of elimination the garage found the tappets at fault. New tappets and all sorted.

sworks · 19th September 2009, 05:56

Was the head skimmed? If skimmed more than once or a lot has had to be removed in one go, this can result in a slight fluctuation on tickover

JP53 · 19th September 2009, 16:28

Gman2, yes it was HGF

sworks, luckily the head did not need skimming

Phil · 20th September 2009, 12:16

They could have the timing out a tooth.

grivas · 20th September 2009, 14:07

yes I would say check the timing.

18th September 2009, 19:43	#1
JP53 I really should get out more....... 2004 Rover 75 1.8 Connoisseur SE saloon. 'Eliza' Join Date: Nov 2006 Location: Kidderminster Posts: 2,466 Thanks: 0 Thanked 0 Times in 0 Posts	Tick over I have just had a full service, head gasket replacement and cambelt change. My tick over seems a bit 'lumpy' and the rev counter shows a slight fluctuation (worse with air con on) is this normal? If not I can take it back to the garage, thanks, John. __________________ [SIGPIC][/SIGPIC]Rover 75, dignity, quality, charm. "Eliza ... Where the devil are my slippers?"

19th September 2009, 05:56	#3
sworks Been absent for a while… Rover 75 Tourer, Classic mini Cooper S, Abarth 595 competizione, MG TF and a Hyundai Tucson PHEV Join Date: Feb 2007 Location: Cumbria Posts: 13,065 Thanks: 1,033 Thanked 1,686 Times in 1,040 Posts	Was the head skimmed? If skimmed more than once or a lot has had to be removed in one go, this can result in a slight fluctuation on tickover __________________ ................................................. 'Marmite' Possibly one of the most famous 75 tourers produced! left the production line as the last of only Three Rover 75 tourers produced in Trophy Yellow. 48 hours later Longbridge closed. The last sold ordered 75 Tourer. Paid for by the Phoenix Four and handed over by John Towers to the Warwickshire Northampton Air ambulance service as a Rapid Response vehicle

19th September 2009, 16:28	#4
JP53 I really should get out more....... 2004 Rover 75 1.8 Connoisseur SE saloon. 'Eliza' Join Date: Nov 2006 Location: Kidderminster Posts: 2,466 Thanks: 0 Thanked 0 Times in 0 Posts	Gman2, yes it was HGF sworks, luckily the head did not need skimming __________________ [SIGPIC][/SIGPIC]Rover 75, dignity, quality, charm. "Eliza ... Where the devil are my slippers?"

20th September 2009, 12:16	#5
Phil This is my second home Rover 75 CDT Connoisseur SE Join Date: Nov 2006 Location: Wales Posts: 12,227 Thanks: 469 Thanked 523 Times in 241 Posts	They could have the timing out a tooth. __________________

18th September 2009, 21:32	#2
Gman2 Posted a thing or two ZTT+ 1.8T, mgf 1.8 Join Date: Sep 2007 Location: Warrington Posts: 1,550 Thanks: 28 Thanked 65 Times in 42 Posts	Was the HG replacement as a result of failure? I recall that when I had HGF in January with the ZTT the garage said the car has to "re-learn" settings and needs time to settle after all the work. They ultimately resorted to setting it up on the T4. However that didn't solve the problem of rough tick over with the engine cuttting out briefly from cold. Nothing showed up on the diagnostics and by a process of elimination the garage found the tappets at fault. New tappets and all sorted.

20th September 2009, 14:07	#6
grivas I really should get out more....... Rover 75 CDT Club Tourer Join Date: Nov 2006 Location: Milky Way Posts: 2,380 Thanks: 105 Thanked 513 Times in 382 Posts	yes I would say check the timing.